I am new to ULC and have deployed an applet in a frame in our existing
web application.  The applet stops correctly when navigating to a new
screen but when the user 'Logs out' I get an exception.  The 'log out'
method calls HttpSession.invalidate().  If anyone has experienced this
or knows what is wrong please inform me of what I am doing wrong.

Following is the exception in my tomcat log file:

SEVERE: Servlet.service() for servlet ULCApplicationApplet threw
exception
javax.servlet.ServletException: unable to get ulc session (session
already terminated)
        at
com.ulcjava.container.servlet.server.ContainerCommand.getUlcSession
(ContainerCommand.java:27)
        at
com.ulcjava.container.servlet.server.RemoveSessionCommand.handleRequestContent(RemoveSessionCommand.java:10)
        at com.ulcjava.container.servlet.server.ContainerCommand.execute
(ContainerCommand.java:43)
        at
com.ulcjava.container.servlet.server.ServletContainerAdapterHelper.b
(ServletContainerAdapterHelper.java:175)
        at
com.ulcjava.container.servlet.server.ServletContainerAdapterHelper.service(ServletContainerAdapterHelper.java:86)
        at
com.ulcjava.container.servlet.server.ServletContainerAdapter.service
(ServletContainerAdapter.java:1)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:214)
        at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:825)
        at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket
(PoolTcpEndpoint.java:526)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)

Thanks,
-- 
Sharon O'Connor
Software Engineer
Meridias Capital

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