[JBoss JIRA] (JGRP-1813) JDBC_PING fails to recover for corruption issue
by Bela Ban (JIRA)
[ https://issues.jboss.org/browse/JGRP-1813?page=com.atlassian.jira.plugin.... ]
Bela Ban updated JGRP-1813:
---------------------------
Summary: JDBC_PING fails to recover for corruption issue (was: JDBC_PING failes to recover for corruption issue)
> JDBC_PING fails to recover for corruption issue
> -----------------------------------------------
>
> Key: JGRP-1813
> URL: https://issues.jboss.org/browse/JGRP-1813
> Project: JGroups
> Issue Type: Feature Request
> Affects Versions: 3.4
> Environment: Windows 7
> Reporter: Brett Donahue
> Assignee: Bela Ban
> Priority: Minor
> Labels: EOFException, JDBC_PING,, corruption
> Fix For: 3.5
>
>
> heap space was exhausted and issues occurred. In the end, one node in the cluster must have corrupted the data in the JDBC_PING table. From this point onward, our log is full of these (every two seconds):
> 2014 03 23 04:00:25#+0100#ERROR#org.jgroups.protocols.SMP_JDBC_PING##anonymous#Thread-15###Error java.io.EOFException: null
> at java.io.DataInputStream.readUnsignedShort(DataInputStream.java:340)
> at org.jgroups.stack.IpAddress.readFrom(IpAddress.java:226)
> at org.jgroups.util.Util.readAddress(Util.java:929)
> at org.jgroups.util.Util.readAddresses(Util.java:1047)
> at org.jgroups.protocols.PingData.readFrom(PingData.java:163)
> at org.jgroups.util.Util.streamableFromByteBuffer(Util.java:753)
> at org.jgroups.protocols.Discovery.deserialize(Discovery.java:625)
> at org.jgroups.protocols.JDBC_PING.readAll(JDBC_PING.java:221)
> at org.jgroups.protocols.JDBC_PING.readAll(JDBC_PING.java:201)
> at org.jgroups.protocols.FILE_PING.fetchClusterMembers(FILE_PING.java:68)
> at org.jgroups.protocols.Discovery.sendDiscoveryRequest(Discovery.java:263)
> at org.jgroups.protocols.Discovery.findMembers(Discovery.java:227)
> at org.jgroups.protocols.Discovery.findInitialMembers(Discovery.java:208)
> at org.jgroups.protocols.Discovery.down(Discovery.java:551)
> at org.jgroups.protocols.FILE_PING.down(FILE_PING.java:101)
> at org.jgroups.protocols.MERGE2.down(MERGE2.java:185)
> at org.jgroups.protocols.FD_SOCK.down(FD_SOCK.java:363)
> at org.jgroups.protocols.FD.down(FD.java:307)
> at org.jgroups.protocols.VERIFY_SUSPECT.down(VERIFY_SUSPECT.java:84)
> at org.jgroups.protocols.BARRIER.down(BARRIER.java:95)
> at org.jgroups.protocols.pbcast.NAKACK2.down(NAKACK2.java:533)
> at org.jgroups.protocols.UNICAST3.down(UNICAST3.java:575)
> at org.jgroups.protocols.pbcast.STABLE.down(STABLE.java:347)
> at org.jgroups.protocols.ENCRYPT.down(ENCRYPT.java:925)
> at org.jgroups.protocols.pbcast.ClientGmsImpl.findInitialMembers(ClientGmsImpl.java:201)
> at org.jgroups.protocols.pbcast.ClientGmsImpl.joinInternal(ClientGmsImpl.java:75)
> at org.jgroups.protocols.pbcast.ClientGmsImpl.join(ClientGmsImpl.java:40)
> at org.jgroups.protocols.pbcast.GMS.down(GMS.java:1052)
> at org.jgroups.protocols.FlowControl.down(FlowControl.java:340)
> at org.jgroups.protocols.FRAG2.down(FRAG2.java:136)
> at org.jgroups.protocols.pbcast.STATE_TRANSFER.down(STATE_TRANSFER.java:237)
> at org.jgroups.stack.ProtocolStack.down(ProtocolStack.java:1024)
> at org.jgroups.JChannel.down(JChannel.java:760)
> at org.jgroups.JChannel._connect(JChannel.java:538)
> at org.jgroups.JChannel.connect(JChannel.java:290)
> at org.jgroups.JChannel.connect(JChannel.java:275)
> at com.sap.mobile.platform.server.cluster.service.impl.ClusterCommunicationsJGroupImpl.startCommunications(ClusterCommunicationsJGroupImpl.java:45)
> at com.sap.mobile.platform.server.cluster.service.impl.ClusterCommunicationsJGroupImpl.<init>(ClusterCommunicationsJGroupImpl.java:59)
> at com.sap.mobile.platform.server.cluster.service.impl.ClusterServiceImpl.run(ClusterServiceImpl.java:187)
> at java.lang.Thread.run(Thread.java:791)
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10 years, 1 month
[JBoss JIRA] (DROOLS-458) Drools lock in StatelessKnowledgeSessionImpl.
