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Posted to dev@tomcat.apache.org by bu...@apache.org on 2008/05/30 10:27:42 UTC
DO NOT REPLY [Bug 45102] New: IllegalStateException getting
HttpSession from HttpServletRequest
https://issues.apache.org/bugzilla/show_bug.cgi?id=45102
Summary: IllegalStateException getting HttpSession from
HttpServletRequest
Product: Tomcat 5
Version: 5.5.26
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: major
Priority: P2
Component: Connector:Coyote
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: business.salou@gmail.com
First of all I cannot reproduce the bug voluntarily.
Tomcat 5.5.26
description of a typical case:
* The server is up and running.
* A servlet is called by a batch running on a mainframe, using a batch browser
(Lynx) to call the servlet.
* The first thing the servlet does is
"((HttpServletRequest)request).getSession()", and the exception is thrown:
java.lang.IllegalStateException: Impossible de créer une sessionaprès que la
réponse ait été envoyée
at
org.apache.catalina.connector.Request.doGetSession(Request.java:2221)
at org.apache.catalina.connector.Request.getSession(Request.java:2031)
at
org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:832)
at
org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:843)
at
javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:224)
at adp.data.RunImportData.doGet(RunImportData.java:68)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:420)
at
org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:134)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
I searched the forums, read the code of Tomcat, and saw this: for a reason my
session is either null or invalidated and something has already started to
respond the request.
The message contained in the exception corresponds to the resource
"coyoteRequest.sessionCreateCommitted".
This exception is produced in several servlets not just in a specific one.
I have set up a session listener in the configuration so as to free objects
related to the session when this one is invalidated.
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DO NOT REPLY [Bug 45102] IllegalStateException getting HttpSession
from HttpServletRequest
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=45102
Loic Salou <bu...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution| |LATER
--- Comment #2 from Loic Salou <bu...@gmail.com> 2008-06-06 07:31:55 PST ---
OK I'll get rid of the invoker Servlet, for me it's the best possible
explanation why the response should already be committed.
One doubt anyway: I've declared a session listener in the tomcat's config so as
to be able to trace the creation/removal of sessions (preloading of data /
clean up and so on). Do you think a kind of "interference" is possible (if the
session listeners are notified asynchronously...) ? well it's just a idea...
However I still don't understand the reason why a new session cannot be created
if the response has been committed. The session would be reusable for the new
calls... and technically speaking I don't get the point.
I'll change this next week I hope.
Thanks
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DO NOT REPLY [Bug 45102] IllegalStateException getting HttpSession
from HttpServletRequest
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=45102
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #1 from Mark Thomas <ma...@apache.org> 2008-06-02 11:18:51 PST ---
To get this exception:
a) you must request a session
b) you must be using cookies for session ID
c) the response must already be committed
c) is the one I would look at. Are you sure getSession() is the first thing you
call? Given you are using the invoker servlet it is likely that the error you
are seeing is a side-effect of this. There are lots of reasons for getting rid
of the invoker servlet (see
http://wiki.apache.org/tomcat/FAQ/Miscellaneous#Q2). I suggest removing the
invoker servlet and seeing if the error is fixed.
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