[jboss-jira] [JBoss JIRA] (WFLY-6087) AbstractCacheTransaction is prone to race conditions, NPE in containsLockOrBackupLock(Object)

Radoslav Husar (JIRA) issues at jboss.org
Thu Jan 28 11:33:00 EST 2016 

     [ https://issues.jboss.org/browse/WFLY-6087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar updated WFLY-6087:
---------------------------------
    Description: 
{code:title=perf18}
[JBossINF] [0m[31m08:23:31,049 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (default task-70) ISPN000136: Execution error: java.lang.NullPointerException
[JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
[JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
[JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
[JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
[JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
[JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
[JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
[JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
[JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
[JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
[JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
[JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
[JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
[JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[JBossINF] 	at java.lang.Thread.run(Thread.java:745)
{code}

Another NPE followed right after:
{code}
[JBossINF] [0m[31m08:23:31,050 ERROR [io.undertow.request] (default task-70) UT005023: Exception handling request to /clusterbench/ejbservlet: java.lang.NullPointerException
[JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
[JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
[JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
[JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
[JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
[JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
[JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
[JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
[JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
[JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
[JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
[JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
[JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
[JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[JBossINF] 	at java.lang.Thread.run(Thread.java:745)
{code}


  was:
Seen in failover-ejb-ejbservlet-jvmkill-dist-sync scenario.

6 seconds after failing perf20 (jvmkill), perf18 logged ISPN000136: Execution error: java.lang.NullPointerException.

Timeline:
{code:title=client}
2015/11/27 08:23:25:206 EST [INFO ][TestController] HOST perf17.mw.lab.eng.bos.redhat.com:rootProcess:c - Node 2 (perf20) is down.
{code}
{code:title=perf18}
[JBossINF] [0m[31m08:23:31,049 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (default task-70) ISPN000136: Execution error: java.lang.NullPointerException
[JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
[JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
[JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
[JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
[JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
[JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
[JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
[JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
[JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
[JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
[JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
[JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
[JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
[JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[JBossINF] 	at java.lang.Thread.run(Thread.java:745)
{code}

Another NPE followed right after:
{code}
[JBossINF] [0m[31m08:23:31,050 ERROR [io.undertow.request] (default task-70) UT005023: Exception handling request to /clusterbench/ejbservlet: java.lang.NullPointerException
[JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
[JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
[JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
[JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
[JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
[JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
[JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
[JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
[JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
[JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
[JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
[JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
[JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
[JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
[JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
[JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
[JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
[JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
[JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
[JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
[JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
[JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
[JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
[JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
[JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
[JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[JBossINF] 	at java.lang.Thread.run(Thread.java:745)
{code}

Link:
http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-failover-ejb-ejbservlet-jvmkill-dist-sync/16/console-perf18/

This issue may be related:
https://issues.jboss.org/browse/WFLY-5208




> AbstractCacheTransaction is prone to race conditions, NPE in containsLockOrBackupLock(Object)
> ---------------------------------------------------------------------------------------------
>
>                 Key: WFLY-6087
>                 URL: https://issues.jboss.org/browse/WFLY-6087
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 10.0.0.CR4
>            Reporter: Radoslav Husar
>            Assignee: Radoslav Husar
>
> {code:title=perf18}
> [JBossINF] [0m[31m08:23:31,049 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (default task-70) ISPN000136: Execution error: java.lang.NullPointerException
> [JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
> [JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
> [JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
> [JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
> [JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
> [JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
> [JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
> [JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
> [JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
> [JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
> [JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
> [JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
> [JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
> [JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
> [JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
> [JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
> [JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
> [JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
> [JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [JBossINF] 	at java.lang.Thread.run(Thread.java:745)
> {code}
> Another NPE followed right after:
> {code}
> [JBossINF] [0m[31m08:23:31,050 ERROR [io.undertow.request] (default task-70) UT005023: Exception handling request to /clusterbench/ejbservlet: java.lang.NullPointerException
> [JBossINF] 	at org.infinispan.transaction.impl.AbstractCacheTransaction.containsLockOrBackupLock(AbstractCacheTransaction.java:254)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.lambda$getTransactionWithLockedKey$177(DefaultPendingLockManager.java:252)
> [JBossINF] 	at org.infinispan.commons.util.concurrent.jdk8backported.EquivalentConcurrentHashMapV8$ValuesView.forEach(EquivalentConcurrentHashMapV8.java:4604)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.forEachTransaction(DefaultPendingLockManager.java:284)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.getTransactionWithLockedKey(DefaultPendingLockManager.java:249)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.checkForPendingLock(DefaultPendingLockManager.java:187)
> [JBossINF] 	at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForKey(DefaultPendingLockManager.java:115)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockKey(AbstractTxLockingInterceptor.java:190)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockOrRegisterBackupLock(AbstractTxLockingInterceptor.java:115)
> [JBossINF] 	at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitDataReadCommand(PessimisticLockingInterceptor.java:69)
> [JBossINF] 	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitGetKeyValueCommand(AbstractLockingInterceptor.java:76)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:345)
> [JBossINF] 	at org.infinispan.interceptors.TxInterceptor.visitGetKeyValueCommand(TxInterceptor.java:330)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:403)
> [JBossINF] 	at org.infinispan.statetransfer.StateTransferInterceptor.handleDefault(StateTransferInterceptor.java:388)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:102)
> [JBossINF] 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:71)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)
> [JBossINF] 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:113)
> [JBossINF] 	at org.infinispan.commands.AbstractVisitor.visitGetKeyValueCommand(AbstractVisitor.java:85)
> [JBossINF] 	at org.infinispan.commands.read.GetKeyValueCommand.acceptVisitor(GetKeyValueCommand.java:40)
> [JBossINF] 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:336)
> [JBossINF] 	at org.infinispan.cache.impl.CacheImpl.get(CacheImpl.java:412)
> [JBossINF] 	at org.infinispan.cache.impl.DecoratedCache.get(DecoratedCache.java:437)
> [JBossINF] 	at org.infinispan.cache.impl.AbstractDelegatingCache.get(AbstractDelegatingCache.java:286)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.getValue(InfinispanSessionMetaDataFactory.java:70)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:60)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.findValue(InfinispanSessionMetaDataFactory.java:36)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:61)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.findValue(InfinispanSessionFactory.java:40)
> [JBossINF] 	at org.wildfly.clustering.web.infinispan.session.InfinispanSessionManager.findSession(InfinispanSessionManager.java:234)
> [JBossINF] 	at org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:140)
> [JBossINF] 	at io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:725)
> [JBossINF] 	at io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:370)
> [JBossINF] 	at org.jboss.weld.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
> [JBossINF] 	at org.jboss.weld.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:231)
> [JBossINF] 	at org.jboss.weld.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:152)
> [JBossINF] 	at io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:245)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:283)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
> [JBossINF] 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
> [JBossINF] 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
> [JBossINF] 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
> [JBossINF] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [JBossINF] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [JBossINF] 	at java.lang.Thread.run(Thread.java:745)
> {code}



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