by Desmond Silveira (JIRA)
[ https://issues.jboss.org/browse/DROOLS-458?page=com.atlassian.jira.plugin... ]
Desmond Silveira reopened DROOLS-458:
-------------------------------------
> Drools lock in StatelessKnowledgeSessionImpl.
> ---------------------------------------------
>
> Key: DROOLS-458
> URL: https://issues.jboss.org/browse/DROOLS-458
> Project: Drools
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 6.0.1.Final
> Environment: Tomcat 7
> Reporter: Desmond Silveira
> Assignee: Mario Fusco
> Attachments: la3ldspg05b.txt
>
>
> My Tomcat HTTP BIO connector threads (129 of them) got BLOCKED in my production Tomcat 7 instance because Drool 6.0.1 wasn't releasing a lock.
> Here is a snippet of the thread dump:
> {noformat}
> "http-bio-172.16.216.19-80-exec-37513" - Thread t@6245360
> java.lang.Thread.State: BLOCKED
> at org.drools.core.runtime.process.ProcessRuntimeFactory.getProcessRuntimeFactoryService(ProcessRuntimeFactory.java:20)
> - waiting to lock <219dcd77> (a java.lang.Class) owned by "http-bio-172.16.216.19-80-exec-37511" t@6245358
> at org.drools.core.runtime.process.ProcessRuntimeFactory.newProcessRuntime(ProcessRuntimeFactory.java:12)
> at org.drools.core.common.AbstractWorkingMemory.createProcessRuntime(AbstractWorkingMemory.java:405)
> at org.drools.core.common.AbstractWorkingMemory.setKnowledgeRuntime(AbstractWorkingMemory.java:1770)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:125)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:139)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <3575a054> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <719df963> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37511" - Thread t@6245358
> java.lang.Thread.State: RUNNABLE
> at org.kie.internal.utils.ServiceRegistryImpl.addDefault(ServiceRegistryImpl.java:212)
> - locked <3d710637> (a org.kie.internal.utils.ServiceRegistryImpl)
> at org.kie.internal.utils.ServiceRegistryImpl.addDefault(ServiceRegistryImpl.java:207)
> - locked <3d710637> (a org.kie.internal.utils.ServiceRegistryImpl)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.loadProvider(ProcessRuntimeFactory.java:27)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.getProcessRuntimeFactoryService(ProcessRuntimeFactory.java:21)
> - locked <219dcd77> (a java.lang.Class)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.newProcessRuntime(ProcessRuntimeFactory.java:12)
> at org.drools.core.common.AbstractWorkingMemory.createProcessRuntime(AbstractWorkingMemory.java:405)
> at org.drools.core.common.AbstractWorkingMemory.setKnowledgeRuntime(AbstractWorkingMemory.java:1770)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:125)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:139)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <474f2464> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <339f344e> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37447" - Thread t@6233953
> java.lang.Thread.State: BLOCKED
> at org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoader.java:82)
> - waiting to lock <555896b3> (a org.drools.core.common.ProjectClassLoader) owned by "http-bio-172.16.216.19-80-exec-37519" t@6245366
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at org.drools.core.base.ClassFieldAccessorCache.getClass(ClassFieldAccessorCache.java:122)
> at org.drools.core.base.ClassFieldAccessorCache.getClassObjectType(ClassFieldAccessorCache.java:46)
> at org.drools.core.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:89)
> at org.drools.core.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:71)
> at org.drools.core.common.AbstractWorkingMemory.initInitialFact(AbstractWorkingMemory.java:385)
> at org.drools.core.common.AbstractWorkingMemory.<init>(AbstractWorkingMemory.java:378)
> at org.drools.core.common.AbstractWorkingMemory.<init>(AbstractWorkingMemory.java:261)
