[JBoss JIRA] (ISPN-6043) TransactionTable should ignore view changes during shutdown
by Dan Berindei (JIRA)
[ https://issues.jboss.org/browse/ISPN-6043?page=com.atlassian.jira.plugin.... ]
Dan Berindei updated ISPN-6043:
-------------------------------
Fix Version/s: 8.1.1.Final
> TransactionTable should ignore view changes during shutdown
> -----------------------------------------------------------
>
> Key: ISPN-6043
> URL: https://issues.jboss.org/browse/ISPN-6043
> Project: Infinispan
> Issue Type: Bug
> Components: Core
> Affects Versions: 8.1.0.Final
> Reporter: Dan Berindei
> Assignee: Dan Berindei
> Fix For: 8.2.0.Alpha1, 8.1.1.Final
>
>
> During shutdown, {{TransactionTable}} unregisters itself as a view change listener, but it can still receive view change notifications after it stopped the executor service. When that happens, it causes a {{RejectedExecutionException}} that is eventually logged by JGroups:
> {noformat}
> pbcast.GMS - JGRP000027: failed passing message up
> java.lang.RuntimeException: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:682)
> at org.jgroups.JChannel.up(JChannel.java:733)
> at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1029)
> at org.jgroups.protocols.RSVP.up(RSVP.java:201)
> at org.jgroups.protocols.FRAG2.up(FRAG2.java:165)
> at org.jgroups.protocols.FlowControl.up(FlowControl.java:394)
> at org.jgroups.protocols.pbcast.GMS.installView(GMS.java:732)
> at org.jgroups.protocols.pbcast.ParticipantGmsImpl.handleViewChange(ParticipantGmsImpl.java:146)
> at org.jgroups.protocols.pbcast.GMS.up(GMS.java:922)
> at org.jgroups.stack.Protocol.up(Protocol.java:412)
> at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:294)
> at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:474)
> at org.jgroups.protocols.pbcast.NAKACK2.deliverBatch(NAKACK2.java:982)
> at org.jgroups.protocols.pbcast.NAKACK2.removeAndPassUp(NAKACK2.java:912)
> at org.jgroups.protocols.pbcast.NAKACK2.handleMessage(NAKACK2.java:846)
> at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:618)
> at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:155)
> at org.jgroups.protocols.FD.up(FD.java:255)
> at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:297)
> at org.jgroups.protocols.MERGE3.up(MERGE3.java:288)
> at org.jgroups.protocols.Discovery.up(Discovery.java:291)
> at org.jgroups.protocols.TP.passMessageUp(TP.java:1572)
> at org.jgroups.protocols.TP$MyHandler.run(TP.java:1791)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:287)
> at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:22)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl.invoke(AbstractListenerImpl.java:305)
> at org.infinispan.notifications.cachemanagerlistener.CacheManagerNotifierImpl.notifyViewChange(CacheManagerNotifierImpl.java:88)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport$NotifyViewChange.emitNotification(JGroupsTransport.java:638)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport.viewAccepted(JGroupsTransport.java:708)
> at org.jgroups.blocks.MessageDispatcher.handleUpEvent(MessageDispatcher.java:602)
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:679)
> ... 25 more
> Caused by: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@1f5986a3 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@2e964769[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1696]
> at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048)
> at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
> at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:325)
> at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:546)
> at java.util.concurrent.ScheduledThreadPoolExecutor.submit(ScheduledThreadPoolExecutor.java:646)
> at java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:641)
> at org.infinispan.transaction.TransactionTable.onViewChange(TransactionTable.java:491)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:282)
> ... 32 more
> {noformat}
> The exception is harmless for the stopping cache, the problem is that the following view change listeners are also skipped. We should fix both {{TransactionTable}} to avoid throwing the exception, and {{CacheManagerNotifier}} to ignore any exceptions during view changes.
