Hello Everyone!
I can't open html and jsp files with default editor Visual html/Jsp Designer,a error dialogue shows up with error message "An error log has occurred,see error log for detail".
And the error log as follows:
!ENTRY org.eclipse.jface 4 2 2006-09-15 13:39:45.250
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NoClassDefFoundError: com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
.....

!ENTRY org.eclipse.ui 4 4 2006-09-15 13:43:11.656
!MESSAGE Unhandled event loop exception

!ENTRY org.eclipse.ui 4 0 2006-09-15 13:43:11.671
!MESSAGE com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
!STACK 0
java.lang.NoClassDefFoundError: com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
....
!ENTRY org.eclipse.ui 4 4 2006-09-15 13:43:12.906
!MESSAGE Unhandled event loop exception

!ENTRY org.eclipse.ui 4 0 2006-09-15 13:43:12.906
!MESSAGE com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
!STACK 0
java.lang.NoClassDefFoundError: com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
....

!ENTRY org.eclipse.jface 4 2 2006-09-15 13:43:19.578
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NoClassDefFoundError: com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
.....
Did anyone encounter this problem befoer? how to solve?
Thanks![/img]

Please restart using -clean as outlined here:
http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-10280.html

Am trying to open JSP page (JSF)
Getting the following error
com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser

tried -clean option too.

support-rkalla wrote:

Please restart using -clean as outlined here: http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-10280.html

Infact after -clean, I started to get this error
ava.lang.ClassCastException: org.apache.xerces.jaxp.DocumentBuilderFactoryImpl
at javax.xml.parsers.DocumentBuilderFactory.newInstance(DocumentBuilderFactory.java:98)
at org.eclipse.jst.jsp.core.internal.util.CommonXML.getDocumentBuilder(CommonXML.java:48)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.getDocumentBuilder(DocumentProvider.java:144)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider._getParsedDocumentDOM2(DocumentProvider.java:83)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.getParsedDocument(DocumentProvider.java:334)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.load(DocumentProvider.java:392)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.getDocument(DocumentProvider.java:139)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.getDocument(DocumentProvider.java:134)
at org.eclipse.jst.jsp.core.internal.util.DocumentProvider.getRootElement(DocumentProvider.java:346)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.extractInfo(ProjectDescription.java:904)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.updateClasspathLibrary(ProjectDescription.java:1857)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.indexClasspath(ProjectDescription.java:1290)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.indexClasspath(ProjectDescription.java:1356)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.indexClasspath(ProjectDescription.java:1248)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.ensureUpTodate(ProjectDescription.java:891)
at org.eclipse.jst.jsp.core.taglib.ProjectDescription.getAvailableTaglibRecords(ProjectDescription.java:943)
at org.eclipse.jst.jsp.core.taglib.TaglibIndex.internalGetAvailableTaglibRecords(TaglibIndex.java:768)
at org.eclipse.jst.jsp.core.taglib.TaglibIndex.getAvailableTaglibRecords(TaglibIndex.java:437)

support-rkalla wrote:

Please restart using -clean as outlined here: http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-10280.html

[/quote]

drajamanik,
Please go to MyEclipse > Installation Summary > Installation Details and post that information here for us to see.