> at org.drools.core.common.PhreakWorkingMemoryFactory.createWorkingMemory(PhreakWorkingMemoryFactory.java:15)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:134)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <57e6b780> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <726294fc> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37519" - Thread t@6245366
> java.lang.Thread.State: RUNNABLE
> at java.lang.ClassLoader.findLoadedClass0(Native Method)
> at java.lang.ClassLoader.findLoadedClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> - locked <555896b3> (a org.drools.core.common.ProjectClassLoader)
> at org.drools.core.common.ProjectClassLoader.internalLoadClass(ProjectClassLoader.java:99)
> at org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoader.java:82)
> - locked <555896b3> (a org.drools.core.common.ProjectClassLoader)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at org.drools.core.base.ClassFieldAccessorCache.getClass(ClassFieldAccessorCache.java:122)
> at org.drools.core.base.ClassFieldAccessorCache.getClassObjectType(ClassFieldAccessorCache.java:46)
> at org.drools.core.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:89)
> at org.drools.core.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:71)
> at org.drools.core.common.NamedEntryPoint.insert(NamedEntryPoint.java:164)
> at org.drools.core.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1148)
> at org.drools.core.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1092)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:308)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:400)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <43c2901> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <88f8fa9> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> {noformat}
> Here is the code that I use to call Drools:
> {code:java}
> public static Collection<ResultSet> applyRule(String rule,
> KieBase kb, Collection<ResultSet> resultSets, SearchParameters params) {
> try {
> if (kb == null) {
> return resultSets;
> }
> StatelessKieSession ksession = kb.newStatelessKieSession();
> ksession.setGlobal(OUTPUT, new ArrayList<>());
> Collection<Object> collection = new ArrayList<Object>(resultSets);
> collection.add(params);
> ksession.execute(collection);
> return (Collection<ResultSet>) ksession.getGlobals().get(OUTPUT);
> } catch (ConsequenceException e) {
> LOG.error("Error in rule: " + rule + " " + e.getRule(), e);
> throw e;
> } catch (RuntimeException e) {
> LOG.error("Error in rule: " + rule, e);
> throw e;
> }
> }
> {code}
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10 years, 1 month
[JBoss JIRA] (DROOLS-458) Drools lock in StatelessKnowledgeSessionImpl.
by Desmond Silveira (JIRA)
[ https://issues.jboss.org/browse/DROOLS-458?page=com.atlassian.jira.plugin... ]
Desmond Silveira updated DROOLS-458:
------------------------------------
Attachment: la3ldspg05b.txt
I have attached the full thread dump.
There are 129 blocked threads.
72 are blocked by lock <219dcd77> which is owned by thread http-bio-172.16.216.19-80-exec-37511.
57 are blocked by lock <555896b3> which is owned by thread http-bio-172.16.216.19-80-exec-37519.
Both of those threads are in a runnable state executing drools code.
In my other Tomcat instances that execute the same code, none of my threads are blocked. I recently upgraded to Drools 6.0.1 from Drools 5.0. Other than this library upgrade (and corresponding changes to library calls) and marked increase in traffic, I haven't had any other changes to my system recently, but my threads have been deadlocking over the past couple of weeks.
> Drools lock in StatelessKnowledgeSessionImpl.
> ---------------------------------------------
>
> Key: DROOLS-458
> URL: https://issues.jboss.org/browse/DROOLS-458
> Project: Drools
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 6.0.1.Final
> Environment: Tomcat 7
> Reporter: Desmond Silveira
> Assignee: Mario Fusco
> Attachments: la3ldspg05b.txt
>
>
> My Tomcat HTTP BIO connector threads (129 of them) got BLOCKED in my production Tomcat 7 instance because Drool 6.0.1 wasn't releasing a lock.
