Harry Metske created BROOKLYN-170:
-------------------------------------
Summary: NullPointerException: jmx port must not be null for
Tomcat8ServerImpl
Key: BROOKLYN-170
URL: https://issues.apache.org/jira/browse/BROOKLYN-170
Project: Brooklyn
Issue Type: Bug
Affects Versions: 0.8.0-SNAPSHOT
Environment: Ubuntu Linux 15.04
OpenJDK 64-Bit Server VM (build 25.45-b02, mixed mode)
brooklyn 0.8.0-incubating
Reporter: Harry Metske
I am using a ControlledDynamicWebAppCluster with Tomcat8Server as members and
an AutoScalerPolicy.
When the load increases, brooklyn tries to start an additional tomcat, but
intermittently fails with the following exception :
{noformat}
Caused by: java.lang.NullPointerException: jmx port must not be null for
Tomcat8ServerImpl{id=GEkG3PrY}
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:253)
~[com.google.guava-guava-17.0.jar:na]
at
org.apache.brooklyn.entity.java.JmxSupport.applyJmxJavaSystemProperties(JmxSupport.java:275)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJmxJavaSystemProperties(JavaSoftwareProcessSshDriver.java:258)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJavaSystemProperties(JavaSoftwareProcessSshDriver.java:207)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.java.JavaSoftwareProcessSshDriver.getJavaOpts(JavaSoftwareProcessSshDriver.java:125)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.java.JavaSoftwareProcessSshDriver.getShellEnvironment(JavaSoftwareProcessSshDriver.java:105)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.webapp.tomcat.TomcatSshDriver.getShellEnvironment(TomcatSshDriver.java:140)
~[org.apache.brooklyn-brooklyn-software-webapp-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.software.base.AbstractSoftwareProcessSshDriver.execute(AbstractSoftwareProcessSshDriver.java:261)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
at
org.apache.brooklyn.entity.software.base.lifecycle.ScriptHelper.executeInternal(ScriptHelper.java:366)
~[org.apache.brooklyn-brooklyn-software-base-0.8.0-incubating.jar:0.8.0-incubating]
... 8 common frames omitted
{noformat}
So the problem is intermittent, sometimes this exception occurs, during other
times it doesn't.
I will attach the yaml I used.
If necessary I have debug logging available.
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