[KARAF-5336] NullPointerException during instance start in InstanceServiceImpl.getKarafPort

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 4.0.9
• Component/s: karaf
• Assignee: Unassigned
• Reporter: Martin Lichtin
• Created: 05/Sep/17 06:12
• Updated: 15/Sep/18 05:03
• Resolved: 15/Jun/18 10:51

Description

Starting an instance sometimes causes a NullPointerException:

java.lang.NullPointerException
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl$14.call(InstanceServiceImpl.java:912)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl$14.call(InstanceServiceImpl.java:910)
    at org.apache.karaf.util.locks.FileLockUtils$2.call(FileLockUtils.java:103)
    at org.apache.karaf.util.locks.FileLockUtils.execute(FileLockUtils.java:69)
    at org.apache.karaf.util.locks.FileLockUtils.execute(FileLockUtils.java:97)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl.getKarafPort(InstanceServiceImpl.java:910)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl.access$2000(InstanceServiceImpl.java:64)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl$23.call(InstanceServiceImpl.java:1038)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl$23.call(InstanceServiceImpl.java:1032)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl$1.call(InstanceServiceImpl.java:250)
    at org.apache.karaf.util.locks.FileLockUtils$2.call(FileLockUtils.java:103)
    at org.apache.karaf.util.locks.FileLockUtils.execute(FileLockUtils.java:69)
    at org.apache.karaf.util.locks.FileLockUtils.execute(FileLockUtils.java:97)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl.execute(InstanceServiceImpl.java:247)
    at org.apache.karaf.instance.core.internal.InstanceServiceImpl.getInstanceState(InstanceServiceImpl.java:1032)
    at org.apache.karaf.instance.core.internal.InstanceImpl.getState(InstanceImpl.java:112)
    at org.apache.karaf.instance.command.StartCommand.doExecute(StartCommand.java:84)
    at org.apache.karaf.instance.command.InstanceCommandSupport.execute(InstanceCommandSupport.java:90)
    at org.apache.karaf.shell.impl.action.command.ActionCommand.execute(ActionCommand.java:83)
    at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:67)
    at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:87)
    at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:480)
    ...