> Here is a snippet of the thread dump:
> {noformat}
> "http-bio-172.16.216.19-80-exec-37513" - Thread t@6245360
> java.lang.Thread.State: BLOCKED
> at org.drools.core.runtime.process.ProcessRuntimeFactory.getProcessRuntimeFactoryService(ProcessRuntimeFactory.java:20)
> - waiting to lock <219dcd77> (a java.lang.Class) owned by "http-bio-172.16.216.19-80-exec-37511" t@6245358
> at org.drools.core.runtime.process.ProcessRuntimeFactory.newProcessRuntime(ProcessRuntimeFactory.java:12)
> at org.drools.core.common.AbstractWorkingMemory.createProcessRuntime(AbstractWorkingMemory.java:405)
> at org.drools.core.common.AbstractWorkingMemory.setKnowledgeRuntime(AbstractWorkingMemory.java:1770)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:125)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:139)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <3575a054> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <719df963> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37511" - Thread t@6245358
> java.lang.Thread.State: RUNNABLE
> at org.kie.internal.utils.ServiceRegistryImpl.addDefault(ServiceRegistryImpl.java:212)
> - locked <3d710637> (a org.kie.internal.utils.ServiceRegistryImpl)
> at org.kie.internal.utils.ServiceRegistryImpl.addDefault(ServiceRegistryImpl.java:207)
> - locked <3d710637> (a org.kie.internal.utils.ServiceRegistryImpl)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.loadProvider(ProcessRuntimeFactory.java:27)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.getProcessRuntimeFactoryService(ProcessRuntimeFactory.java:21)
> - locked <219dcd77> (a java.lang.Class)
> at org.drools.core.runtime.process.ProcessRuntimeFactory.newProcessRuntime(ProcessRuntimeFactory.java:12)
> at org.drools.core.common.AbstractWorkingMemory.createProcessRuntime(AbstractWorkingMemory.java:405)
> at org.drools.core.common.AbstractWorkingMemory.setKnowledgeRuntime(AbstractWorkingMemory.java:1770)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:125)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:139)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <474f2464> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <339f344e> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37447" - Thread t@6233953
> java.lang.Thread.State: BLOCKED
> at org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoader.java:82)
> - waiting to lock <555896b3> (a org.drools.core.common.ProjectClassLoader) owned by "http-bio-172.16.216.19-80-exec-37519" t@6245366
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at org.drools.core.base.ClassFieldAccessorCache.getClass(ClassFieldAccessorCache.java:122)
> at org.drools.core.base.ClassFieldAccessorCache.getClassObjectType(ClassFieldAccessorCache.java:46)
> at org.drools.core.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:89)
> at org.drools.core.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:71)
> at org.drools.core.common.AbstractWorkingMemory.initInitialFact(AbstractWorkingMemory.java:385)
> at org.drools.core.common.AbstractWorkingMemory.<init>(AbstractWorkingMemory.java:378)
> at org.drools.core.common.AbstractWorkingMemory.<init>(AbstractWorkingMemory.java:261)
> at org.drools.core.common.PhreakWorkingMemoryFactory.createWorkingMemory(PhreakWorkingMemoryFactory.java:15)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.newWorkingMemory(StatelessKnowledgeSessionImpl.java:134)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:397)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <57e6b780> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <726294fc> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "http-bio-172.16.216.19-80-exec-37519" - Thread t@6245366
> java.lang.Thread.State: RUNNABLE
> at java.lang.ClassLoader.findLoadedClass0(Native Method)
> at java.lang.ClassLoader.findLoadedClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> - locked <555896b3> (a org.drools.core.common.ProjectClassLoader)
> at org.drools.core.common.ProjectClassLoader.internalLoadClass(ProjectClassLoader.java:99)
> at org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoader.java:82)
> - locked <555896b3> (a org.drools.core.common.ProjectClassLoader)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at org.drools.core.base.ClassFieldAccessorCache.getClass(ClassFieldAccessorCache.java:122)
> at org.drools.core.base.ClassFieldAccessorCache.getClassObjectType(ClassFieldAccessorCache.java:46)
> at org.drools.core.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:89)
> at org.drools.core.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:71)
