Error when confirming the forum subscription

[Hesham]

Below is the error message that shown when confirming the subscription




Error 500
url=http://talent-development.962504.n3.nabble.com/template/TplServlet.jtp?tpl=subscribe_by_code&node=1249283&code=aGVzaGFtX25iZUBnYXdhYi5jb218MTI0OTI4M3wtNDgxMDY4Mzg5  bad agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.2; .NET CLR 2.0.50727)
RequestURI=/template/TplServlet.jtp

Caused by:
fschmidt.util.servlet.JtpContextServlet$JtpServletException: url=http://talent-development.962504.n3.nabble.com/template/TplServlet.jtp?tpl=subscribe_by_code&node=1249283&code=aGVzaGFtX25iZUBnYXdhYi5jb218MTI0OTI4M3wtNDgxMDY4Mzg5  bad agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.2; .NET CLR 2.0.50727)
        at fschmidt.util.servlet.JtpContextServlet.handleException(JtpContextServlet.java:610)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:530)
        at fschmidt.util.servlet.JtpContextServlet.service(JtpContextServlet.java:331)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
        at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
        at fschmidt.util.servlet.GzipFilter.doFilter(GzipFilter.java:137)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at cachingfilter.CachingFilter.doFilter(CachingFilter.java:133)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at fschmidt.util.servlet.BadBotFilter.doFilter(BadBotFilter.java:74)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: nabble.template.TemplateRuntimeException:
        in get_subscription_by_code - <n.page_node.get_subscription_by_code. code="[n.subscription-code/]"> (subscribe.template.tpl:346) {public void nabble.view.web.template.NodeNamespace._get_subscription_by_code(nabble.template.IPrintWriter,nabble.template.ScopedInterpreter) throws nabble.template.TemplateException}
        in page_node - <n.page_node.get_subscription_by_code. code="[n.subscription-code/]"> (subscribe.template.tpl:346) {public void nabble.view.web.template.NodePageNamespace._page_node(nabble.template.IPrintWriter,nabble.template.ScopedInterpreter)}
        in catch_exception - <n.catch_exception. id="save-subscription"> (subscribe.template.tpl:345) {public void nabble.template.BasicNamespace._catch_exception(nabble.template.IPrintWriter,nabble.template.Interpreter)}
        in as_node_page - <n.get_node_from_parameter.as_node_page.do/> (utilities.macro.tpl:572) {public void nabble.view.web.template.NodeNamespace._as_node_page(nabble.template.IPrintWriter,nabble.template.ScopedInterpreter)}
        in get_node_from_parameter - <n.get_node_from_parameter.as_node_page.do/> (utilities.macro.tpl:572) {public void nabble.view.web.template.ServletNamespace._get_node_from_parameter(nabble.template.IPrintWriter,nabble.template.ScopedInterpreter) throws java.io.IOException,javax.servlet.ServletException}
        in <macro name="subscribe_by_code" requires="servlet"> (subscribe.template.tpl:343)
        at nabble.template.Compiler.interpFix(Compiler.java:1179)
        at nabble.template.Compiler$Block.run(Compiler.java:1131)
        at nabble.template.BlockWrapper.printTo(BlockWrapper.java:58)
        at nabble.template.ScopedInterpreterImpl$1.printTo(ScopedInterpreterImpl.java:22)
        at nabble.template.TemplatePrintWriter.print(TemplatePrintWriter.java:31)
        at nabble.view.web.template.NodePageNamespace._page_node(NodePageNamespace.java:55)
        at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.JavaMethod.invoke(JavaMethod.java:22)
        at nabble.template.Compiler$Block.run(Compiler.java:1127)
        at nabble.template.BlockWrapper.printTo(BlockWrapper.java:58)
        at nabble.template.TemplatePrintWriter.print(TemplatePrintWriter.java:31)
        at nabble.template.BasicNamespace._catch_exception(BasicNamespace.java:455)
        at sun.reflect.GeneratedMethodAccessor184.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.JavaMethod.invoke(JavaMethod.java:22)
        at nabble.template.Compiler$Block.run(Compiler.java:1127)
        at nabble.template.Compiler$Chunks.run(Compiler.java:841)
        at nabble.template.BlockWrapper.printTo(BlockWrapper.java:58)
        at nabble.template.ScopedInterpreterImpl$1.printTo(ScopedInterpreterImpl.java:22)
        at nabble.template.TemplatePrintWriter.print(TemplatePrintWriter.java:31)
        at nabble.view.web.template.NodeNamespace._as_node_page(NodeNamespace.java:872)
        at sun.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.JavaMethod.invoke(JavaMethod.java:22)
        at nabble.template.Compiler$Block.run(Compiler.java:1127)
        at nabble.template.BlockWrapper.printTo(BlockWrapper.java:58)
        at nabble.template.ScopedInterpreterImpl$1.printTo(ScopedInterpreterImpl.java:22)
        at nabble.template.TemplatePrintWriter.print(TemplatePrintWriter.java:31)
        at nabble.view.web.template.ServletNamespace._get_node_from_parameter(ServletNamespace.java:525)
        at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.JavaMethod.invoke(JavaMethod.java:22)
        at nabble.template.Compiler$Block.run(Compiler.java:1127)
        at nabble.template.Template.run(Template.java:83)
        at nabble.view.web.template.TemplateManager.run(TemplateManager.java:134)
        at nabble.view.web.template.TemplateManager.run(TemplateManager.java:127)
        at nabble.view.web.template.TplServlet.service(TplServlet.java:116)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:528)
        ... 25 more
Caused by: java.lang.NullPointerException
        at nabble.view.web.template.SubscriptionNamespace.<init>(SubscriptionNamespace.java:44)
        at nabble.view.web.template.NodeNamespace._get_subscription_by_code(NodeNamespace.java:733)
        at sun.reflect.GeneratedMethodAccessor381.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.JavaMethod.invoke(JavaMethod.java:22)
        at nabble.template.Compiler$Block.run(Compiler.java:1127)
        ... 67 more

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