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Posted to users@tomcat.apache.org by David Gagnon <dg...@siunik.com> on 2005/12/19 18:05:24 UTC
Re: Tomcat 4.1.31, Weird problem. Once in a while an attribute i n
the session is not found... look like a RACE?! Is that possible????
Hum I tried and haven't be able to reproduce.. but so far that the best
explanation about what can cause the race...
Thanks I will put some code in to avoid double submit!
Regards
/David
Tobias Meyer wrote:
>Just a thought - What would happen to your application if the user
>double-clicked the login button? (or whatever causes the page to load)
>
>We also sometimes see such errors if some page loads too slow and the user
>gets annoyed and logges in again (the login screen invalidates the old
>session in our application)
>When the slow thread then reaches the point where it wants to read the
>attribute it's gone as the session is invalidated.
>
>Hth,
>Tobias
>
>
>>-----Original Message-----
>>From: David Gagnon [mailto:dgagnon@siunik.com]
>>Sent: Monday, December 19, 2005 3:46 PM
>>To: Tomcat Users List
>>Subject: Re: Tomcat 4.1.31, Weird problem. Once in a while an
>>attribute in the session is not found... look like a RACE?!
>>Is that possible????
>>
>>
>>Hi,
>>
>>
>>In catalina.out I get nothing more than the null pointer exception. I
>>also included the log from localhost_log.2005-12-15 where we
>>can see the
>>actual request.
>>
>>Thanks for you help!
>>Regards
>>/David
>>
>>
>>----------------localhost_log.2005-12-15
>>2005-12-15 15:19:56 StandardContext[/webCatalog]: Mapped to servlet
>>'action' with servlet path '/logon.do' and path info 'null'
>>and update=true
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Security checking
>>request POST /webCatalog/publicPages/j_security_check
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: We have
>>cached auth type
>>FORM for principal GenericPrincipal[cabg]
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Already
>>authenticated 'cabg'
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Checking constraint
>>'SecurityConstraint[Access-Authentication-Authorization Test Area]'
>>against POST /publicPages/j_security_check --> false
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: No applicable
>>constraint
>>located
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Not subject to any
>>constraint
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/publicPages/j_security_check' and
>>relativeURI='/publicPages/j_security_check'
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying default match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapped to servlet
>>'default' with servlet path '/publicPages/j_security_check' and path
>>info 'null' and update=true
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/publicPages/index.jsp' and
>>relativeURI='/publicPages/index.jsp'
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapped to servlet
>>'publicPages.index_jsp' with servlet path '/publicPages/index.jsp' and
>>path info 'null' and update=true
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Security checking
>>request GET /webCatalog/graphics/webSite/BG_LightBeige.gif
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: We have
>>cached auth type
>>FORM for principal GenericPrincipal[cabg]
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Checking constraint
>>'SecurityConstraint[Access-Authentication-Authorization Test Area]'
>>against GET /graphics/webSite/BG_LightBeige.gif --> false
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: No applicable
>>constraint
>>located
>>2005-12-15 15:20:07 Authenticator[/webCatalog]: Not subject to any
>>constraint
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/graphics/webSite/BG_LightBeige.gif' and
>>relativeURI='/graphics/webSite/BG_LightBeige.gif'
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying default match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapped to servlet
>>'default' with servlet path '/graphics/webSite/BG_LightBeige.gif' and
>>path info 'null' and update=true
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/publicPages/index.jsp' and
>>relativeURI='/publicPages/index.jsp'
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:07 StandardContext[/webCatalog]: Mapped to servlet
>>'publicPages.index_jsp' with servlet path '/publicPages/index.jsp' and
>>path info 'null' and update=true
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Security checking
>>request POST /webCatalog/logon.do
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: We have
>>cached auth type
>>FORM for principal GenericPrincipal[cabg]
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Checking constraint
>>'SecurityConstraint[Access-Authentication-Authorization Test Area]'
>>against POST /logon.do --> true
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Subject to constraint
>>SecurityConstraint[Access-Authentication-Authorization Test Area]
