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Bug 363509

Summary:	[serializer] NPE during serialization
Product:	[Modeling] TMF	Reporter:	Moritz Eysholdt <moritz.eysholdt>
Component:	Xtext	Assignee:	Project Inbox <tmf.xtext-inbox>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	P3	Flags:	moritz.eysholdt: juno+
Version:	2.1.1
Target Milestone:	M4
Hardware:	PC
OS:	Mac OS X - Carbon (unsup.)
Whiteboard:

Description Moritz Eysholdt

2011-11-10 12:18:31 EST

java.lang.NullPointerException
	at org.eclipse.emf.ecore.impl.EClassImpl.getFeatureID(EClassImpl.java:1448)
	at org.eclipse.xtext.serializer.analysis.SemanticSequencerNfaProvider$SemState.getFeatureID(SemanticSequencerNfaProvider.java:100)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer$FollowerSorter.compare(BacktrackingSemanticSequencer.java:76)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer$FollowerSorter.compare(BacktrackingSemanticSequencer.java:1)
	at java.util.Arrays.mergeSort(Arrays.java:1270)
	at java.util.Arrays.mergeSort(Arrays.java:1282)
	at java.util.Arrays.mergeSort(Arrays.java:1282)
	at java.util.Arrays.sort(Arrays.java:1210)
	at java.util.Collections.sort(Collections.java:159)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer$1.sortFollowers(BacktrackingSemanticSequencer.java:415)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer$1.sortFollowers(BacktrackingSemanticSequencer.java:1)
	at org.eclipse.xtext.util.formallang.NfaUtil.backtrack(NfaUtil.java:147)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:400)

Comment 1 Moritz Eysholdt

2011-11-18 04:20:08 EST

fixed. pushed to 'master' and '2.1.x_Maintenance'.

The problem was that some state machines referred to EStructuralFeatures that were not member of the to-be-serialized EObject's EClass.

Comment 2 Karsten Thoms

2017-09-19 17:14:40 EDT

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

Comment 3 Karsten Thoms

2017-09-19 17:26:17 EDT

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