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Tomcat. This parser does not support specification null version null
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Solved javatomcattomcat7struts
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4

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I try to run a web application on oracle linux, tomcat 7 and jdk1.7 and I get an exception on first page load after tomcat restart. The exception occurs only at first application pageload. Application is developed on jdk1.6 and on a server is installed jdk1.4-compact and jdk1.7 but I entered jdk1.7 path to JAVA_HOME and JRE_HOME in tomcat/bin/setclasspath.sh file. Any ideas why I am getting this exception?

Jan 03, 2012 5:11:28 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 10261 ms
Jan 03, 2012 5:15:49 PM org.apache.commons.digester.Digester getParser
SEVERE: Digester.getParser: 
java.lang.UnsupportedOperationException: This parser does not support specification "null" version "null"
    at javax.xml.parsers.SAXParserFactory.setSchema(SAXParserFactory.java:419)
    at org.apache.commons.digester.Digester.getFactory(Digester.java:541)
    at org.apache.commons.digester.Digester.getParser(Digester.java:791)
    at org.apache.commons.digester.Digester.getXMLReader(Digester.java:1068)
    at org.apache.commons.digester.Digester.parse(Digester.java:1916)
    at org.apache.tiles.definition.digester.DigesterDefinitionsReader.read(DigesterDefinitionsReader.java:329)
    at org.apache.tiles.definition.dao.BaseLocaleUrlDefinitionDAO.loadDefinitionsFromURL(BaseLocaleUrlDefinitionDAO.java:276)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(CachingLocaleUrlDefinitionDAO.java:251)
    at org.apache.tiles.definition.dao.ResolvingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(ResolvingLocaleUrlDefinitionDAO.java:65)
    at org.apache.tiles.definition.dao.ResolvingLocaleUrlDefinitionDAO.loadParentDefinitions(ResolvingLocaleUrlDefinitionDAO.java:58)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(CachingLocaleUrlDefinitionDAO.java:239)
    at org.apache.tiles.definition.dao.ResolvingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(ResolvingLocaleUrlDefinitionDAO.java:65)
    at org.apache.tiles.definition.dao.ResolvingLocaleUrlDefinitionDAO.loadParentDefinitions(ResolvingLocaleUrlDefinitionDAO.java:58)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(CachingLocaleUrlDefinitionDAO.java:239)
    at org.apache.tiles.definition.dao.ResolvingLocaleUrlDefinitionDAO.loadDefinitionsFromURLs(ResolvingLocaleUrlDefinitionDAO.java:65)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.loadDefinitions(CachingLocaleUrlDefinitionDAO.java:222)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.checkAndloadDefinitions(CachingLocaleUrlDefinitionDAO.java:204)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.getDefinitions(CachingLocaleUrlDefinitionDAO.java:154)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.getDefinition(CachingLocaleUrlDefinitionDAO.java:123)
    at org.apache.tiles.definition.dao.CachingLocaleUrlDefinitionDAO.getDefinition(CachingLocaleUrlDefinitionDAO.java:54)
    at org.apache.tiles.definition.UnresolvingLocaleDefinitionsFactory.getDefinition(UnresolvingLocaleDefinitionsFactory.java:105)
    at org.apache.tiles.impl.BasicTilesContainer.getDefinition(BasicTilesContainer.java:364)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:618)
    at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)
    at org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:105)
    at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
    at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:373)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:277)
    at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
    at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)
    at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
    at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:722)
Dendro answered 3/1, 2012 at 16:7 Comment(1)
check this #2103094 – Cavanaugh
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7

Do you have two xml digester on classpath? Try removing one.

Fleawort answered 18/9, 2012 at 21:10 Comment(1)
Do you have example digester to look for? – Geulincx
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There are some significant library change (I don't know in details)from jdk1.6 to jdk1.7. I faced the similar types of problem in my system also. For temporary work around you can just point jdk1.6 in JAVA_HOME and JRE_HOME instead of jdk 1.7

Abirritant answered 3/1, 2012 at 16:21 Comment(0)
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I was getting the same issue while deploying one war from Tomcat(8.5.60) and the one thing which worked for me was that I added below properties in %APACHE_HOME%\conf\catalina.properties file and restarted tomcat -

javax.xml.parsers.DocumentBuilderFactory=com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl
javax.xml.transform.TransformerFactory=com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl
javax.xml.parsers.SAXParserFactory=com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl
javax.xml.datatype.DatatypeFactory=com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl
Airspeed answered 1/3, 2021 at 19:23 Comment(0)
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This issue comes due to javasist version conflict. Add exclusion in your theamleasf artifact, It will solve your issue.

Mallina answered 12/12, 2015 at 19:30 Comment(0)

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