[jbosstools-issues] [JBoss JIRA] Updated: (JBIDE-2566) Almost any editing of pages.xml throws a lot of NPE.

[Alexey Kazakov (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBIDE-2566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Kazakov updated JBIDE-2566:
----------------------------------

    Workaround Description: When we edit <pages> tag or schema/dtd declaration our x-model changes root entity. And we should remove the tree listener after that. But diagram doesn't do it. So now we have commited a temporary solution. It removes the wrong listener in PagesModelImpl but we should to do it earlier. It's ok for alpha but let's fix it properly for beta.
             Fix Version/s: 3.0.0.beta1
                                (was: 3.0.0.alpha)
                  Assignee: Daniel Azarov  (was: Viacheslav Kabanovich)


> Almost any editing of pages.xml throws a lot of NPE.
> ----------------------------------------------------
>
>                 Key: JBIDE-2566
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-2566
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Seam
>    Affects Versions: 3.0.0.alpha
>            Reporter: Alexey Kazakov
>            Assignee: Daniel Azarov
>            Priority: Critical
>             Fix For: 3.0.0.beta1
>
>
> EXECUTE: Create seam project.
> EXECUTE: Open pages.xml
> EXECUTE: Edit <pages... -> <ages..
> EXECUTE: Save the file.
> There are a lot of NPE in log:
> java.lang.NullPointerException
> 	at java.lang.String.startsWith(String.java:1252)
> 	at java.lang.String.startsWith(String.java:1281)
> 	at org.jboss.tools.seam.ui.pages.editor.ecore.pages.impl.PagesModelImpl$ML.structureChanged(PagesModelImpl.java:332)
> 	at org.jboss.tools.common.model.impl.XModelImpl$2.run(XModelImpl.java:493)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> 	at org.jboss.tools.common.model.impl.XModelImpl.fireStructureChanged(XModelImpl.java:489)
> 	at org.jboss.tools.common.model.impl.XModelObjectImpl.fireStructureChanged(XModelObjectImpl.java:404)
> 	at org.jboss.tools.seam.pages.xml.model.impl.SeamPagesDiagramImpl.firePrepared(SeamPagesDiagramImpl.java:36)
> 	at org.jboss.tools.seam.pages.xml.model.SeamPagesFileLoader.reloadProcess(SeamPagesFileLoader.java:122)
> 	at org.jboss.tools.seam.pages.xml.model.SeamPagesFileLoader.load(SeamPagesFileLoader.java:90)
> 	at org.jboss.tools.common.model.filesystems.impl.AbstractExtendedXMLFileImpl.loadChildren(AbstractExtendedXMLFileImpl.java:100)
> 	at org.jboss.tools.common.model.filesystems.impl.AbstractExtendedXMLFileImpl.get(AbstractExtendedXMLFileImpl.java:47)
> 	at org.jboss.tools.common.meta.constraint.XAdapter.getProperty(XAdapter.java:24)
> 	at org.jboss.tools.common.model.impl.XModelObjectImpl.get_0(XModelObjectImpl.java:129)
> 	at org.jboss.tools.common.model.impl.XModelObjectImpl.getAttributeValue(XModelObjectImpl.java:152)
> 	at org.jboss.tools.jst.web.model.AbstractWebFileImpl.getAsText(AbstractWebFileImpl.java:50)
> 	at org.jboss.tools.common.model.filesystems.impl.AbstractExtendedXMLFileImpl.edit(AbstractExtendedXMLFileImpl.java:153)
> 	at org.jboss.tools.seam.pages.xml.model.SeamPagesFileLoader.update(SeamPagesFileLoader.java:133)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.reload(FolderImpl.java:539)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.updateLoaded(FolderImpl.java:471)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.update(FolderImpl.java:307)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.updateLoaded(FolderImpl.java:456)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.update(FolderImpl.java:307)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.updateLoaded(FolderImpl.java:456)
> 	at org.jboss.tools.common.model.filesystems.impl.FolderImpl.update(FolderImpl.java:307)
> 	at org.jboss.tools.common.model.filesystems.impl.FileSystemFolderLoader.update(FileSystemFolderLoader.java:28)
> 	at org.jboss.tools.common.model.filesystems.impl.FileSystemsLoader.update(FileSystemsLoader.java:65)
> 	at org.jboss.tools.common.model.filesystems.impl.FileSystemsImpl.doUpdate(FileSystemsImpl.java:279)
> 	at org.jboss.tools.common.model.filesystems.impl.FileSystemsImpl.access$4(FileSystemsImpl.java:273)
> 	at org.jboss.tools.common.model.filesystems.impl.FileSystemsImpl$UpdateRunnable.run(FileSystemsImpl.java:266)
> 	at org.jboss.tools.common.model.XJob.run(XJob.java:124)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
> After that pages xml editor keeps throwing NPE after every build until you restart eclipse.

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