[jbosstools-issues] [JBoss JIRA] (JBIDE-19720) NPE in org.jboss.tools.common.model.util.EclipseResourceUtil.getJREClassPath

[Viacheslav Kabanovich (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-19720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068613#comment-13068613 ] 

Viacheslav Kabanovich commented on JBIDE-19720:
-----------------------------------------------

Thank you. Now we can fix it in our code.

Though, the fact that absolute and workspace-relative paths in Eclipse may coincide pointing to different existing resources looks like a potential source of problems.

> NPE in org.jboss.tools.common.model.util.EclipseResourceUtil.getJREClassPath
> ----------------------------------------------------------------------------
>
>                 Key: JBIDE-19720
>                 URL: https://issues.jboss.org/browse/JBIDE-19720
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: common/jst/core
>    Affects Versions: 4.2.3.Final
>         Environment: Mac OS X 10.10.3, java full version "1.8.0_25-b17"
>            Reporter: Valentin Baciu
>            Assignee: Viacheslav Kabanovich
>            Priority: Minor
>             Fix For: 4.3.0.Beta1
>
>
> java.lang.NullPointerException
> 	at org.jboss.tools.common.model.util.EclipseResourceUtil.getJREClassPath(EclipseResourceUtil.java:711)
> 	at org.jboss.tools.common.model.filesystems.impl.Libs.getNewPaths(Libs.java:141)
> 	at org.jboss.tools.common.model.filesystems.impl.Libs.update(Libs.java:108)
> 	at org.jboss.tools.common.model.util.EclipseResourceUtil.updateLibs(EclipseResourceUtil.java:535)
> 	at org.jboss.tools.common.model.util.EclipseResourceUtil.createObjectForResource(EclipseResourceUtil.java:417)
> 	at org.jboss.tools.jst.web.model.helpers.InnerModelHelper.createXModel(InnerModelHelper.java:40)
> 	at org.jboss.tools.jst.web.kb.internal.scanner.ClassPathMonitor.init(ClassPathMonitor.java:60)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.setProject(KbProject.java:202)
> 	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.jst.web.kb.KbProjectFactory.getKbProject(KbProjectFactory.java:71)
> 	at org.jboss.tools.jst.web.kb.KbProjectFactory.getKbProject(KbProjectFactory.java:38)
> 	at org.jboss.tools.jst.web.kb.internal.scanner.ClassPathMonitor.getKbProjects(ClassPathMonitor.java:193)
> 	at org.jboss.tools.jst.web.kb.internal.scanner.ClassPathMonitor.validateProjectDependencies(ClassPathMonitor.java:143)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.load(KbProject.java:347)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.resolveStorage(KbProject.java:315)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.resolve(KbProject.java:330)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.addKbProject(KbProject.java:216)
> 	at org.jboss.tools.jst.web.kb.internal.scanner.ClassPathMonitor.validateProjectDependencies(ClassPathMonitor.java:154)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.load(KbProject.java:347)
> 	at org.jboss.tools.jst.web.kb.internal.KbProject.resolveStorage(KbProject.java:315)
> 	at org.jboss.tools.jst.web.kb.internal.KbBuilder.build(KbBuilder.java:100)
> 	at org.jboss.tools.jst.web.kb.KbProjectFactory$1KbBuilderEx.build(KbProjectFactory.java:107)
> 	at org.jboss.tools.jst.web.kb.KbProjectFactory$1.run(KbProjectFactory.java:122)
> 	at org.jboss.tools.common.model.XJob.runInWorkspace(XJob.java:192)
> 	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> Another code path:
> java.lang.NullPointerException
> 	at org.jboss.tools.common.model.util.EclipseResourceUtil.getJREClassPath(EclipseResourceUtil.java:711)
> 	at org.jboss.tools.common.model.filesystems.impl.Libs.getNewPaths(Libs.java:141)
> 	at org.jboss.tools.common.model.filesystems.impl.Libs.update(Libs.java:108)
> 	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.update(AbstractClassPathMonitor.java:73)
> 	at org.jboss.tools.jsf.jsf2.bean.build.JSF2ProjectBuilder.build(JSF2ProjectBuilder.java:116)
> 	at org.jboss.tools.jsf.jsf2.bean.build.JSF2ProjectBuilder.<init>(JSF2ProjectBuilder.java:71)
> 	at org.jboss.tools.jsf.jsf2.bean.model.impl.JSF2Project.load(JSF2Project.java:261)
> 	at org.jboss.tools.jsf.jsf2.bean.model.impl.JSF2Project.resolveStorage(JSF2Project.java:247)
> 	at org.jboss.tools.jsf.jsf2.bean.model.impl.JSF2Project.resolve(JSF2Project.java:254)
> 	at org.jboss.tools.jsf.jsf2.bean.model.impl.JSF2Project$1.run(JSF2Project.java:172)
> 	at org.jboss.tools.common.model.XJob.runInWorkspace(XJob.java:192)
> 	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)



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