Sam Corbett created BROOKLYN-117:
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Summary: NullPointerException in JmxSupport
Key: BROOKLYN-117
URL: https://issues.apache.org/jira/browse/BROOKLYN-117
Project: Brooklyn
Issue Type: Bug
Reporter: Sam Corbett
I deployed this blueprint to a Clocker location running in Softlayer:
{code}
name: ActiveMQ
location: my-docker-cloud
services:
- type: brooklyn.entity.messaging.activemq.ActiveMQBroker
brooklyn.config:
docker.dockerfile.url:
https://s3-eu-west-1.amazonaws.com/brooklyn-docker/UsesJavaDockerfile
- type: brooklyn.entity.messaging.activemq.ActiveMQBroker
brooklyn.config:
docker.dockerfile.url:
https://s3-eu-west-1.amazonaws.com/brooklyn-docker/UsesJavaDockerfile
{code}
One of the ActiveMQ brokers failed to start because of a
{{NullPointerException}} thrown from {{JmxSupport}}:
{code}
2015-01-12 16:50:43,682 DEBUG b.u.task.BasicExecutionManager
[brooklyn-execmanager-ZYItXzrw-262]: Exception running task
Task[pre-install-command:GRPp1Omr] (rethrowing): null
java.lang.NullPointerException: null
at
brooklyn.entity.java.JmxSupport.applyJmxJavaSystemProperties(JmxSupport.java:275)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJmxJavaSystemProperties(JavaSoftwareProcessSshDriver.java:257)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJavaSystemProperties(JavaSoftwareProcessSshDriver.java:206)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJavaOpts(JavaSoftwareProcessSshDriver.java:124)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.java.JavaSoftwareProcessSshDriver.getShellEnvironment(JavaSoftwareProcessSshDriver.java:104)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.messaging.activemq.ActiveMQSshDriver.getShellEnvironment(ActiveMQSshDriver.java:139)
~[brooklyn-software-messaging-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.basic.AbstractSoftwareProcessSshDriver.execute(AbstractSoftwareProcessSshDriver.java:301)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.basic.AbstractSoftwareProcessSshDriver.execute(AbstractSoftwareProcessSshDriver.java:284)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.basic.AbstractSoftwareProcessSshDriver.runPreInstallCommand(AbstractSoftwareProcessSshDriver.java:418)
~[brooklyn-software-base-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.entity.basic.AbstractSoftwareProcessDriver$2.run(AbstractSoftwareProcessDriver.java:106)
~[brooklyn-clocker-patches-0.8.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
~[na:1.7.0_51]
at
brooklyn.util.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:337)
~[brooklyn-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at
brooklyn.util.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:469)
~[brooklyn-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
[na:1.7.0_51]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_51]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
{code}
Line 275 of {{JmxSupport}} is:
{code}
HostAndPort jmx =
BrooklynAccessUtils.getBrooklynAccessibleAddress(entity,
entity.getAttribute(JMX_PORT));
{code}
The {{entity}} field should not be null in a sane world because it's protected
by a {{checkNotNull}} in the class' constructor.
Two subsequent deployments of the same blueprint were successful.
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