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[JBoss JIRA] (ISPN-6043) TransactionTable should ignore view changes during shutdown
by Dan Berindei (JIRA)
[ https://issues.jboss.org/browse/ISPN-6043?page=com.atlassian.jira.plugin.... ]
Dan Berindei updated ISPN-6043:
-------------------------------
Status: Open (was: New)
> TransactionTable should ignore view changes during shutdown
> -----------------------------------------------------------
>
> Key: ISPN-6043
> URL: https://issues.jboss.org/browse/ISPN-6043
> Project: Infinispan
> Issue Type: Bug
> Components: Core
> Affects Versions: 8.1.0.Final
> Reporter: Dan Berindei
> Fix For: 8.2.0.Alpha1
>
>
> During shutdown, {{TransactionTable}} unregisters itself as a view change listener, but it can still receive view change notifications after it stopped the executor service. When that happens, it causes a {{RejectedExecutionException}} that is eventually logged by JGroups:
> {noformat}
> pbcast.GMS - JGRP000027: failed passing message up
> java.lang.RuntimeException: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:682)
> at org.jgroups.JChannel.up(JChannel.java:733)
> at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1029)
> at org.jgroups.protocols.RSVP.up(RSVP.java:201)
> at org.jgroups.protocols.FRAG2.up(FRAG2.java:165)
> at org.jgroups.protocols.FlowControl.up(FlowControl.java:394)
> at org.jgroups.protocols.pbcast.GMS.installView(GMS.java:732)
> at org.jgroups.protocols.pbcast.ParticipantGmsImpl.handleViewChange(ParticipantGmsImpl.java:146)
> at org.jgroups.protocols.pbcast.GMS.up(GMS.java:922)
> at org.jgroups.stack.Protocol.up(Protocol.java:412)
> at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:294)
> at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:474)
> at org.jgroups.protocols.pbcast.NAKACK2.deliverBatch(NAKACK2.java:982)
> at org.jgroups.protocols.pbcast.NAKACK2.removeAndPassUp(NAKACK2.java:912)
> at org.jgroups.protocols.pbcast.NAKACK2.handleMessage(NAKACK2.java:846)
> at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:618)
> at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:155)
> at org.jgroups.protocols.FD.up(FD.java:255)
> at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:297)
> at org.jgroups.protocols.MERGE3.up(MERGE3.java:288)
> at org.jgroups.protocols.Discovery.up(Discovery.java:291)
> at org.jgroups.protocols.TP.passMessageUp(TP.java:1572)
> at org.jgroups.protocols.TP$MyHandler.run(TP.java:1791)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:287)
> at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:22)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl.invoke(AbstractListenerImpl.java:305)
> at org.infinispan.notifications.cachemanagerlistener.CacheManagerNotifierImpl.notifyViewChange(CacheManagerNotifierImpl.java:88)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport$NotifyViewChange.emitNotification(JGroupsTransport.java:638)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport.viewAccepted(JGroupsTransport.java:708)
> at org.jgroups.blocks.MessageDispatcher.handleUpEvent(MessageDispatcher.java:602)
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:679)
> ... 25 more
> Caused by: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@1f5986a3 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@2e964769[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1696]
> at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048)
> at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
> at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:325)
> at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:546)
> at java.util.concurrent.ScheduledThreadPoolExecutor.submit(ScheduledThreadPoolExecutor.java:646)
> at java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:641)
> at org.infinispan.transaction.TransactionTable.onViewChange(TransactionTable.java:491)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:282)
> ... 32 more
> {noformat}
> The exception is harmless for the stopping cache, the problem is that the following view change listeners are also skipped. We should fix both {{TransactionTable}} to avoid throwing the exception, and {{CacheManagerNotifier}} to ignore any exceptions during view changes.
