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Re: [wtp-dev] "java indexing" thread causes high cpu load after build
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Hi Nicolas,
thank you for your answer.
Filtering some files because of some rules (e.g. derived state) would
be very cool.
Should I log an enhancement request?
Btw: I locally changed the WTP sources to not consider derived
ressources using the PDE.
How can I create a patched plugin/feature patch to make these changes
persistent and to share them with my colleagues?
Best regards,
Patric
Quoting NICHOLAS SANDONATO <nsandona@xxxxxxxxxx>:
Hi Patric,
This indexing of JSPs is so that Java references in them can be used for
search and refactoring. Right now, there is no way to disable this
indexing as it potentially removes a lot of functionality. The preference
to include JSP matches in Java searches pertains only to the reporting in
the view and not to the actual indexing of these files. We would likely
be able to enhance the indexer to ignore particular files based on some
rules like if it's derived.
From:
Patric Rufflar <patric@xxxxxxxxxxx>
To:
wtp-dev@xxxxxxxxxxx
Date:
03/11/2011 12:43 PM
Subject:
[wtp-dev] "java indexing" thread causes high cpu load after build
Sent by:
wtp-dev-bounces@xxxxxxxxxxx
Hello,
I am experiencing the reproducible problem that
the java indexing thread causes high cpu load for several minutes
after a build took place.
My build procedure includes a special builder which (more or less)
copies all jsps to another directory in my project (and marks these
copies as derived).
All Web/WTP validators are configured as suspended in the preference
dialog.
Please have a look at the following thread dump which has been taken
after a build finished and while the cpu usage can be seen:
(although I cannot see any active background tasks in the progress
monitor)
org.eclipse.jst.jsp.core.internal.parser.internal.JSPTokenizer.primGetNextToken()
(line:
2120)
org.eclipse.jst.jsp.core.internal.parser.internal.JSPTokenizer.getNextToken()
(line: 1643)
org.eclipse.wst.xml.core.internal.parser.XMLSourceParser.getNextRegion()
(line: 189)
org.eclipse.jst.jsp.core.internal.parser.JSPSourceParser.parseNodes()
(line: 237)
org.eclipse.wst.xml.core.internal.parser.XMLSourceParser.getDocumentRegions()
(line: 173)
org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser._core_reparse_text(int,
int)
org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser.core_reparse(int,
int, org.eclipse.wst.sse.core.internal.text.CoreNodeList, boolean) (line:
710)
org.eclipse.jst.jsp.core.internal.parser.JSPReParser.reparse(org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion,
org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion)
(line:
143)
org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser.reparse()
(line: 1291)
org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.updateModel(java.lang.Object,
int, int, java.lang.String) (line:
2709)
org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.internalReplaceText(java.lang.Object,
int, int, java.lang.String, long, boolean) (line:
1923)
org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.replaceText(java.lang.Object,
int, int, java.lang.String, long, boolean) (line:
2419)
org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.setText(java.lang.Object,
java.lang.String) (line:
2606)
org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument.setText(java.lang.Object,
java.lang.String) (line:
188)
org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.set(java.lang.String)
(line:
2481)
org.eclipse.jst.jsp.core.internal.java.XMLJSPRegionHelper.parse(java.lang.String)
(line:
159)
org.eclipse.jst.jsp.core.internal.java.JSPTranslator.handleIncludeFile(java.lang.String)
(line:
2310)
org.eclipse.jst.jsp.core.internal.java.JSPTranslator.translateDirective(java.util.Iterator)
(line:
2033)
org.eclipse.jst.jsp.core.internal.java.JSPTranslator.translateJSPNode(org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion,
java.util.Iterator, java.lang.String, int) (line:
1766)
org.eclipse.jst.jsp.core.internal.java.JSPTranslator.translateRegionContainer(org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionCollection,
int) (line:
1349)
org.eclipse.jst.jsp.core.internal.java.JSPTranslator.translate() (line:
1127)
org.eclipse.jst.jsp.core.internal.java.JSPTranslationAdapter.getJSPTranslation()
(line:
153)
org.eclipse.jst.jsp.core.internal.java.search.JSPSearchDocument.getJSPTranslation()
(line:
120)
org.eclipse.jst.jsp.core.internal.java.search.JSPSearchDocument.getCharContents()
(line:
77)
org.eclipse.jst.jsp.core.internal.java.search.JavaSearchDocumentDelegate.getCharContents()
org.eclipse.jdt.internal.core.search.indexing.SourceIndexer.indexDocument()
(line: 60)
org.eclipse.jdt.internal.core.search.JavaSearchParticipant.indexDocument(org.eclipse.jdt.core.search.SearchDocument,
org.eclipse.core.runtime.IPath) (line:
72)
org.eclipse.jst.jsp.core.internal.java.search.JSPSearchParticipant.indexDocument(org.eclipse.jdt.core.search.SearchDocument,
org.eclipse.core.runtime.IPath) (line:
72)
org.eclipse.jdt.internal.core.search.indexing.IndexManager.indexDocument(org.eclipse.jdt.core.search.SearchDocument,
org.eclipse.jdt.core.search.SearchParticipant,
org.eclipse.jdt.internal.core.index.Index, org.eclipse.core.runtime.IPath)
(line:
453)
org.eclipse.jdt.internal.core.search.indexing.IndexManager$1.execute(org.eclipse.core.runtime.IProgressMonitor)
(line:
853)
org.eclipse.jdt.internal.core.search.processing.JobManager.run() (line:
404)
java.lang.Thread.run() (line: 662)
"Include JSP matches in Java searches" is disabled.
I am using the most recent Eclipse 3.6.2 / WTP 3.2.3
My questions:
- What does this java indexing do in my case?
- Is this is bug? Or did I miss an important configuration option?
- Is there a workaround? Can I disable this indexing or at least for
all derived files?
Thank you and best regards,
Patric
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