Portal online help does not work: java.lang.NoClassDefFoundError: org/apache/regexp/RE After upgrading Portal 9.0.2.2 to 9.0.2.6 (Doc ID 262900.1)

Last updated on APRIL 15, 2025

Applies to:

Symptoms

Portal - Version: 9.0.2.6

After upgrading Oracle Portal 9.0.2.2 to version 9.0.2.6, the portal help does not work porperly.

The url "http://:/portalHelp/en/", it shows properly. Then, for example, click the hyperlink "Welcome", it shows without any problem. When clicking any hyperlink under this tier, the 500 Internal Server Error occurs:

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500 Internal Server Error
java.lang.NoClassDefFoundError: org/apache/regexp/RE
at oracle.help.TopicConverter.doTopicConversion(Unknown Source)
at oracle.help.OHW.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:244)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:336)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:66)
at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:284)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:539)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:285)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:771)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.AJPRequestHandler.run(AJPRequestHandler.java:170)
at com.evermind[Oracle9iAS (9.0.2.3) Containers for J2EE].server.http.AJPRequestHandler.run(AJPRequestHandler.java:72)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:802)
at java.lang.Thread.run(Thread.java:484)
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Changes

Cause