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Calling
>>checkUserData()
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: User data
>>constraint has
>>no restrictions
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Calling authenticate()
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Already
>>authenticated 'cabg'
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Calling
>>accessControl()
>>2005-12-15 15:20:08 JDBCRealm[/webCatalog]: Username cabg has role
>>applicationUser
>>2005-12-15 15:20:08 Authenticator[/webCatalog]: Successfully
>>passed all
>>security constraints
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with requestURI='/webCatalog/logon.do' and
>>relativeURI='/logon.do'
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Mapped to servlet
>>'action' with servlet path '/logon.do' and path info 'null'
>>and update=true
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/orderSummary.do'
>>and relativeURI='/orderSummary.do'
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:08 StandardContext[/webCatalog]: Mapped to servlet
>>'action' with servlet path '/orderSummary.do' and path info 'null' and
>>update=true
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/bugAgent.do' and
>>relativeURI='/bugAgent.do'
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Mapped to servlet
>>'action' with servlet path '/bugAgent.do' and path info 'null' and
>>update=true
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/orderSummary.do'
>>and relativeURI='/orderSummary.do'
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying exact match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying prefix match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Trying
>>extension match
>>2005-12-15 15:20:09 StandardContext[/webCatalog]: Mapped to servlet
>>'action' with servlet path '/orderSummary.do' and path info 'null' and
>>update=true
>>2005-12-15 15:20:12 StandardContext[/webCatalog]: Mapping
>>contextPath='/webCatalog' with
>>requestURI='/webCatalog/WEB-INF/pages/webSiteLayout/common/wcL
>>ayout.jsp'
>>and relativeURI='/WEB-INF/pages/webSiteLayout/common/wcLayout.jsp'
>>2005-12-15 15:20:12 StandardContext[/webCatalog]: Trying exact match
>>
>>------CATALINA.OUT-----
>>WARN [http-8080-Processor155] (ExceptionManagerImpl.java:138)
>>2005-12-15
>>15:20:08,686 : Exception not converted: null
>>java.lang.NullPointerException
>>at
>>com.unik.webcatalog.action.order.OrderAction.executeSpecificAc
>>tion(OrderAction.java:669)
>>at com.davecorp.webos.action.BaseAction.execute(BaseAction.java:270)
>>at
>>org.apache.struts.action.RequestProcessor.processActionPerform
>>(RequestProcessor.java:484)
>>at
>>com.davecorp.webos.struts.WindowEnabledRequestProcessor.proces
>>s(WindowEnabledRequestProcessor.java:181)
>>at
>>org.apache.struts.action.ActionServlet.process(ActionServlet.j
>>ava:1482)
>>at
>>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
>>ionDispatcher.java:627)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.doForward(Appli
>>cationDispatcher.java:382)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.forward(Applica
>>tionDispatcher.java:306)
>>at
>>org.apache.struts.action.RequestProcessor.doForward(RequestPro
>>cessor.java:1069)
>>at
>>org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesR
>>equestProcessor.java:274)
>>at
>>org.apache.struts.action.RequestProcessor.processForwardConfig
>>(RequestProcessor.java:455)
>>at
>>org.apache.struts.tiles.TilesRequestProcessor.processForwardCo
>>nfig(TilesRequestProcessor.java:320)
>>at
>>com.davecorp.webos.struts.WindowEnabledRequestProcessor.proces
>>s(WindowEnabledRequestProcessor.java:217)
>>at
>>org.apache.struts.action.ActionServlet.process(ActionServlet.j
>>ava:1482)
>>at
>>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
>>er(ApplicationFilterChain.java:200)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
>>cationFilterChain.java:146)
>>at
>>com.davecorp.webos.servlet.SetCharacterEncodingFilter.doFilter
>>(SetCharacterEncodingFilter.java:141)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
>>er(ApplicationFilterChain.java:166)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
>>cationFilterChain.java:146)
>>at
>>org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
>>rapperValve.java:209)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardContextValve.invoke(StandardC
>>ontextValve.java:144)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.authenticator.AuthenticatorBase.invoke(Aut
>>henticatorBase.java:504)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardContext.invoke(StandardContex
>>t.java:2358)
>>at
>>org.apache.catalina.core.StandardHostValve.invoke(StandardHost
>>Valve.java:133)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
>>spatcherValve.java:118)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
>>Valve.java:116)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
>>gineValve.java:127)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.
