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Posted to issues@tiles.apache.org by "Antonio Petrelli (JIRA)" <ji...@apache.org> on 2010/06/02 12:53:39 UTC
[jira] Closed: (TILES-505) DefinitionsFactoryException: XML error
reading definitions under large load
[ https://issues.apache.org/jira/browse/TILES-505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antonio Petrelli closed TILES-505.
----------------------------------
Resolution: Incomplete
Closed, the reporter did not give enough information to verify the bug.
> DefinitionsFactoryException: XML error reading definitions under large load
> ---------------------------------------------------------------------------
>
> Key: TILES-505
> URL: https://issues.apache.org/jira/browse/TILES-505
> Project: Tiles
> Issue Type: Bug
> Components: tiles-core
> Affects Versions: 2.0.0
> Environment: Tomcat 5.5.27, Struts 2.0.6.
> Reporter: Boxiong Ding
>
> I am using Struts 2.0.6, Tiles 2.0 and Tomcat 5.5.27. The application runs fine in the past, but recently we did some load testing and get the following exception intermittently during load test:
> 2010-04-08 05:51:09,970 ERROR [http-443-Processor22] ? - End event threw exception
> java.lang.NoSuchMethodException: No such accessible method: addAttribute() on object: org.apache.tiles.definition.digester.DigesterDefinitionsReader
> at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:250)
> at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:208)
> at org.apache.commons.digester.Rule.end(Rule.java:228)
> at org.apache.commons.digester.Digester.endElement(Digester.java:1067)
> at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
> at org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(Unknown Source)
> at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at org.apache.commons.digester.Digester.parse(Digester.java:1591)
> at org.apache.tiles.definition.digester.DigesterDefinitionsReader.read(DigesterDefinitionsReader.java:158)
> at org.apache.tiles.definition.UrlDefinitionsFactory.readDefinitions(UrlDefinitionsFactory.java:257)
> at org.apache.tiles.definition.UrlDefinitionsFactory.getComponentDefinitions(UrlDefinitionsFactory.java:116)
> at org.apache.tiles.definition.UrlDefinitionsFactory.getDefinition(UrlDefinitionsFactory.java:136)
> at org.apache.tiles.impl.BasicTilesContainer.getDefinition(BasicTilesContainer.java:463)
> at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:363)
> at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:345)
> at org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:107)
> at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178)
> at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:343)
> and immediately with the following exceptions:
> 2010-04-08 05:51:09,970 ERROR [http-443-Processor38] ? - ApplicationSessionAwareInterceptor:
> org.apache.tiles.definition.DefinitionsFactoryException: XML error reading definitions.
> at org.apache.tiles.definition.digester.DigesterDefinitionsReader.read(DigesterDefinitionsReader.java:161)
> at org.apache.tiles.definition.UrlDefinitionsFactory.readDefinitions(UrlDefinitionsFactory.java:257)
> at org.apache.tiles.definition.UrlDefinitionsFactory.getComponentDefinitions(UrlDefinitionsFactory.java:116)
> at org.apache.tiles.definition.UrlDefinitionsFactory.getDefinition(UrlDefinitionsFactory.java:136)
> at org.apache.tiles.impl.BasicTilesContainer.getDefinition(BasicTilesContainer.java:463)
> at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:363)
> at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:345)
> at org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:107)
> at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178)
> at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:343)
> Both exceptions are from DigesterDefinitionsReader.java and root cause for the second one is "org.xml.sax.SAXException: FWK005 parse may not be called while parsing.".
> I am wondering if tiles is thread safe in reading xml definitions. What I understand is it is using Xerces parser to parse tiles.xml, but Xerces parser is not thread safe [http://xerces.apache.org/xerces2-j/faq-dom.html], so there should be some synchronization.
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