Tuesday, August 2, 2011

Conflicting standard.jar with OC4J server

Today i was working on an application that was to be deployed on LIVE oc4j application server. The deployment went successful but when the application was being tested there were many errors as below related to standard. jar that was in OC4J lib and in my application's classpath.

The errors i got are as under ::


11/08/02 13:31:07 vqwiki.WikiException: org.apache.taglibs.standard.tag.common.core.Util.escapeXml(Ljava/lang/String;)Ljava/lang/String;
11/08/02 13:31:07       at vqwiki.servlets.SaveTopicServlet.doPost(SaveTopicServlet.java:150)
11/08/02 13:31:07       at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
11/08/02 13:31:07       at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:835)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:341)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:230)
11/08/02 13:31:07       at vqwiki.servlets.VQWikiServlet.dispatch(VQWikiServlet.java:107)
11/08/02 13:31:07       at vqwiki.servlets.WikiServlet.doPost(WikiServlet.java:733)
11/08/02 13:31:07       at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
11/08/02 13:31:07       at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:835)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:341)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:230)
11/08/02 13:31:07       at vqwiki.servlets.FrontControllerFilter.doFilter(FrontControllerFilter.java:91)
11/08/02 13:31:07       at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
11/08/02 13:31:07       at vqwiki.servlets.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:74)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:670)
11/08/02 13:31:07       at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:341)
11/08/02 13:31:07       at com.evermind.server.http.HttpRequestHandler.handleNotFound(HttpRequestHandler.java:1038)
11/08/02 13:31:07       at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:853)
11/08/02 13:31:07       at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:231)
11/08/02 13:31:07       at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:136)
11/08/02 13:31:07       at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
11/08/02 13:31:07       at java.lang.Thread.run(Thread.java:534)


I resolved this error by editing my web application's orion-web.xml

I un-commented below line from the file :


 <!-- Uncomment this element to control web application class loader behavior. -->
        <web-app-class-loader search-local-classes-first="true"  include-war-manifest-class-path="true" /> 

Regards,

Ujjwal Soni









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