WEB-tier is broken with: "java.lang.LinkageError: loader con
shel May 3, 2005 10:39 PMI have just installed new JBoss-4.0.2 final (date=200505022023) and my web tier is suddenly broken. I didn't change anything and it was ok on all previous JBoss versions: 4.0.0, 4.0.2-RC1 and even recently taken from cvs 4.0.2 (date=200504260956) Branch_4_0.
For the moment i rolled back to JBoss-4.0.2RC1 to be able to continue development.
14:29:52,313 ERROR [[KAServlet]] Servlet.service() for servlet KAServlet threw exception
java.lang.LinkageError: loader constraints violated when linking com/plesk/ka/model/user/UserInfo class
at com.plesk.ka.web.services.UserManagerService.getUser(UserManagerService.java:105)
at com.plesk.ka.web.actions.LoginAction.perform(LoginAction.java:35)
at com.plesk.ka.web.servlet.KAServlet.doGet(KAServlet.java:124)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:534)
UserInfo class is present in both ka.jar and ka.war (as far as it's a model package class).
what's wrong?