HTTP ERROR: 500 & ClassCastException trying to Clear a Log

I’m running Openfire 3.5.1 on Windows. Whenever I try to use a “Clear” link on one of the Log Viewer pages, I get an HTTP ERROR: 500 & ClassCastException.

Anyone else see this problem or do I have something wrong?

Thanks

Jerry

The error page looks like this…

HTTP ERROR: 500

org.jivesoftware.util.log.output.io.StreamTarget cannot be cast to org.jivesoftware.util.log.output.io.rotate.RotatingFileTarget

</p></p>
<br/><br/>
RequestURI=/logviewer.jsp<br/><br/>
<br/><br/>
<h3><h3>Caused by:</h3></h3>
<p><p>

java.lang.ClassCastException: org.jivesoftware.util.log.output.io.StreamTarget cannot be cast to org.jivesoftware.util.log.output.io.rotate.RotatingFileTarget

at org.jivesoftware.util.Log.rotateErrorLogFile(Log.java:351)

at org.jivesoftware.openfire.admin.logviewer_jsp._jspService(logviewer_jsp.java:19 3)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)

at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1093)

at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:11 8)

at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)

at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:66)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)

at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingF ilter.java:42)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)

at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:70)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)

at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:99)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1084)

at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)

at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)

at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)

at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)

at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)

at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollect ion.java:206)

at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)

at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)

at org.mortbay.jetty.Server.handle(Server.java:324)

at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)

at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.j ava:828)

at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)

at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)

at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)

at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)

at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)

Hi Jerry,

I had a similar problem with Openfire 3.x but it went away after a restart of Openfire. So it could be a problem with the JVM or Openfire. Maybe it was caused by a restart of a plugin.

It may be interesting to get a thread dump as described in JVM Settings and Debugging (jstack openfire-pid >/tmp/javacore.txt´ orkill -3 openfire-pid´ for Linux). Maybe one can see there a bad plugin thread.

LG