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Bug 335635

Summary:	NPE from "Refreshing outline" when terminal fragment has errors
Product:	[Modeling] TMF	Reporter:	Henrik Lindberg <henrik.lindberg>
Component:	Xtext	Assignee:	Jan Koehnlein <jan>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	jan, sven.efftinge, tmf.xtext-inbox
Version:	2.0.0	Flags:	sven.efftinge: indigo+
Target Milestone:	M5
Hardware:	All
OS:	All
Whiteboard:

Description Henrik Lindberg

2011-01-27 18:13:00 EST

Reproducible always:
In "MyDSL.xtext" editor enter:

terminal fragment : ;

When the line above is changed (inserting a space etc), a NPE is thrown:


java.lang.NullPointerException
at org.eclipse.jface.viewers.StyledString.append(StyledString.java:264)
at org.eclipse.jface.viewers.StyledString.<init>(StyledString.java:133)
at org.eclipse.xtext.xtext.ui.editor.outline.XtextOutlineTreeProvider._text(XtextOutlineTreeProvider.java:50)
at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:288)
at org.eclipse.xtext.xtext.ui.editor.outline.XtextOutlineTreeProvider._createNode(XtextOutlineTreeProvider.java:88)
at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:288)
at org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider.createNode(DefaultOutlineTreeProvider.java:104)
at org.eclipse.xtext.xtext.ui.editor.outline.XtextOutlineTreeProvider._createChildren(XtextOutlineTreeProvider.java:103)
at sun.reflect.GeneratedMethodAccessor45.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:288)
at org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider.createChildren(DefaultOutlineTreeProvider.java:77)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode$1.process(AbstractOutlineNode.java:80)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode$1.process(AbstractOutlineNode.java:1)
at org.eclipse.xtext.util.concurrent.IUnitOfWork$Void.exec(IUnitOfWork.java:36)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode$2.exec(AbstractOutlineNode.java:161)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode$2.exec(AbstractOutlineNode.java:1)
at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.readOnly(AbstractReadWriteAcces.java:32)
at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:86)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode.readOnly(AbstractOutlineNode.java:158)
at org.eclipse.xtext.ui.editor.outline.impl.AbstractOutlineNode.getChildren(AbstractOutlineNode.java:77)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob.restoreChildrenSelectionAndExpansion(OutlineRefreshJob.java:68)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob.restoreChildrenSelectionAndExpansion(OutlineRefreshJob.java:71)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob$1.exec(OutlineRefreshJob.java:60)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob$1.exec(OutlineRefreshJob.java:1)
at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.readOnly(AbstractReadWriteAcces.java:32)
at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:86)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob.refreshOutlineModel(OutlineRefreshJob.java:57)
at org.eclipse.xtext.ui.editor.outline.impl.OutlineRefreshJob.run(OutlineRefreshJob.java:46)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

Comment 1 Jan Koehnlein

2011-01-28 04:26:19 EST

Pushed to master.

Comment 2 Karsten Thoms

2017-09-19 17:15:59 EDT

Closing all bugs that were set to RESOLVED before Neon.0

Comment 3 Karsten Thoms

2017-09-19 17:27:25 EDT

Closing all bugs that were set to RESOLVED before Neon.0