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Bug 321794

Summary:

ClassCast exception can occur while updating XML model adapted to two EMF models

Product:

[WebTools] WTP Source Editing

Reporter:

Chuck Bridgham <cbridgha>

Component:

wst.xml

Assignee:

Chuck Bridgham <cbridgha>

Status:

RESOLVED FIXED

QA Contact:

Nitin Dahyabhai <thatnitind>

Severity:

normal

Priority:

CC:

ccc, david_williams, nsand.dev, thatnitind

Version:

3.0.5

Flags:

ccc: review+
thatnitind: review+

Target Milestone:

3.0.5 P

Hardware:

OS:

Windows 7

Whiteboard:

Bug Depends on:

319937

Bug Blocks:

Attachments:

Description	Flags
patch for 305P	none

Description Chuck Bridgham

2010-08-04 16:20:26 EDT

+++ This bug was initially created as a clone of Bug #319937 +++

An adopter product is getting  a class cast exception on a few scenarios where the wrong EMF2DOM Adapter is retrieved..

Exception follows:

!ENTRY org.eclipse.wst.sse.core 4 4 2010-06-17 09:17:44.500
!MESSAGE A structured model client, EMF2DOMSSEAdapter(web-app,WebAppImpl) threw following exception during adapter notification (STRUCTURE_CHANGED )
!STACK 0
java.lang.ClassCastException: org.eclipse.jst.javaee.web.internal.impl. ServletImpl incompatible with org.eclipse.jst.j2ee.webapplication.WebTy pe
    at org.eclipse.jst.j2ee.webapplication.internal. impl.ServletImpl.eSet(ServletImpl.java:49 6)
    at org.eclipse.emf.ecore.impl.BasicEObjectImpl. eSet(BasicEObjectImpl.java:1081)
  ;   at org.eclipse.wst.common.internal.emf.utilities. ExtendedEcoreUtil.eSetOrAdd(ExtendedEcoreUtil. java:79)
    at org.eclipse.wst.common.internal.emf.resource. Translator.setMOFValue(Translator.java:62 0)
    at org.eclipse.wst.common.internal.emf.resource. Translator.setMOFValue(Translator.java:63 5)
    at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.primUpdateMOFFeature(E MF2DOMAdapterImpl.java:1497)
 &nb sp;  at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.updateMOFFeature(EMF2D OMAdapterImpl.java:1840)
  & nbsp; at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.primUpdateMOF(EMF2DOMAdapterImpl. java:993)
    at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.updateMOF(EMF2DOMAdapterImpl. java:973)
    at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.primUpdateMOFMultiFeat ure(EMF2DOMAdapterImpl.java:482)
  ;   at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.primUpdateMOFMultiFeat ure(EMF2DOMAdapterImpl.java:1553)
&nbs p;   at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.updateMOFMultiFeature( EMF2DOMAdapterImpl.java:1767)
 &n bsp;  at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.updateMOFFeature(EMF2D OMAdapterImpl.java:1822)
  & nbsp; at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.primUpdateMOF(EMF2DOMAdapterImpl. java:993)
    at org.eclipse.wst.common.internal.emf.resource. EMF2DOMAdapterImpl.updateMOF(EMF2DOMAdapterImpl. java:973)
    at org.eclipse.wst.xml.core.internal.emf2xml. EMF2DOMSSEAdapter.notifyChanged(EMF2DOMSSEAdapter. java:230)
    at org.eclipse.wst.sse.core.internal.provisional. AbstractNotifier.notify(AbstractNotifier. java:202)
    at org.eclipse.wst.xml.core.internal.document. XMLModelNotifierImpl.notifyStructureChang

Comment 1 Chuck Bridgham

2010-08-04 16:22:16 EDT

Created attachment 175887 [details]
patch for 305P

Comment 2 Carl Anderson

2010-08-04 22:29:11 EDT

I approve of this bug.

Comment 3 Chuck Bridgham

2010-08-05 09:47:32 EDT

Moving over to you Nitin, for approval and checkin

Comment 4 Nitin Dahyabhai

2010-08-09 01:38:07 EDT

Approved, but this business of having more than one object for the same "adapter" type still feels wrong.

Comment 5 Nick Sandonato

2011-06-27 16:45:23 EDT

Code was checked in on 8/6/10.