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From Jean-Baptiste Onofré (JIRA) <j...@apache.org>
Subject [jira] [Updated] (KARAF-1976) Shell attempts to execute sub-shell actions as commands
Date Thu, 05 Sep 2013 13:05:51 GMT

     [ https://issues.apache.org/jira/browse/KARAF-1976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Baptiste Onofré updated KARAF-1976:
----------------------------------------

    Fix Version/s: 3.0.0
    
> Shell attempts to execute sub-shell actions as commands
> -------------------------------------------------------
>
>                 Key: KARAF-1976
>                 URL: https://issues.apache.org/jira/browse/KARAF-1976
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-shell
>    Affects Versions: 3.0.0
>            Reporter: Victor Antonovich
>            Assignee: Jean-Baptiste Onofré
>             Fix For: 3.0.0
>
>
> In Apache Karaf 3.0.0-SNAPSHOT shell treats sub-shell actions as commands, i.e. command
line "config --help" lead to exception:
> java.lang.NullPointerException
> 	at org.apache.karaf.shell.commands.basic.DefaultActionPreparator.prepare(DefaultActionPreparator.java:73)
> 	at org.apache.karaf.shell.commands.basic.AbstractCommand.execute(AbstractCommand.java:32)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.aries.proxy.impl.ProxyHandler$1.invoke(ProxyHandler.java:54)
> 	at org.apache.aries.proxy.impl.ProxyHandler.invoke(ProxyHandler.java:119)
> 	at org.apache.karaf.shell.console.commands.$BlueprintCommand1093027430.execute(Unknown
Source)
> 	at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)
> 	at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477)
> 	at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403)
> 	at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
> 	at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)
> 	at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)
> 	at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)
> 	at org.apache.karaf.shell.console.impl.jline.ConsoleImpl.run(ConsoleImpl.java:182)
> 	at java.lang.Thread.run(Thread.java:662)
> 	at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3.doRun(ConsoleFactoryService.java:102)
> 	at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3$1.run(ConsoleFactoryService.java:93)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:337)
> 	at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3.run(ConsoleFactoryService.java:91)
> And worst thing is that this bug makes "ssh" command unusable because shell trying to
execute "ssh" sub-shell action. This problem can be solved by using full command name "ssh:ssh",
but this is impossible in case of derived shell commands, for example "instance:connect".
> It seems shell should ignore sub-shell actions while resolving command with argument(s).

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