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From "Christian Schneider (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KARAF-3906) NPE when doing log:clear and log:display and many log full
Date Thu, 06 Aug 2015 09:50:04 GMT
Christian Schneider created KARAF-3906:
------------------------------------------

             Summary: NPE when doing log:clear and log:display and many log full
                 Key: KARAF-3906
                 URL: https://issues.apache.org/jira/browse/KARAF-3906
             Project: Karaf
          Issue Type: Bug
    Affects Versions: 4.0.0
            Reporter: Christian Schneider
            Assignee: Christian Schneider
             Fix For: 4.0.1


When executing the below commands the NPE delow appears. The reason seems to be that the full
flag is not reset to false when clear is called.
So to reproduce make sure you create a lot of log entries first.

karaf@trun()> log:clear 
karaf@trun()> log:display 
Error executing command: java.lang.NullPointerException
karaf@trun()> log:tail 
2015-08-06 11:46:31,833 | ERROR | nsole user karaf | ShellUtil                        | 50
- org.apache.karaf.shell.core - 4.0.0 | Exception caught while executing command
java.lang.NullPointerException
	at org.apache.karaf.log.command.DisplayLog.execute(DisplayLog.java:85)[44:org.apache.karaf.log.core:4.0.0]
	at org.apache.karaf.shell.impl.action.command.ActionCommand.execute(ActionCommand.java:83)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:67)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:87)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:480)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:406)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:182)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:119)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:94)[50:org.apache.karaf.shell.core:4.0.0]
	at org.apache.karaf.shell.impl.console.ConsoleSessionImpl.run(ConsoleSessionImpl.java:267)[50:org.apache.karaf.shell.core:4.0.0]
	at java.lang.Thread.run(Thread.java:745)[:1.7.0_60]




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