[jboss-jira] [JBoss JIRA] (WFLY-8458) NPE when MBean does not have no-arg constructor

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413826#comment-13413826 ] 

RH Bugzilla Integration commented on WFLY-8458:
-----------------------------------------------

Radovan STANCEL <rstancel at redhat.com> changed the Status of [bug 1436390|https://bugzilla.redhat.com/show_bug.cgi?id=1436390] from POST to MODIFIED

> NPE when MBean does not have no-arg constructor
> -----------------------------------------------
>
>                 Key: WFLY-8458
>                 URL: https://issues.jboss.org/browse/WFLY-8458
>             Project: WildFly
>          Issue Type: Bug
>          Components: JMX, Server
>    Affects Versions: 11.0.0.Alpha1
>            Reporter: Chao Wang
>            Assignee: Chao Wang
>             Fix For: 11.0.0.Beta1
>
>
> NPE when MBean does not have no-arg constructor, it should log an error message indicating the issue rather than NPE
> {code}
> 15:05:48,605 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-8) MSC000001: Failed to start service jboss.deployment.unit."jboss-helloworld-dynamicmbean-helloworld-mbean-service.sar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."jboss-helloworld-dynamicmbean-helloworld-mbean-service.sar".INSTALL: WFLYSRV0153: Failed to process phase INSTALL of deployment "jboss-helloworld-dynamicmbean-helloworld-mbean-service.sar"
> 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:172)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:2032)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1955)
> 	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)
> Caused by: java.lang.IllegalArgumentException: WFLYSAR0004: Class not instantiated
> 	at org.jboss.as.service.ReflectionUtils.newInstance(ReflectionUtils.java:133)
> 	at org.jboss.as.service.ParsedServiceDeploymentProcessor.newInstance(ParsedServiceDeploymentProcessor.java:283)
> 	at org.jboss.as.service.ParsedServiceDeploymentProcessor.addServices(ParsedServiceDeploymentProcessor.java:129)
> 	at org.jboss.as.service.ParsedServiceDeploymentProcessor.deploy(ParsedServiceDeploymentProcessor.java:118)
> 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:165)
> 	... 5 more
> Caused by: java.lang.NullPointerException
> 	at org.jboss.as.service.ReflectionUtils.newInstance(ReflectionUtils.java:131)
> 	... 9 more
> {code}



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