We have fixed the JSP class loading issues some time ago. Please check whether javax.activation.* package is duplicated in somewhere
Thanks, Sameera On Wed, Jun 8, 2011 at 3:43 PM, Afkham Azeez <[email protected]> wrote: > JSPs are loaded from a separate classloader. The workaround for this is to > put your code into a Java class and call that from the JSP. We need to > properly fix this though; wherever we have duplicated JARs we will see such > problems. > > > On Wed, Jun 8, 2011 at 3:41 PM, Amani Soysa <[email protected]> wrote: > >> Hi, >> >> Following exception occurs when trying to call DataHandler objects in jsp >> >> [2011-06-08 15:32:16,777] ERROR >> {org.apache.catalina.core.ContainerBase.[Tomcat].[defaulthost].[/].[bridgeservlet]} >> - Servlet.service() for servlet [bridgeservlet] in context with path [/] >> threw exception [Exception in JSP: /log-view/downloadgz-ajaxprocessor.jsp:71 >> >> 68: serviceName = (serviceName == null) ? "WSO2 Stratos Manager" : >> serviceName; >> 69: >> *70: DataHandler logs = >> logViewerClient.downloadLogsFromZip(downloadFile,tenantDomain,serviceName); >> 71: InputStream fileToDownload = logs.getInputStream();* >> 72: int c; >> 73: while((c=fileToDownload.read()) != -1){ >> 74: zipOutputStream.write(c); >> >> >> Stacktrace:] with root cause >> java.lang.LinkageError: loader constraint violation: loader (instance of >> org/apache/jasper/servlet/JasperLoader) previously initiated loading for a >> different type with name "javax/activation/DataHandler" >> at >> org.apache.jsp.log_002dview.downloadgz_002dajaxprocessor_jsp._jspService(downloadgz_002dajaxprocessor_jsp.java:137) >> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >> at >> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332) >> at >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) >> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >> at org.wso2.carbon.ui.JspServlet.service(JspServlet.java:119) >> at org.wso2.carbon.ui.TilesJspServlet.service(TilesJspServlet.java:80) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >> at >> org.eclipse.equinox.http.helper.ContextPathServletAdaptor.service(ContextPathServletAdaptor.java:36) >> at >> org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90) >> at >> org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111) >> at >> org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >> at >> org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:155) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) >> at >> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) >> at org.wso2.carbon.server.TomcatServer$1.invoke(TomcatServer.java:241) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399) >> at >> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:396) >> at >> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:356) >> at >> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1534) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >> at java.lang.Thread.run(Thread.java:662) >> >> >> Note :- axiom-1.2.11.wso2v1.jar bundle is coppied in both /lib/api/ and >> repository/components/plugins/ locations >> >> >> Regards >> Amani >> >> >> _______________________________________________ >> Carbon-dev mailing list >> [email protected] >> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >> >> > > > -- > *Afkham Azeez* > Director of Architecture; WSO2, Inc.; http://wso2.com > Member; Apache Software Foundation; http://www.apache.org/ > * <http://www.apache.org/>** > email: **[email protected]* <[email protected]>* cell: +94 77 3320919 > blog: **http://blog.afkham.org* <http://blog.afkham.org>* > twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> > * > linked-in: **http://lk.linkedin.com/in/afkhamazeez* > * > * > *Lean . Enterprise . Middleware* > > > _______________________________________________ > Carbon-dev mailing list > [email protected] > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev > > -- Sameera Jayasoma Technical Lead and Product Manager, WSO2 Carbon WSO2, Inc. (http://wso2.com) email: [email protected] blog: http://tech.jayasoma.org Lean . Enterprise . Middleware
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