>>java:152)
>>at
>>org.apache.coyote.http11.Http11Processor.process(Http11Process
>>or.java:799)
>>at
>>org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandle
>>r.processConnection(Http11Protocol.java:705)
>>at
>>org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoi
>>nt.java:577)
>>at
>>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
>>ThreadPool.java:683)
>>at java.lang.Thread.run(Thread.java:534)
>>ERROR [http-8080-Processor155] (BugAgentExceptionHandler.java:30)
>>2005-12-15 15:20:08,835 :
>>java.lang.NullPointerException
>>at
>>com.unik.webcatalog.action.order.OrderAction.executeSpecificAc
>>tion(OrderAction.java:669)
>>at com.davecorp.webos.action.BaseAction.execute(BaseAction.java:270)
>>at
>>org.apache.struts.action.RequestProcessor.processActionPerform
>>(RequestProcessor.java:484)
>>at
>>com.davecorp.webos.struts.WindowEnabledRequestProcessor.proces
>>s(WindowEnabledRequestProcessor.java:181)
>>at
>>org.apache.struts.action.ActionServlet.process(ActionServlet.j
>>ava:1482)
>>at
>>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
>>ionDispatcher.java:627)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.doForward(Appli
>>cationDispatcher.java:382)
>>at
>>org.apache.catalina.core.ApplicationDispatcher.forward(Applica
>>tionDispatcher.java:306)
>>at
>>org.apache.struts.action.RequestProcessor.doForward(RequestPro
>>cessor.java:1069)
>>at
>>org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesR
>>equestProcessor.java:274)
>>at
>>org.apache.struts.action.RequestProcessor.processForwardConfig
>>(RequestProcessor.java:455)
>>at
>>org.apache.struts.tiles.TilesRequestProcessor.processForwardCo
>>nfig(TilesRequestProcessor.java:320)
>>at
>>com.davecorp.webos.struts.WindowEnabledRequestProcessor.proces
>>s(WindowEnabledRequestProcessor.java:217)
>>at
>>org.apache.struts.action.ActionServlet.process(ActionServlet.j
>>ava:1482)
>>at
>>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
>>at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
>>er(ApplicationFilterChain.java:200)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
>>cationFilterChain.java:146)
>>at
>>com.davecorp.webos.servlet.SetCharacterEncodingFilter.doFilter
>>(SetCharacterEncodingFilter.java:141)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
>>er(ApplicationFilterChain.java:166)
>>at
>>org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
>>cationFilterChain.java:146)
>>at
>>org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
>>rapperValve.java:209)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardContextValve.invoke(StandardC
>>ontextValve.java:144)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.authenticator.AuthenticatorBase.invoke(Aut
>>henticatorBase.java:504)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardContext.invoke(StandardContex
>>t.java:2358)
>>at
>>org.apache.catalina.core.StandardHostValve.invoke(StandardHost
>>Valve.java:133)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
>>spatcherValve.java:118)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
>>Valve.java:116)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:594)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
>>gineValve.java:127)
>>at
>>org.apache.catalina.core.StandardPipeline$StandardPipelineValv
>>eContext.invokeNext(StandardPipeline.java:596)
>>at
>>org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
>>ine.java:433)
>>at
>>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>at
>>org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.
>>java:152)
>>at
>>org.apache.coyote.http11.Http11Processor.process(Http11Process
>>or.java:799)
>>at
>>org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandle
>>r.processConnection(Http11Protocol.java:705)
>>at
>>org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoi
>>nt.java:577)
>>at
>>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
>>ThreadPool.java:683)
>>at java.lang.Thread.run(Thread.java:534)
>>
>>
>>Martin Gainty wrote:
>>
>>
>>
>>>Good Morning David-
>>>
>>>What does the log say?
>>>
>>>Martin-
>>>----- Original Message -----
>>>From: "David Gagnon" <dg...@siunik.com>
>>>To: "Tomcat Users List" <us...@tomcat.apache.org>
>>>Sent: Monday, December 19, 2005 7:40 AM
>>>Subject: Tomcat 4.1.31, Weird problem. Once in a while an
>>>
>>>
>>attribute in the session is not found... look like a RACE?!
>>Is that possible????
>>
>>
>>>
>>>
>>>
>>>
>>>>Hi all,
>>>>
>>>>I have a really wreird problem. I have a web site and I get a
>>>>NullPointerException once in a while because the
>>>>WcPresentationConstants.CURRENT_RESOURCE is null.
>>>>
>>>>UkResource resource = (UkResource)
>>>>param.request.getSession().getAttribute(WcPresentationConsta
>>>>
>>>>
>>nts.CURRENT_RESOURCE);
>>
>>
>>>>But this code arrive just after the user logs in. And just
>>>>
>>>>
>>after we set
>>
>>
>>>>the attribute. This error occurs every 3 or 4 weeks and I cannot
>>>>reproduce it (So 99% of the time everything works just
>>>>
>>>>
>>fine). This code
>>
>>
>>>>is always run just after the user log in so there is no
>>>>
>>>>
>>user interaction
>>
>>
>>>>involved. If the error occurs I have a bug report sent and
>>>>
>>>>
>>I print the
>>
>>
>>>>object in the report. In the last bug the Attribute was in
>>>>
>>>>
>>the REPORT
>>
>>
>>>>?!?! (I remeber have seen a report where the same attribute
>>>>
>>>>
>>was null).
>>
>>
>>>>For me it`s look like a race .. but all occurs in the same thread.
>>>>
>>>>Is tomcat can do copy of session object behind de scene..
>>>>
>>>>
>>(maybe becaus
>>
>>
>>>>of session reload ???) or is there anything in tomcat that
>>>>
>>>>
>>can explain
>>
>>
>>>>this (If yes, how can I avoid it )? I just don`t get it I
>>>>
>>>>
>>chasing this
>>
>>
>>>>bug for months now ...
>>>>
>>>>Thanks for your help
>>>>
>>>>------------------------------------------------------------
>>>>
>>>>
>>---------
>>
>>
>>>>To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>>>>For additional commands, e-mail: users-help@tomcat.apache.org
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>
>>
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