java.lang.LinkageError: duplicate class definition

[Former Member]

Dear Experts,

We are in the process of Migrating current Mi2.5 application to NWM7.1.

We have that 2.5 application properly running in production system but in 7.1 while opening some JSP page of application

it sometimes opens properly & sometimes gives this error..

java.lang.LinkageError: duplicate class definition

The detailed error description is as given below..

Pls advice..

[Former Member]

Error: 500

Location: /ZEFL_BP_MI/jsp/stock/bp_technicians_issue_sparesforms.jsp

Internal Servlet Error:

java.lang.LinkageError: duplicate class definition: com/sap/BP/bean/TableViewBean

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.lang.ClassLoader.defineClass(Unknown Source)

at org.apache.tomcat.loader.AdaptiveClassLoader.doDefineClass(AdaptiveClassLoader.java:575)

at org.apache.tomcat.loader.AdaptiveClassLoader.loadClass(AdaptiveClassLoader.java:542)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.beans.Beans.instantiate(Unknown Source)

at java.beans.Beans.instantiate(Unknown Source)

at jsp.stock.bp_0005ftechnicians_0005fissue_0005fsparesforms._jspService(bp_0005ftechnicians_0005fissue_0005fsparesforms.java:101)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)

at org.apache.tomcat.core.Handler.service(Handler.java:287)

at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)

at org.apache.tomcat.facade.RequestDispatcherImpl.doForward(RequestDispatcherImpl.java:222)

at org.apache.tomcat.facade.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:162)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.dispatchRequest(AbstractMEHttpServlet.java:780)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGetThreadSafe(AbstractMEHttpServlet.java:281)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGet(AbstractMEHttpServlet.java:552)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.service(AbstractMEHttpServlet.java:190)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)

at org.apache.tomcat.core.Handler.service(Handler.java:287)

at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)

at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:806)

at org.apache.tomcat.core.ContextManager.service(ContextManager.java:752)

at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)

at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)

at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)

at java.lang.Thread.run(Unknown Source)

Regards,

Saptak

[Former Member]

Dear All,

Thanks for reading this thread. I have got my solution, it's an SAP proposed solution to the OSS raised by me & its working fine.

If anybody faces same error pls raise an OSS.

Thanks & regards,

Saptak