> at org.drools.core.common.NamedEntryPoint.insert(NamedEntryPoint.java:164)
> at org.drools.core.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1148)
> at org.drools.core.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1092)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:308)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:400)
> at com.local.lds.RuleEngineBean.applyKnowledge(RuleEngineBean.java:50)
> at com.local.lds.LdsBean.search(LdsBean.java:200)
> at com.local.lds.servlet.SearchServlet.doGet(SearchServlet.java:55)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> - locked <43c2901> (a org.apache.tomcat.util.net.SocketWrapper)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Locked ownable synchronizers:
> - locked <88f8fa9> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> {noformat}
> Here is the code that I use to call Drools:
> {code:java}
> public static Collection<ResultSet> applyRule(String rule,
> KieBase kb, Collection<ResultSet> resultSets, SearchParameters params) {
> try {
> if (kb == null) {
> return resultSets;
> }
> StatelessKieSession ksession = kb.newStatelessKieSession();
> ksession.setGlobal(OUTPUT, new ArrayList<>());
> Collection<Object> collection = new ArrayList<Object>(resultSets);
> collection.add(params);
> ksession.execute(collection);
> return (Collection<ResultSet>) ksession.getGlobals().get(OUTPUT);
> } catch (ConsequenceException e) {
> LOG.error("Error in rule: " + rule + " " + e.getRule(), e);
> throw e;
> } catch (RuntimeException e) {
> LOG.error("Error in rule: " + rule, e);
> throw e;
> }
> }
> {code}
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10 years, 1 month
[JBoss JIRA] (JGRP-1816) Message: add flag DONT_LOOPBACK
by Bela Ban (JIRA)
[ https://issues.jboss.org/browse/JGRP-1816?page=com.atlassian.jira.plugin.... ]
Bela Ban resolved JGRP-1816.
----------------------------
Resolution: Done
> Message: add flag DONT_LOOPBACK
> -------------------------------
>
> Key: JGRP-1816
> URL: https://issues.jboss.org/browse/JGRP-1816
> Project: JGroups
> Issue Type: Feature Request
> Reporter: Bela Ban
> Assignee: Bela Ban
> Fix For: 3.5
>
>
> When flag {{DONT_LOOPBACK}}, then multicast messages ({{dest}} == null) are not looped back up the stack. This can be useful in some cases, e.g. discovery:
> * A multicasts a discovery request
> * A gets the discovery request and adds information shipped with it (A's logical-physical address mapping and logical name) to its local cache(s)
> * A sends a discovery response to itself
> * A gets the discovery response and adds its information *again*
> --> Because the information was already present, it doesn't need to be added, *but was added 2 more times* !
> --> This unneeded processing costs threads from the pool, processing power, locks etc
> SOLUTION:
> * When sending a multicast message we loop it back up and then multicast it. When received by the sender, we drop it.
> * We now don't even loop back the message if DONT_LOOPBACK is set
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10 years, 1 month
[JBoss JIRA] (JGRP-1816) Message: add flag DONT_LOOPBACK
by Bela Ban (JIRA)
[ https://issues.jboss.org/browse/JGRP-1816?page=com.atlassian.jira.plugin.... ]
Bela Ban commented on JGRP-1816:
--------------------------------
This is an alternative to {{JChannel.setDiscardOwnMessages()}}:
* The {{DONT_LOOPBACK}} flag can be set *per message*, so it's much more flexible
* The dropping of the message happens at the transport level, not at the JGroups level, so we cut down on unneeded processing
> Message: add flag DONT_LOOPBACK
> -------------------------------
>
> Key: JGRP-1816
> URL: https://issues.jboss.org/browse/JGRP-1816
> Project: JGroups
> Issue Type: Feature Request
> Reporter: Bela Ban
> Assignee: Bela Ban
> Fix For: 3.5
>
>
> When flag {{DONT_LOOPBACK}}, then multicast messages ({{dest}} == null) are not looped back up the stack. This can be useful in some cases, e.g. discovery:
> * A multicasts a discovery request
> * A gets the discovery request and adds information shipped with it (A's logical-physical address mapping and logical name) to its local cache(s)
> * A sends a discovery response to itself
> * A gets the discovery response and adds its information *again*
> --> Because the information was already present, it doesn't need to be added, *but was added 2 more times* !
> --> This unneeded processing costs threads from the pool, processing power, locks etc
> SOLUTION:
> * When sending a multicast message we loop it back up and then multicast it. When received by the sender, we drop it.
