[jbosstools-issues] [JBoss JIRA] (JBIDE-18451) JMX Navigator pollutes error log with NullPointerException on Update Timer Cancel event

[Denis Golovin (JIRA)]

Denis Golovin created JBIDE-18451:
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             Summary: JMX Navigator pollutes error log with NullPointerException on Update Timer Cancel event
                 Key: JBIDE-18451
                 URL: https://issues.jboss.org/browse/JBIDE-18451
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: jmx
    Affects Versions: 4.2.0.CR1
         Environment: Fedora 20 x86_64, Java 7, Gnome 3
            Reporter: Denis Golovin


I see a lot of exceptions in JBDS log like one below:
{code}java.lang.NullPointerException
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.Tools.findHomeDirectoryToAddToClasspath(Tools.java:669)
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.Tools.configureClassPathAndLibraryPath(Tools.java:691)
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.Tools.<init>(Tools.java:77)
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.Tools.getInstance(Tools.java:89)
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.JvmAttachHandler.updatesActiveJvms(JvmAttachHandler.java:93)
	at org.jboss.tools.jmx.jvmmonitor.internal.tools.JvmAttachHandler$1.run(JvmAttachHandler.java:73)
	at java.util.TimerThread.mainLoop(Timer.java:555)
	at java.util.TimerThread.run(Timer.java:505){code}



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