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ASF GitHub Bot commented on BROOKLYN-396: ----------------------------------------- Github user aledsage commented on the issue: https://github.com/apache/brooklyn-server/pull/444 Merging now. > Exception resizing DynamicCluster after rebind when members use localhost > ------------------------------------------------------------------------- > > Key: BROOKLYN-396 > URL: https://issues.apache.org/jira/browse/BROOKLYN-396 > Project: Brooklyn > Issue Type: Bug > Reporter: Sam Corbett > > A {{StackOverflowError}} is thrown when resizing {{DynamicCluster}} after > rebinding Brooklyn. Cluster members are VanillaSoftwareProcesses targeting > localhost. The error was not thrown in a test deployment to AWS EC2. Sample > blueprint: > {code} > location: localhost > services: > - type: org.apache.brooklyn.entity.group.DynamicCluster > brooklyn.config: > memberSpec: > $brooklyn:entitySpec: > type: org.apache.brooklyn.entity.software.base.VanillaSoftwareProcess > brooklyn.config: > launch.command: sleep 3 > stop.command: sleep 3 > checkRunning.command: true > initialSize: 2 > {code} > The overflow is triggered by: > {code} > java.util.concurrent.ExecutionException: > org.apache.brooklyn.util.exceptions.CompoundRuntimeException: 2 errors, > including: Error invoking start at VanillaSoftwareProcessImpl{id=z6fexc5q02}: > StackOverflowError > at > org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodSync(AbstractManagementContext.java:347) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils.invokeMethodEffector(EffectorUtils.java:276) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.MethodEffector.call(MethodEffector.java:148) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.AbstractEffector.call(AbstractEffector.java:61) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.AbstractEffector$1$1.call(AbstractEffector.java:83) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:522) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > [na:1.8.0_05] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_05] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_05] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05] > Caused by: org.apache.brooklyn.util.exceptions.CompoundRuntimeException: 2 > errors, including: Error invoking start at > VanillaSoftwareProcessImpl{id=z6fexc5q02}: StackOverflowError > at > org.apache.brooklyn.util.exceptions.Exceptions.create(Exceptions.java:438) > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.exceptions.Exceptions.create(Exceptions.java:425) > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.addInEachLocation(DynamicClusterImpl.java:865) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.grow(DynamicClusterImpl.java:771) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.resizeByDelta(DynamicClusterImpl.java:729) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.resize(DynamicClusterImpl.java:578) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > ~[na:1.8.0_05] > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > ~[na:1.8.0_05] > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > ~[na:1.8.0_05] > at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_05] > at > org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaObjectProtocol$invokeMethod.call(Unknown Source) > ~[na:na] > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124) > ~[org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.apache.brooklyn.util.groovy.GroovyJavaMethods.invokeMethodOnMetaClass(GroovyJavaMethods.java:191) > > ~[org.apache.brooklyn-brooklyn-utils-groovy-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodLocal(AbstractManagementContext.java:319) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodSync(AbstractManagementContext.java:343) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 10 common frames omitted > Caused by: java.util.concurrent.ExecutionException: > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException: > Error invoking start at VanillaSoftwareProcessImpl{id=z6fexc5q02}: > StackOverflowError > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > [na:1.8.0_05] > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > [na:1.8.0_05] > at > com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63) > ~[com.google.guava-guava-16.0.1.jar:na] > at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.waitForTasksOnEntityStart(DynamicClusterImpl.java:901) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.addInEachLocation(DynamicClusterImpl.java:837) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 29 common frames omitted > Caused by: > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException: > Error invoking start at VanillaSoftwareProcessImpl{id=z6fexc5q02} > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.propagate(EffectorUtils.java:318) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.access$100(EffectorUtils.java:285) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils.handleEffectorException(EffectorUtils.java:326) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$2.handleException(EffectorTasks.java:90) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask.handleException(DynamicSequentialTask.java:469) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:417) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 5 common frames omitted > Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: > at > org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129) > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:372) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at org.apache.brooklyn.util.core.task.Tasks$2.get(Tasks.java:293) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.preStartAtMachineAsync(MachineLifecycleEffectorTasks.java:448) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocation(MachineLifecycleEffectorTasks.java:365) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocations(MachineLifecycleEffectorTasks.java:350) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.start(MachineLifecycleEffectorTasks.java:339) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:240) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:227) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$1.call(EffectorTasks.java:82) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 5 common frames omitted > Caused by: java.util.concurrent.ExecutionException: > java.lang.StackOverflowError > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > [na:1.8.0_05] > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > [na:1.8.0_05] > at > com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63) > ~[com.google.guava-guava-16.0.1.jar:na] > at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:370) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 14 common frames omitted > java.lang.StackOverflowError: null > at > java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936) > ~[na:1.8.0_05] > at > org.apache.brooklyn.core.objs.BrooklynDynamicType.getConfigKey(BrooklynDynamicType.java:127) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.location.internal.LocationConfigMap.getKeyAtContainerImpl(LocationConfigMap.java:110) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.location.internal.LocationConfigMap.getKeyAtContainerImpl(LocationConfigMap.java:46) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AbstractConfigMapImpl.getKeyAtContainer(AbstractConfigMapImpl.java:283) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AbstractConfigMapImpl$1.apply(AbstractConfigMapImpl.java:332) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AbstractConfigMapImpl$1.apply(AbstractConfigMapImpl.java:329) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AncestorContainerAndKeyValueIterator.next(AncestorContainerAndKeyValueIterator.java:59) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AncestorContainerAndKeyValueIterator.next(AncestorContainerAndKeyValueIterator.java:30) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.config.ConfigInheritances.resolveInheriting(ConfigInheritances.java:82) > > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.config.ConfigInheritances.resolveInheriting(ConfigInheritances.java:68) > > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AbstractConfigMapImpl.getConfigImpl(AbstractConfigMapImpl.java:374) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.config.internal.AbstractConfigMapImpl.getConfigInheritedRaw(AbstractConfigMapImpl.java:434) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.objs.AbstractConfigurationSupportInternal.getRaw(AbstractConfigurationSupportInternal.java:202) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.location.ssh.SshMachineLocation.getPort(SshMachineLocation.java:581) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.location.ssh.SshMachineLocation.toString(SshMachineLocation.java:956) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractCollection.toString(AbstractCollection.java:462) > ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > ... > {code} > There is a {{ConcurrentModificationException}} in the log before this: > {code} > 2016-11-17 20:35:30,974 DEBUG o.a.b.e.g.DynamicClusterImpl > [brooklyn-execmanager-PD6MDI1X-0]: Trace for: Cluster > DynamicClusterImpl{id=v2q22vsw0k} failed to start entity > VanillaSoftwareProcessImpl{id=jdpckfsu5f} (removing): > java.util.concurrent.ExecutionException: > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException: > Error invoking start at VanillaSoftwareProcessImpl{id=jdpckfsu5f}: > ConcurrentModificationException > java.util.concurrent.ExecutionException: > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException: > Error invoking start at VanillaSoftwareProcessImpl{id=jdpckfsu5f}: > ConcurrentModificationException > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > [na:1.8.0_05] > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > [na:1.8.0_05] > at > com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63) > ~[com.google.guava-guava-16.0.1.jar:na] > at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.waitForTasksOnEntityStart(DynamicClusterImpl.java:901) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.addInEachLocation(DynamicClusterImpl.java:837) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.grow(DynamicClusterImpl.java:771) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.resizeByDelta(DynamicClusterImpl.java:729) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.group.DynamicClusterImpl.resize(DynamicClusterImpl.java:578) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > ~[na:1.8.0_05] > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > ~[na:1.8.0_05] > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > ~[na:1.8.0_05] > at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_05] > at > org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at groovy.lang.MetaObjectProtocol$invokeMethod.call(Unknown Source) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124) > [org.codehaus.groovy-groovy-all-2.3.7.jar:2.3.7] > at > org.apache.brooklyn.util.groovy.GroovyJavaMethods.invokeMethodOnMetaClass(GroovyJavaMethods.java:191) > > [org.apache.brooklyn-brooklyn-utils-groovy-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodLocal(AbstractManagementContext.java:319) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodSync(AbstractManagementContext.java:343) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils.invokeMethodEffector(EffectorUtils.java:276) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.MethodEffector.call(MethodEffector.java:148) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.AbstractEffector.call(AbstractEffector.java:61) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.AbstractEffector$1$1.call(AbstractEffector.java:83) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:522) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > [na:1.8.0_05] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_05] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_05] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05] > Caused by: > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException: > Error invoking start at VanillaSoftwareProcessImpl{id=jdpckfsu5f} > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.propagate(EffectorUtils.java:318) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.access$100(EffectorUtils.java:285) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.mgmt.internal.EffectorUtils.handleEffectorException(EffectorUtils.java:326) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$2.handleException(EffectorTasks.java:90) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask.handleException(DynamicSequentialTask.java:469) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:417) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 5 common frames omitted > Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: > at > org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129) > ~[org.apache.brooklyn-brooklyn-utils-common-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:372) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at org.apache.brooklyn.util.core.task.Tasks$2.get(Tasks.java:293) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.preStartAtMachineAsync(MachineLifecycleEffectorTasks.java:448) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocation(MachineLifecycleEffectorTasks.java:365) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocations(MachineLifecycleEffectorTasks.java:350) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.start(MachineLifecycleEffectorTasks.java:339) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:240) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:227) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$1.call(EffectorTasks.java:82) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359) > [org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 5 common frames omitted > Caused by: java.util.concurrent.ExecutionException: > java.util.ConcurrentModificationException > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > [na:1.8.0_05] > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > [na:1.8.0_05] > at > com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63) > ~[com.google.guava-guava-16.0.1.jar:na] > at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:370) > ~[org.apache.brooklyn-brooklyn-core-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 14 common frames omitted > Caused by: java.util.ConcurrentModificationException: null > at > java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:711) > ~[na:1.8.0_05] > at > java.util.LinkedHashMap$LinkedEntryIterator.next(LinkedHashMap.java:744) > ~[na:1.8.0_05] > at > java.util.LinkedHashMap$LinkedEntryIterator.next(LinkedHashMap.java:742) > ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:531) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at > java.util.Collections$UnmodifiableMap.toString(Collections.java:1553) > ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at > java.util.Collections$UnmodifiableMap.toString(Collections.java:1553) > ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at java.util.AbstractMap.toString(AbstractMap.java:536) ~[na:1.8.0_05] > at java.lang.String.valueOf(String.java:2979) ~[na:1.8.0_05] > at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_05] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ProvisionMachineTask.call(MachineLifecycleEffectorTasks.java:426) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > at > org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ProvisionMachineTask.call(MachineLifecycleEffectorTasks.java:390) > > ~[org.apache.brooklyn-brooklyn-software-base-0.10.0-SNAPSHOT.jar:0.10.0-SNAPSHOT] > ... 6 common frames 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