[jboss-jira] [JBoss JIRA] (WFLY-7895) NPE thrown in jboss-cli while defining already defined StringListType attribute

[Brian Stansberry (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-7895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13349811#comment-13349811 ] 

Brian Stansberry commented on WFLY-7895:
----------------------------------------

Please move this to WFCORE. Tab completion is a client side issue so CLI component only. Please assign to Jean-Francois Denise.

> NPE thrown in jboss-cli while defining already defined StringListType attribute
> -------------------------------------------------------------------------------
>
>                 Key: WFLY-7895
>                 URL: https://issues.jboss.org/browse/WFLY-7895
>             Project: WildFly
>          Issue Type: Bug
>          Components: CLI, Security
>            Reporter: Jan Tymel
>            Assignee: Jason Greene
>
> NullPointerException is thrown when user tries to define already (i.e. previously in current command) defined StringListType attribute. This attempt results in following stack trace and termination of jboss-cli.
> {code}
> /subsystem=elytron/provider-loader=providerLoader:add(providers=[{class-names=[com.example.Class]},class-names=[{com.example.AnotherClass}Exception in thread "Aesh Process Loop 749282235" java.lang.NullPointerException
> 	at org.jboss.as.cli.impl.DeploymentItemCompleter.getCandidates(DeploymentItemCompleter.java:80)
> 	at org.jboss.as.cli.impl.DeploymentItemCompleter.complete(DeploymentItemCompleter.java:53)
> 	at org.jboss.as.cli.impl.ValueTypeCompleter$ValueTypeCallbackHandler.getCandidatesFromMetadata(ValueTypeCompleter.java:433)
> 	at org.jboss.as.cli.impl.ValueTypeCompleter$ValueTypeCallbackHandler.getSimpleValues(ValueTypeCompleter.java:690)
> 	at org.jboss.as.cli.impl.ValueTypeCompleter$ValueTypeCallbackHandler.getCandidates(ValueTypeCompleter.java:573)
> 	at org.jboss.as.cli.impl.ValueTypeCompleter.complete(ValueTypeCompleter.java:346)
> 	at org.jboss.as.cli.operation.OperationRequestCompleter.complete(OperationRequestCompleter.java:276)
> 	at org.jboss.as.cli.operation.OperationRequestCompleter.complete(OperationRequestCompleter.java:89)
> 	at org.jboss.as.cli.CommandCompleter.doComplete(CommandCompleter.java:137)
> 	at org.jboss.as.cli.CommandCompleter.complete(CommandCompleter.java:64)
> 	at org.jboss.as.cli.impl.Console$Factory$1$1.complete(Console.java:143)
> 	at org.jboss.aesh.console.AeshCompletionHandler.complete(AeshCompletionHandler.java:155)
> 	at org.jboss.aesh.console.AeshInputProcessor.complete(AeshInputProcessor.java:429)
> 	at org.jboss.aesh.console.AeshInputProcessor.parseOperation(AeshInputProcessor.java:166)
> 	at org.jboss.aesh.console.Console.processInternalOperation(Console.java:775)
> 	at org.jboss.aesh.console.Console.execute(Console.java:735)
> 	at org.jboss.aesh.console.Console.access$900(Console.java:73)
> 	at org.jboss.aesh.console.Console$6.run(Console.java:644)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> Expected result:
> No NPE thrown, jboss-cli is not terminated.



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