Subject: Problems with the JSP example
From: Vassilios Koutkias (bikout@med.auth.gr)
Date: Tue Feb 04 2003 - 15:25:25 MET
Dear Jaders,
I have some problems regarding the JSP example distributed with JADE, although
I follow the steps that are described in the corresponding tutorial.
1) When I request the "testajade.jsp" page, the following exception is
generated in Tomcat's console:
-------------------------------------------
Starting service Tomcat-Standalone
Apache Tomcat/4.0.4
Starting service Tomcat-Apache
Apache Tomcat/4.0.4
container jade created
This is JADE 2.6 - 2002/07/19 09:32:33
downloaded in Open Source, under LGPL restrictions,
at http://jade.cselt.it/
Communication failure while contacting agent platform: Communication Failure
[nested message is: error marshalling arguments; nested exception is:
java.net.SocketException: Software caused connection abort: socket
write error]
jade.core.IMTPException: Communication Failure [nested message is: error
marshalling arguments; nested exception is:
java.net.SocketException: Software caused connection abort: socket
write error]
at jade.imtp.rmi.MainContainerAdapter.addContainer
(MainContainerAdapter.java:165)
at jade.core.MainContainerProxy.register(MainContainerProxy.java:75)
at jade.core.AgentContainerImpl.joinPlatform
(AgentContainerImpl.java:576)
at jade.core.Runtime.createAgentContainer(Runtime.java:77)
at jade.wrapper.taglib.ContainerTag.createBean(ContainerTag.java:114)
at jade.wrapper.taglib.ContainerTag.doStartTag(ContainerTag.java:101)
at org.apache.jsp.testagade$jsp._jspService(testagade$jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
(JspServlet.java:201)
at org.apache.jasper.servlet.JspServlet.serviceJspFile
JspServlet.java:381)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)
Nested Exception is:
java.rmi.MarshalException: error marshalling arguments; nested exception is:
java.net.SocketException: Software caused connection abort: socket
write error
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:129)
at jade.imtp.rmi.MainContainerRMIImpl_Stub.addContainer(Unknown Source)
at jade.imtp.rmi.MainContainerAdapter.addContainer
(MainContainerAdapter.java:162)
at jade.core.MainContainerProxy.register(MainContainerProxy.java:75)
at jade.core.AgentContainerImpl.joinPlatform
(AgentContainerImpl.java:576)
at jade.core.Runtime.createAgentContainer(Runtime.java:77)
at jade.wrapper.taglib.ContainerTag.createBean(ContainerTag.java:114)
at jade.wrapper.taglib.ContainerTag.doStartTag(ContainerTag.java:101)
at org.apache.jsp.testagade$jsp._jspService(testagade$jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
(JspServlet.java:201)
at org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:381)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.j
ava:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)
Caused by: java.net.SocketException: Software caused connection abort: socket
write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at java.io.BufferedOutputStream.flushBuffer
(BufferedOutputStream.java:69)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:108)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain
(ObjectOutputStream.java:1637)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode
(ObjectOutputStream.java
:1546)
at java.io.ObjectOutputStream.writeNonProxyDesc
(ObjectOutputStream.java:1146)
at java.io.ObjectOutputStream.writeClassDesc
(ObjectOutputStream.java:1100)
at java.io.ObjectOutputStream.writeOrdinaryObject
(ObjectOutputStream.java:1239)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052)
at java.io.ObjectOutputStream.writeFatalException
(ObjectOutputStream.java:1353)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:281)
at sun.rmi.server.UnicastRef.marshalValue(UnicastRef.java:265)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:124)
... 44 more
saving container for id Main-Container jade.wrapper.AgentContainer@162e295
Creating new Agent snooper
Snooper created
Creating new Agent snooper2
Snooper created
prepare to send objectsnooper2
-------------------------------------------
As a result of requesting tesajade.jsp, the following content is displayed in
my web-browser:
It works !!!!
Messages sent.
jade.wrapper.Agent@14d5bc9
2) When I request the "testjade.jsp" page, Tomcat automatically shuts down and
the following message is displayed in my web-browser:
------------------------------------
Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error)
that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Trying to start an agent without proper runtime
support.
at org.apache.jasper.runtime.PageContextImpl.handlePageException
(PageContextImpl.java:471)
at org.apache.jsp.testjade$jsp._jspService(testjade$jsp.java:120)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
(JspServlet.java:201)
at org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:381)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)
root cause
java.lang.InternalError: Trying to start an agent without proper runtime
support.
at jade.core.DummyToolkit.handleStart(DummyToolkit.java:60)
at jade.core.Agent.doStart(Agent.java:1053)
at org.apache.jsp.testjade$jsp._jspService(testjade$jsp.java:92)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
(JspServlet.java:201)
at org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:381)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)
------------------------------------
I found a similar message posted in the mailing list a long time ago, but there
was no answer.
I would appreciate any suggestions or ideas to overcome this situation...
Best Regards,
Vassilis.
This archive was generated by hypermail 2a22 : Tue Feb 04 2003 - 15:27:34 MET