Aled Sage created BROOKLYN-544:
----------------------------------
Summary: Deadlock in enricher's subscription
Key: BROOKLYN-544
URL: https://issues.apache.org/jira/browse/BROOKLYN-544
Project: Brooklyn
Issue Type: Bug
Reporter: Aled Sage
Priority: Blocker
With brooklyn 1.0.0-SNAPSHOT, running the test
{{YamlRollingTimeWindowMeanEnricherTest}} many times, it hung with the deadlock
shown below:
{noformat}
Found one Java-level deadlock:
=============================
"brooklyn-execmanager-CkWF5Jg7-1":
waiting to lock monitor 0x00007f8e9c025de8 (object 0x00000007b5fee528, a
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager),
which is held by "main"
"main":
waiting to lock monitor 0x00007f8e9b95ebe8 (object 0x00000007b6042cf8, a
java.util.Collections$SynchronizedMap),
which is held by "brooklyn-execmanager-CkWF5Jg7-1"
Java stack information for the threads listed above:
===================================================
"brooklyn-execmanager-CkWF5Jg7-1":
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager.getSubscriptionsForEntitySensor(LocalSubscriptionManager.java:207)
- waiting to lock <0x00000007b5fee528> (a
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager.publish(LocalSubscriptionManager.java:255)
at
org.apache.brooklyn.core.mgmt.internal.BasicSubscriptionContext.publish(BasicSubscriptionContext.java:176)
at
org.apache.brooklyn.core.entity.AbstractEntity$BasicSensorSupport.emitInternal(AbstractEntity.java:1059)
at
org.apache.brooklyn.core.sensor.AttributeMap.update(AttributeMap.java:151)
- locked <0x00000007b6042cf8> (a java.util.Collections$SynchronizedMap)
at
org.apache.brooklyn.core.entity.AbstractEntity$BasicSensorSupport.set(AbstractEntity.java:957)
at
org.apache.brooklyn.core.enricher.AbstractEnricher.emit(AbstractEnricher.java:144)
at
org.apache.brooklyn.enricher.stock.AbstractTransformer.onEvent(AbstractTransformer.java:157)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager$1.run(LocalSubscriptionManager.java:336)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager.submitPublishEvent(LocalSubscriptionManager.java:352)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager.lambda$0(LocalSubscriptionManager.java:192)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager$$Lambda$3/871160466.run(Unknown
Source)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at
org.apache.brooklyn.util.core.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:565)
at
org.apache.brooklyn.util.core.task.SingleThreadedScheduler$1.call(SingleThreadedScheduler.java:116)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"main":
at java.util.Collections$SynchronizedMap.get(Collections.java:2584)
- waiting to lock <0x00000007b6042cf8> (a
java.util.Collections$SynchronizedMap)
at
org.apache.brooklyn.core.sensor.AttributeMap.getValue(AttributeMap.java:219)
at
org.apache.brooklyn.core.sensor.AttributeMap.getValue(AttributeMap.java:225)
at
org.apache.brooklyn.core.entity.AbstractEntity$BasicSensorSupport.get(AbstractEntity.java:932)
at
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager.subscribe(LocalSubscriptionManager.java:147)
- locked <0x00000007b5fee528> (a
org.apache.brooklyn.core.mgmt.internal.LocalSubscriptionManager)
at
org.apache.brooklyn.core.mgmt.internal.AbstractSubscriptionManager.subscribe(AbstractSubscriptionManager.java:106)
at
org.apache.brooklyn.core.mgmt.internal.BasicSubscriptionContext.subscribe(BasicSubscriptionContext.java:98)
at
org.apache.brooklyn.core.mgmt.internal.SubscriptionTracker.subscribe(SubscriptionTracker.java:67)
at
org.apache.brooklyn.core.objs.AbstractEntityAdjunct$BasicSubscriptionSupport.subscribe(AbstractEntityAdjunct.java:238)
at
org.apache.brooklyn.enricher.stock.AbstractTransformer.setEntity(AbstractTransformer.java:120)
at
org.apache.brooklyn.enricher.stock.YamlRollingTimeWindowMeanEnricher.setEntity(YamlRollingTimeWindowMeanEnricher.java:93)
at
org.apache.brooklyn.core.entity.AbstractEntity$BasicEnricherSupport.add(AbstractEntity.java:1443)
at
org.apache.brooklyn.core.entity.AbstractEntity$BasicEnricherSupport.add(AbstractEntity.java:1429)
at
org.apache.brooklyn.enricher.stock.YamlRollingTimeWindowMeanEnricherTest.setUp(YamlRollingTimeWindowMeanEnricherTest.java:68)
at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:104)
at
org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:515)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:217)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:590)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177)
at
org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
at org.testng.TestRunner.privateRun(TestRunner.java:756)
at org.testng.TestRunner.run(TestRunner.java:610)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:387)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:382)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1293)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1218)
at org.testng.TestNG.runSuites(TestNG.java:1133)
at org.testng.TestNG.run(TestNG.java:1104)
at
org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:230)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:76)
Found 1 deadlock.
{noformat}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