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[JBoss JIRA] (ISPN-6043) TransactionTable should ignore view changes during shutdown
by Dan Berindei (JIRA)
[ https://issues.jboss.org/browse/ISPN-6043?page=com.atlassian.jira.plugin.... ]
Dan Berindei reassigned ISPN-6043:
----------------------------------
Assignee: Dan Berindei
> TransactionTable should ignore view changes during shutdown
> -----------------------------------------------------------
>
> Key: ISPN-6043
> URL: https://issues.jboss.org/browse/ISPN-6043
> Project: Infinispan
> Issue Type: Bug
> Components: Core
> Affects Versions: 8.1.0.Final
> Reporter: Dan Berindei
> Assignee: Dan Berindei
> Fix For: 8.2.0.Alpha1
>
>
> During shutdown, {{TransactionTable}} unregisters itself as a view change listener, but it can still receive view change notifications after it stopped the executor service. When that happens, it causes a {{RejectedExecutionException}} that is eventually logged by JGroups:
> {noformat}
> pbcast.GMS - JGRP000027: failed passing message up
> java.lang.RuntimeException: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:682)
> at org.jgroups.JChannel.up(JChannel.java:733)
> at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1029)
> at org.jgroups.protocols.RSVP.up(RSVP.java:201)
> at org.jgroups.protocols.FRAG2.up(FRAG2.java:165)
> at org.jgroups.protocols.FlowControl.up(FlowControl.java:394)
> at org.jgroups.protocols.pbcast.GMS.installView(GMS.java:732)
> at org.jgroups.protocols.pbcast.ParticipantGmsImpl.handleViewChange(ParticipantGmsImpl.java:146)
> at org.jgroups.protocols.pbcast.GMS.up(GMS.java:922)
> at org.jgroups.stack.Protocol.up(Protocol.java:412)
> at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:294)
> at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:474)
> at org.jgroups.protocols.pbcast.NAKACK2.deliverBatch(NAKACK2.java:982)
> at org.jgroups.protocols.pbcast.NAKACK2.removeAndPassUp(NAKACK2.java:912)
> at org.jgroups.protocols.pbcast.NAKACK2.handleMessage(NAKACK2.java:846)
> at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:618)
> at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:155)
> at org.jgroups.protocols.FD.up(FD.java:255)
> at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:297)
> at org.jgroups.protocols.MERGE3.up(MERGE3.java:288)
> at org.jgroups.protocols.Discovery.up(Discovery.java:291)
> at org.jgroups.protocols.TP.passMessageUp(TP.java:1572)
> at org.jgroups.protocols.TP$MyHandler.run(TP.java:1791)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.infinispan.commons.CacheListenerException: ISPN000280: Caught exception [java.util.concurrent.RejectedExecutionException] while invoking method [public void org.infinispan.transaction.TransactionTable.onViewChange(org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent)] on listener instance: org.infinispan.transaction.TransactionTable@3d5ab0ba
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:287)
> at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:22)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl.invoke(AbstractListenerImpl.java:305)
> at org.infinispan.notifications.cachemanagerlistener.CacheManagerNotifierImpl.notifyViewChange(CacheManagerNotifierImpl.java:88)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport$NotifyViewChange.emitNotification(JGroupsTransport.java:638)
> at org.infinispan.remoting.transport.jgroups.JGroupsTransport.viewAccepted(JGroupsTransport.java:708)
> at org.jgroups.blocks.MessageDispatcher.handleUpEvent(MessageDispatcher.java:602)
> at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:679)
> ... 25 more
> Caused by: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@1f5986a3 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@2e964769[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1696]
> at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048)
> at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
> at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:325)
> at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:546)
> at java.util.concurrent.ScheduledThreadPoolExecutor.submit(ScheduledThreadPoolExecutor.java:646)
> at java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:641)
> at org.infinispan.transaction.TransactionTable.onViewChange(TransactionTable.java:491)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:282)
> ... 32 more
> {noformat}
> The exception is harmless for the stopping cache, the problem is that the following view change listeners are also skipped. We should fix both {{TransactionTable}} to avoid throwing the exception, and {{CacheManagerNotifier}} to ignore any exceptions during view changes.
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[JBoss JIRA] (ISPN-6042) NPE when using avg on repeated property and one group does not contain any value
by RH Bugzilla Integration (JIRA)
[ https://issues.jboss.org/browse/ISPN-6042?page=com.atlassian.jira.plugin.... ]
RH Bugzilla Integration commented on ISPN-6042:
-----------------------------------------------
Roman Macor <rmacor(a)redhat.com> changed the Status of [bug 1295516|https://bugzilla.redhat.com/show_bug.cgi?id=1295516] from ON_QA to VERIFIED
> NPE when using avg on repeated property and one group does not contain any value
> --------------------------------------------------------------------------------
>
> Key: ISPN-6042
> URL: https://issues.jboss.org/browse/ISPN-6042
> Project: Infinispan
> Issue Type: Bug
> Components: Embedded Querying
> Affects Versions: 8.1.0.Final
> Reporter: Adrian Nistor
> Assignee: Adrian Nistor
> Fix For: 8.2.0.Alpha1, 8.1.1.Final
>
>
> Adding this test to QueryDslConditionsTest results in NPE:
> {code}
> public void testEmbeddedAvg() {
> QueryFactory qf = getQueryFactory();
> Query q = qf.from(getModelFactory().getUserImplClass())
> .select(Expression.property("surname"), Expression.avg("addresses.number"))
> .groupBy("surname")
> .orderBy("surname")
> .build();
> List<Object[]> list = q.list();
> assertEquals(3, list.size());
> assertEquals(2, list.get(0).length);
> assertEquals(2, list.get(1).length);
> assertEquals(2, list.get(2).length);
> assertEquals(156d, (Double) list.get(0)[1], 0.0001d);
> assertEquals(150d, (Double) list.get(1)[1], 0.0001d);
> assertEquals(null, list.get(2)[1]);
> }
> {code}
> {code}
> java.lang.NullPointerException
> at org.infinispan.objectfilter.impl.aggregation.AvgAccumulator.merge(AvgAccumulator.java:39)
> at org.infinispan.objectfilter.impl.aggregation.FieldAccumulator.merge(FieldAccumulator.java:42)
> at org.infinispan.objectfilter.impl.aggregation.Grouper.addRow(Grouper.java:133)
> at org.infinispan.query.dsl.embedded.impl.AggregatingQuery.getBaseIterator(AggregatingQuery.java:52)
> at org.infinispan.query.dsl.embedded.impl.HybridQuery$1.<init>(HybridQuery.java:47)
> at org.infinispan.query.dsl.embedded.impl.HybridQuery.getIterator(HybridQuery.java:45)
> at org.infinispan.query.dsl.embedded.impl.BaseEmbeddedQuery.listInternal(BaseEmbeddedQuery.java:65)
> at org.infinispan.query.dsl.embedded.impl.BaseEmbeddedQuery.list(BaseEmbeddedQuery.java:57)
> at org.infinispan.query.dsl.embedded.impl.DelegatingQuery.list(DelegatingQuery.java:45)
> at org.infinispan.query.dsl.embedded.QueryDslConditionsTest.testEmbeddedAvg(QueryDslConditionsTest.java:2066)
> {code}
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[JBoss JIRA] (ISPN-6061) Cache Enum.values()
by Pedro Ruivo (JIRA)
Pedro Ruivo created ISPN-6061:
---------------------------------
Summary: Cache Enum.values()
Key: ISPN-6061
URL: https://issues.jboss.org/browse/ISPN-6061
Project: Infinispan
Issue Type: Enhancement
Components: Core
Affects Versions: 8.0.2.Final
Reporter: Pedro Ruivo
Assignee: Pedro Ruivo
For safety reason, Enum.values() clones the values array in each invocation. Although the cloning is fast, it creates a lot of garbage (as it is used in every Enum unmarshalling). Cache it avoids cloning it every time.
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