> * We now don't even loop back the message if DONT_LOOPBACK is set
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[JBoss JIRA] (WFLY-3183) getHeader() on EL Expression
by Tomaz Cerar (JIRA)
[ https://issues.jboss.org/browse/WFLY-3183?page=com.atlassian.jira.plugin.... ]
Tomaz Cerar moved UNDERTOW-210 to WFLY-3183:
--------------------------------------------
Project: WildFly (was: Undertow)
Key: WFLY-3183 (was: UNDERTOW-210)
Affects Version/s: 8.0.0.Final
(was: 1.0.0.Final)
Component/s: Web (Undertow)
(was: Servlet)
Security: Public
> getHeader() on EL Expression
> ----------------------------
>
> Key: WFLY-3183
> URL: https://issues.jboss.org/browse/WFLY-3183
> Project: WildFly
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: Web (Undertow)
> Affects Versions: 8.0.0.Final
> Environment: ubuntu 13.10, Wildfly 8.0.0.Final managed from Eclipse kepler (added management-native to standalone.xml)
> Reporter: Ghet Ghetolay
> Assignee: Tomaz Cerar
> Priority: Minor
> Labels: el-expresion, servlet
> Attachments: standalone.xml
>
>
> When using an EL Expression that involve getHeader() exception is thrown :
> {noformat}
> 13:05:35,866 SEVERE [javax.enterprise.resource.webcontainer.jsf.application] (default task-1) Error Rendering View[/index.xhtml]: javax.el.ELException: /index.xhtml @9,63 value="#{request.getHeader('user-agent')}": java.lang.IllegalArgumentException: Cannot convert user-agent of type class java.lang.String to class io.undertow.util.HttpString
> at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:114) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at javax.faces.component.UIOutput.getValue(UIOutput.java:174) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:355) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:919) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1863) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:461) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219) [jsf-impl-2.2.5-jbossorg-3.jar:]
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:647) [jboss-jsf-api_2.2_spec-2.2.5.jar:2.2.5]
> at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:113) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:52) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:61) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:240) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:227) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:73) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:146) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.server.Connectors.executeRootHandler(Connectors.java:168) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:687) [undertow-core-1.0.0.Final.jar:1.0.0.Final]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
> at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
> Caused by: javax.el.ELException: java.lang.IllegalArgumentException: Cannot convert user-agent of type class java.lang.String to class io.undertow.util.HttpString
> at com.sun.el.ExpressionFactoryImpl.coerceToType(ExpressionFactoryImpl.java:79) [javax.el-3.0.0.jar:3.0.0]
> at javax.el.ELContext.convertToType(ELContext.java:473) [javax.el-3.0.0.jar:3.0.0]
> at com.sun.el.lang.EvaluationContext.convertToType(EvaluationContext.java:166) [javax.el-3.0.0.jar:3.0.0]
> at javax.el.ELUtil.invokeMethod(ELUtil.java:320) [javax.el-3.0.0.jar:3.0.0]
> at javax.el.BeanELResolver.invoke(BeanELResolver.java:536) [javax.el-3.0.0.jar:3.0.0]
> at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256) [javax.el-3.0.0.jar:3.0.0]
> at com.sun.el.parser.AstValue.getValue(AstValue.java:136) [javax.el-3.0.0.jar:3.0.0]
> at com.sun.el.parser.AstValue.getValue(AstValue.java:204) [javax.el-3.0.0.jar:3.0.0]
> at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:226) [javax.el-3.0.0.jar:3.0.0]
> at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) [jsf-impl-2.2.5-jbossorg-3.jar:]
> {noformat}
> Here is the jsf page :
> {code:xml}
> <html xmlns="http://www.w3.org/1999/xhtml"
> xmlns:h="http://java.sun.com/jsf/html"
> xmlns:f="http://java.sun.com/jsf/core"
> xmlns:ui="http://java.sun.com/jsf/facelets">
> <h:head>
> </h:head>
> <h:body>
>
> <h:outputText value="#{request.getHeader('user-agent')}"/>
>
> </h:body>
> </html>
> {code}
> Web.xml
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="http://java.sun.com/xml/ns/javaee"
> xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
> version="3.0">
> <servlet>
> <servlet-name>Faces Servlet</servlet-name>
> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
> <load-on-startup>1</load-on-startup>
> </servlet>
> <servlet-mapping>
> <servlet-name>Faces Servlet</servlet-name>
> <url-pattern>*.xhtml</url-pattern>
> </servlet-mapping>
> </web-app>
> {code}
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10 years, 1 month