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

[Alexey Kazakov (JIRA)]

Almost any editing of pages.xml throws a lot of NPE.
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                 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: Viacheslav Kabanovich
            Priority: Critical
             Fix For: 3.0.0.alpha


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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