Servlet is throwing Exception only in jboss 6 not in jboss 5.1
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet.init() for servlet rajasekhart threw exception org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) java.lang.Thread.run(Thread.java:619)
root cause
java.lang.LinkageError: loader constraint violation: when resolving method "javax.xml.parsers.SAXParser.parse(Lorg/xml/sax/InputSource;Lorg/xml/sax/HandlerBase;)V" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the current class, com/rajasekhart/systemi/server/common/base/ControllerBase, and the class loader (instance of <bootloader>) for resolved class, javax/xml/parsers/SAXParser, have different Class objects for the type org/xml/sax/InputSource used in the signature com.rajasekhart.systemi.server.common.base.ControllerBase.readConfigFile(ControllerBase.java:561) com.rajasekhart.systemi.server.common.base.ControllerBase.init(ControllerBase.java:368) com.rajasekhart.systemi.client.servlet.FrontController.init(FrontController.java:93) com.rajasekhart.systemi.client.servlet.Dispatcher.init(Dispatcher.java:32) org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) java.lang.Thread.run(Thread.java:619)
note The full stack trace of the root cause is available in the JBoss Web/3.0.0-CR1 logs.
JBoss Web/3.0.0-CR1