[jbosstools-issues] [JBoss JIRA] (JBIDE-11703) NPE in CDI ClassPathMonitor

[Viacheslav Kabanovich (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-11703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689036#comment-12689036 ] 

Viacheslav Kabanovich commented on JBIDE-11703:
-----------------------------------------------

I cannot reproduce it.
Fred, do you have this exception every time, or some specific steps lead to it?
Did you have other exceptions before this, which could mean that the model could not be load properly because of them.
This NPE cannot be fixed by a simple null check, the expected object should not be null at this point, if it is null, we have to understand why.
                
> NPE in CDI ClassPathMonitor
> ---------------------------
>
>                 Key: JBIDE-11703
>                 URL: https://issues.jboss.org/browse/JBIDE-11703
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: CDI
>    Affects Versions: 3.3.0.Beta3
>         Environment: org.jboss.tools.cdi.core_1.2.0.v20120423-2044-H1070-Beta3.jar
>            Reporter: Fred Bricon
>            Assignee: Viacheslav Kabanovich
>             Fix For: 3.3.0.CR1
>
>
> While importing a HTML5 project from Openshift, I got that NPE : 
> {noformat}
> org.jboss.tools.common.validation.JBTValidationException
> 	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:101)
> 	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> Caused by: java.lang.NullPointerException
> 	at org.jboss.tools.cdi.internal.core.scanner.lib.ClassPathMonitor.init(ClassPathMonitor.java:53)
> 	at org.jboss.tools.cdi.core.CDICoreNature.setProject(CDICoreNature.java:111)
> 	at org.eclipse.core.internal.resources.NatureManager.createNature(NatureManager.java:234)
> 	at org.eclipse.core.internal.resources.Project.getNature(Project.java:448)
> 	at org.jboss.tools.cdi.core.CDICorePlugin.getCDINature(CDICorePlugin.java:137)
> 	at org.jboss.tools.cdi.core.CDICorePlugin.getCDI(CDICorePlugin.java:145)
> 	at org.jboss.tools.cdi.internal.core.validation.CDIProjectTree.addProject(CDIProjectTree.java:56)
> 	at org.jboss.tools.cdi.internal.core.validation.CDIProjectTree.<init>(CDIProjectTree.java:44)
> 	at org.jboss.tools.cdi.internal.core.validation.CDICoreValidator.getProjectTree(CDICoreValidator.java:226)
> 	at org.jboss.tools.cdi.internal.core.validation.CDICoreValidator.getValidatingProjects(CDICoreValidator.java:221)
> 	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:97)
> 	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:43)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:162)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:154)
> 	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
> 	... 2 more
> {noformat}

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