[infinispan-issues] [JBoss JIRA] (ISPN-4013) Improve MapReduceTask timeout exception messages

[Vladimir Blagojevic (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12946953#comment-12946953 ] 

Vladimir Blagojevic commented on ISPN-4013:
-------------------------------------------

New stacktrace looks like this:

testInvokeMapReduceOnAllKeys(org.infinispan.distexec.mapreduce.LargeDistributedFourNodesMapReduceTest)  Time elapsed: 10.876 sec  <<< FAILURE!
org.infinispan.commons.CacheException: java.util.concurrent.ExecutionException: Map phase executing at LargeDistributedFourNodesMapReduceTest-NodeA-20949 did not complete within 2 sec timeout
	at org.infinispan.distexec.mapreduce.MapReduceTask.execute(MapReduceTask.java:338)
	at org.infinispan.distexec.mapreduce.BaseLargeWordCountMapReduceTest.testInvokeMapReduceOnAllKeys(BaseLargeWordCountMapReduceTest.java:59)
	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:606)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
	at org.testng.SuiteRunner.access$000(SuiteRunner.java:37)
	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:368)
	at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)
Caused by: java.util.concurrent.ExecutionException: Map phase executing at LargeDistributedFourNodesMapReduceTest-NodeA-20949 did not complete within 2 sec timeout
	at org.infinispan.distexec.mapreduce.MapReduceTask.executeMapPhase(MapReduceTask.java:443)
	at org.infinispan.distexec.mapreduce.MapReduceTask.execute(MapReduceTask.java:332)
	... 21 more
Caused by: org.infinispan.util.concurrent.TimeoutException: Node LargeDistributedFourNodesMapReduceTest-NodeB-57944 timed out
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:174)
	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.invokeRemotely(JGroupsTransport.java:521)
	at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotely(RpcManagerImpl.java:280)
	at org.infinispan.remoting.rpc.RpcManagerImpl$2.call(RpcManagerImpl.java:312)
	... 4 more
Caused by: org.jgroups.TimeoutException: timeout sending message to LargeDistributedFourNodesMapReduceTest-NodeB-57944
	at org.jgroups.blocks.MessageDispatcher.sendMessage(MessageDispatcher.java:419)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.processSingleCall(CommandAwareRpcDispatcher.java:349)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:167)
	... 7 more


                
> Improve MapReduceTask timeout exception messages
> ------------------------------------------------
>
>                 Key: ISPN-4013
>                 URL: https://issues.jboss.org/browse/ISPN-4013
>             Project: Infinispan
>          Issue Type: Enhancement
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>
> Currently we just let TimoutException from RPC call propagate up the stack which confuses users as they do not understand why timeout even occurred. 

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