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  1. WildFly Core
  2. WFCORE-2205

NPE thrown in jboss-cli while defining already defined StringListType attribute

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      1. Add Elytron extension /extension=org.wildfly.extension.elytron:add
      2. Add Elytron subsystem /subsystem=elytron:add
      3. Reload server :reload
      4. Try to define already defined parameter with StringListType (i.e. paste following command into jboss-cli) 
        /subsystem=elytron/provider-loader=providerLoader:add(providers=[{class-names=[com.example.Class]},class-names=[{com.example.AnotherClass}
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      Add Elytron extension /extension=org.wildfly.extension.elytron:add Add Elytron subsystem /subsystem=elytron:add Reload server :reload Try to define already defined parameter with StringListType (i.e. paste following command into jboss-cli) /subsystem=elytron/provider-loader=providerLoader:add(providers=[{class-names=[com.example.Class]},class-names=[{com.example.AnotherClass} Press Tab

      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.

      /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)

      Expected result:
      No NPE thrown, jboss-cli is not terminated.

              jdenise@redhat.com Jean Francois Denise
              jtymel Jan Tymel (Inactive)
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                Created:
                Updated:
                Resolved: