Serving a static file with session-destroyed.xpl

> Marcus,
>
> If we are in sync, it is doing the NPE on this line:
>
> final XFormsInstance instance = (XFormsInstance) instancesMap.get(id);
>
> this seems to mean that instancesMap is null, but I am not sure why it
> can be null at all in this case. However, in other places we test on
> null before going forward, so I am putting this test there as well. Not
> sure if that will do much for you though.
>
> Note that we moved some files out of RESOURCES/config to
> ops-resources-private.jar. That includes error.xpl and error.xsl. So you
> may want to remove these files so that you get correct errors. Also, be
> sure to empty your browser cache before trying again.
>
> -Erik

> Marcus,
>
> If we are in sync, it is doing the NPE on this line:
>
> final XFormsInstance instance = (XFormsInstance) instancesMap.get(id);
>
> this seems to mean that instancesMap is null, but I am not sure why it
> can be null at all in this case. However, in other places we test on
> null before going forward, so I am putting this test there as well. Not
> sure if that will do much for you though.
>
> Note that we moved some files out of RESOURCES/config to
> ops-resources-private.jar. That includes error.xpl and error.xsl. So you
> may want to remove these files so that you get correct errors. Also, be
> sure to empty your browser cache before trying again.
>
> -Erik
>

> Hi Erik, it's me again,
> ok, here is my last opinion on the last update! I will return to an
> older Nightlybuild for the moment!
> I try to develope my webapp and therefore i have most of the time about
> 4 tabs opened in the browser, but since the latest update, after only
> some minutes all tabs in the background become invalid with the old
> known message:
>
> XForms error: Unable to retrieve XForms engine state from session cache.
>
> I thought you tried to change some things, so that this error won't
> appear that often, but at the moment it appears more often than with the
> Nightylbuild from 22.05 that i had worked with before :-(
> I don't know what happend, but for now the latest version seems not to
> be a good alternative :-( Sorry

> Marcus,
>
> If we are in sync, it is doing the NPE on this line:
>
> final XFormsInstance instance = (XFormsInstance) instancesMap.get(id);
>
> this seems to mean that instancesMap is null, but I am not sure why it
> can be null at all in this case. However, in other places we test on
> null before going forward, so I am putting this test there as well. Not
> sure if that will do much for you though.
>
> Note that we moved some files out of RESOURCES/config to
> ops-resources-private.jar. That includes error.xpl and error.xsl. So you
> may want to remove these files so that you get correct errors. Also, be
> sure to empty your browser cache before trying again.
>
> -Erik

> Marcus wrote:
>> Hi Erik, it's me again,
>> ok, here is my last opinion on the last update! I will return to an
>> older Nightlybuild for the moment!
>> I try to develope my webapp and therefore i have most of the time about
>> 4 tabs opened in the browser, but since the latest update, after only
>> some minutes all tabs in the background become invalid with the old
>> known message:
>>
>> XForms error: Unable to retrieve XForms engine state from session cache.
>>
>> I thought you tried to change some things, so that this error won't
>> appear that often, but at the moment it appears more often than with the
>> Nightylbuild from 22.05 that i had worked with before :-(
>> I don't know what happend, but for now the latest version seems not to
>> be a good alternative :-( Sorry
>
> Are you using one from June 26, or a more recent one?
>
> -Erik
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>

> Hi Erik,
> and again its me :-)
> OK, i gave the latest Nightlybuild a last try - i updated tonight to
> <meta name="generator" content="Orbeon Forms 3.6.0beta.200706300015">
>
> Fewer Error messages, but also this version stucks when not using every
> browser tab for lets say about half an hour!?
> After that in every none-used browser window the little "Loading..."
> message is shown and the site is still off so i have to load it again,
> when i want to use it again - which ends with loosing the data on that
> page (i.e. when entering a form!)
>
> I don't know exactly if i can connect those habbit to the these logs,
> but i think so, i will confirm this the next time i get an "Loading" so
> the last logs will show whats happend...
>
> 2007-06-30 12:59:12,314 http-8085-3 ERROR webapp.ProcessorService  -
> Exception at line 55, column 103 of oxf:/ops/xforms/xforms-server.xpl
> (reading processor output: name='response', id='xml-response')
> java.lang.NullPointerException
> at
> org.orbeon.oxf.xforms.XFormsContainingDocument.createDynamicStateDocument(XFormsContainingDocument.java:1017)
>
> at
> org.orbeon.oxf.xforms.XFormsContainingDocument.createEncodedDynamicState(XFormsContainingDocument.java:1001)
>
> at
> org.orbeon.oxf.xforms.processor.XFormsServer.outputResponse(XFormsServer.java:322)
>
> at org.orbeon.oxf.xforms.processor.XFormsServer.doIt(XFormsServer.java:266)
> at
> org.orbeon.oxf.xforms.processor.XFormsServer.access$000(XFormsServer.java:49)
>
> at
> org.orbeon.oxf.xforms.processor.XFormsServer$1.readImpl(XFormsServer.java:78)
>
> at org.orbeon.oxf.processor.ProcessorImpl$7.read(ProcessorImpl.java:1031)
> at
> org.orbeon.oxf.processor.ProcessorImpl$ProcessorOutputImpl$ConcreteProcessorFilter$ForwarderProcessorOutput.read(ProcessorImpl.java:985)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl.readInputAsSAX(ProcessorImpl.java:349)
>
> at
> org.orbeon.oxf.processor.validation.MSVValidationProcessor.access$700(MSVValidationProcessor.java:44)
>
> at
> org.orbeon.oxf.processor.validation.MSVValidationProcessor$5.readImpl(MSVValidationProcessor.java:219)
>
> at org.orbeon.oxf.processor.ProcessorImpl$7.read(ProcessorImpl.java:1031)
> at
> org.orbeon.oxf.processor.ProcessorImpl$ProcessorOutputImpl.read(ProcessorImpl.java:1214)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl$ProcessorOutputImpl$ConcreteProcessorFilter.read(ProcessorImpl.java:1009)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl$ProcessorOutputImpl.read(ProcessorImpl.java:1214)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl.readInputAsSAX(ProcessorImpl.java:349)
>
> at
> org.orbeon.oxf.processor.serializer.legacy.XMLSerializer.readInput(XMLSerializer.java:58)
>
> at
> org.orbeon.oxf.processor.serializer.HttpTextSerializer.readInput(HttpTextSerializer.java:54)
>
> at
> org.orbeon.oxf.processor.serializer.HttpSerializerBase$1.read(HttpSerializerBase.java:147)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl.readCacheInputAsObject(ProcessorImpl.java:489)
>
> at
> org.orbeon.oxf.processor.serializer.HttpSerializerBase.start(HttpSerializerBase.java:138)
>
> at
> org.orbeon.oxf.processor.pipeline.PipelineProcessor$11.run(PipelineProcessor.java:652)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl.executeChildren(ProcessorImpl.java:555)
>
> at
> org.orbeon.oxf.processor.pipeline.PipelineProcessor.start(PipelineProcessor.java:649)
>
> at
> org.orbeon.oxf.processor.pipeline.choose.ConcreteChooseProcessor.start(ConcreteChooseProcessor.java:230)
>
> at
> org.orbeon.oxf.processor.pipeline.PipelineProcessor$11.run(PipelineProcessor.java:652)
>
> at
> org.orbeon.oxf.processor.ProcessorImpl.executeChildren(ProcessorImpl.java:555)
>
> at
> org.orbeon.oxf.processor.pipeline.PipelineProcessor.start(PipelineProcessor.java:649)
>
> at org.orbeon.oxf.pipeline.InitUtils.runProcessor(InitUtils.java:88)
> at org.orbeon.oxf.webapp.ProcessorService.service(ProcessorService.java:96)
> at
> org.orbeon.oxf.servlet.OPSServletDelegate.service(OPSServletDelegate.java:148)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.orbeon.oxf.servlet.OPSServlet.service(OPSServlet.java:75)
> 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.securityfilter.filter.SecurityFilter.doFilter(SecurityFilter.java:188)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>
> 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.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:495)
>
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
> at
> org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:392)
>
> 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.Http11AprProcessor.process(Http11AprProcessor.java:833)
>
> at
> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
>
> at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
> at java.lang.Thread.run(Unknown Source)
>
>
> Of course i know that not every Nightlybuild is stable and functions
> well, but perhaps it would be better only to update the Nightlybuilds
> that work well somehow, and when greater changes like moving more files
> to other places are finished! To test the latest version came up tp my
> mind, while you wrote that error.xpl AND error.xsl has moved, but in the
> version from 26.7. only the error.xpl was moved, but than not found by
> the app itself... so there must have been inconsistant links to the
> error.xpl still searching in the /config dir....
>
> Just an idea. This should be only constuctive critik, nothing more.
> Sorry if my last mails tonight on this thread sound a bit impolite :-(
> Didn't ment it! You do great work, and i'm glad to recieve your help and
> to be able to work with OPS!
>
> Best regards, Marcus
>
>
> ----- Original Message ----- From: "Erik Bruchez" <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, June 30, 2007 1:53 AM
> Subject: Re: [ops-users] Serving a static file with session-destroyed.xpl
>
>
>> Marcus,
>>
>> If we are in sync, it is doing the NPE on this line:
>>
>> final XFormsInstance instance = (XFormsInstance) instancesMap.get(id);
>>
>> this seems to mean that instancesMap is null, but I am not sure why it
>> can be null at all in this case. However, in other places we test on
>> null before going forward, so I am putting this test there as well. Not
>> sure if that will do much for you though.
>>
>> Note that we moved some files out of RESOURCES/config to
>> ops-resources-private.jar. That includes error.xpl and error.xsl. So you
>> may want to remove these files so that you get correct errors. Also, be
>> sure to empty your browser cache before trying again.
>>
>> -Erik
>
>

> Hi Erik,
> the list seems to hang a half day :-(
> As i wrote today morning i updated tonight to the Version from 30.6. but
> still have some nerving(?) errors :-(
> Not only the one discribed to you in the last post - "Loading at the top
> and a none more working page"
> But since some hours i'm facing also to problem, that more often i get
> an Error Dialog:
>
> An error has occurred in Orbeon Forms. You may want to try one of the
> following:
>
>    * Close this dialog and continue to use this page.
>    * If this does not work, press the ctrl key (or command key on a Mac)
> and click on the Reload button in the toolbar.
>    * Return home.
>
> oxf:/ops/xforms/xforms-server.xpl   55   103
> reading processor output
> name → response
> id → xml-response
> <p:output name="response" id="xml-response"
> schema-href="xforms-server-response.rng"/>
> oxf:/ops/xforms/xforms-server.xpl  61  52
> executing processor
> name → {http://www.orbeon.com/oxf/processors}xml-serializer
> <p:processor name="oxf:xml-serializer">
>
> And i think, that souldn't happen also that often :-(
> Please let me know as soon as those problems are solved! I need a more
> stable and working version unless i have to finish in two weeks!!! Hope
> that we'll find a stable Nightylbuild until then!
>
> Regards, Marcus
>
>
> ----- Original Message ----- From: "Erik Bruchez" <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, June 30, 2007 11:00 AM
> Subject: Re: [ops-users] Serving a static file with session-destroyed.xpl
>
>
>> Marcus wrote:
>>> Hi Erik, it's me again,
>>> ok, here is my last opinion on the last update! I will return to an
>>> older Nightlybuild for the moment!
>>> I try to develope my webapp and therefore i have most of the time about
>>> 4 tabs opened in the browser, but since the latest update, after only
>>> some minutes all tabs in the background become invalid with the old
>>> known message:
>>>
>>> XForms error: Unable to retrieve XForms engine state from session cache.
>>>
>>> I thought you tried to change some things, so that this error won't
>>> appear that often, but at the moment it appears more often than with the
>>> Nightylbuild from 22.05 that i had worked with before :-(
>>> I don't know what happend, but for now the latest version seems not to
>>> be a good alternative :-( Sorry
>>
>> Are you using one from June 26, or a more recent one?
>>
>> -Erik
>>
>> --
>> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
>> http://www.orbeon.com/
>>
>>
>
>
> --------------------------------------------------------------------------------
>
>
>
>>
>> --
>> You receive this message as a subscriber of the
>> [hidden email] mailing list.
>> To unsubscribe: mailto:[hidden email]
>> For general help: mailto:[hidden email]?subject=help
>> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>>
>
>

> Marcus,
>
> The funny thing is that there is no actual error message in what you
> pasted below. It should appear between the "Return home" and the call
> stack. Also, you may find an exception in your logs which could be useful.
>
> Maybe it's just the same NPE which you got earlier.
>
> Also, check if you have a model without instances, and if so, whether
> that is actually intended.
>
> -Erik
>
> Marcus wrote:
>> Hi Erik,
>> the list seems to hang a half day :-(
>> As i wrote today morning i updated tonight to the Version from 30.6. but
>> still have some nerving(?) errors :-(
>> Not only the one discribed to you in the last post - "Loading at the top
>> and a none more working page"
>> But since some hours i'm facing also to problem, that more often i get
>> an Error Dialog:
>>
>> An error has occurred in Orbeon Forms. You may want to try one of the
>> following:
>>
>>    * Close this dialog and continue to use this page.
>>    * If this does not work, press the ctrl key (or command key on a Mac)
>> and click on the Reload button in the toolbar.
>>    * Return home.
>>
>> oxf:/ops/xforms/xforms-server.xpl   55   103
>> reading processor output
>> name → response
>> id → xml-response
>> <p:output name="response" id="xml-response"
>> schema-href="xforms-server-response.rng"/>
>> oxf:/ops/xforms/xforms-server.xpl  61  52
>> executing processor
>> name → {http://www.orbeon.com/oxf/processors}xml-serializer
>> <p:processor name="oxf:xml-serializer">
>>
>> And i think, that souldn't happen also that often :-(
>> Please let me know as soon as those problems are solved! I need a more
>> stable and working version unless i have to finish in two weeks!!! Hope
>> that we'll find a stable Nightylbuild until then!
>>
>> Regards, Marcus
>>
>>
>> ----- Original Message ----- From: "Erik Bruchez" <[hidden email]>
>> To: <[hidden email]>
>> Sent: Saturday, June 30, 2007 11:00 AM
>> Subject: Re: [ops-users] Serving a static file with session-destroyed.xpl
>>
>>
>>> Marcus wrote:
>>>> Hi Erik, it's me again,
>>>> ok, here is my last opinion on the last update! I will return to an
>>>> older Nightlybuild for the moment!
>>>> I try to develope my webapp and therefore i have most of the time about
>>>> 4 tabs opened in the browser, but since the latest update, after only
>>>> some minutes all tabs in the background become invalid with the old
>>>> known message:
>>>>
>>>> XForms error: Unable to retrieve XForms engine state from session
>>>> cache.
>>>>
>>>> I thought you tried to change some things, so that this error won't
>>>> appear that often, but at the moment it appears more often than with
>>>> the
>>>> Nightylbuild from 22.05 that i had worked with before :-(
>>>> I don't know what happend, but for now the latest version seems not to
>>>> be a good alternative :-( Sorry
>>>
>>> Are you using one from June 26, or a more recent one?
>>>
>>> -Erik
>>>
>>> --
>>> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
>>> http://www.orbeon.com/
>>>
>>>
>>
>>
>> --------------------------------------------------------------------------------
>>
>>
>>
>>>
>>> --
>>> You receive this message as a subscriber of the
>>> [hidden email] mailing list.
>>> To unsubscribe: mailto:[hidden email]
>>> For general help: mailto:[hidden email]?subject=help
>>> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>>>
>>
>>
>
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>

> Marcus wrote:
>
>> And yes, indeed i have to models without any instances - is that the
>> problem?
>
> I think some of the NPEs were due to that, yes.
>
>> So what should i do about that? Just don't use them, or as a workaround
>> put some empty instaces there?
>
> If you still get NPEs with the latest builds, please let us know, but
> yes, you could work around the issue by putting a dummy instance in there.
>
>> So, should i just update to the NIghtlybuild today again and than it
>> should work, or do a workaround with empty instances???
>
> If you can, please try the latest build. If not, use the workaround ;-)
>
>> And hey, no problem helping you test. Until the last months while
>> working with OPS i got so much support from you, thats just something i
>> can help you with i hope! But also i kept in mind to give you detailed
>> information about some other cases i solved and hope that will be
>> helpful to you and others. Just let me know, how i should do that. I.e.
>> "How To integrate the Security Servlet for authentication against the
>> eXist-DB instead of tomcat" and a "how to integrate the eXist JavaGUI"
>> But only if you think that would be helpful!?
>
> Thanks. Anything that can help other users is welcome! I don't remember
> if you have already done so, but you can always start by sending some
> detailed instructions to this list.
>
> We also have the Orbeon Forms wiki which could be used:
>
>   http://wiki.objectweb.org/ops/
>
> We like the idea of using a wiki for documentation and tips and tricks,
> but to be honest this particular wiki implementation leaves a little to
> be desired so we don't use it as much as we should.
>
> -Erik
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>

> Marcus wrote:
>
>> And yes, indeed i have to models without any instances - is that the
>> problem?
>
> I think some of the NPEs were due to that, yes.
>
>> So what should i do about that? Just don't use them, or as a workaround
>> put some empty instaces there?
>
> If you still get NPEs with the latest builds, please let us know, but
> yes, you could work around the issue by putting a dummy instance in there.
>
>> So, should i just update to the NIghtlybuild today again and than it
>> should work, or do a workaround with empty instances???
>
> If you can, please try the latest build. If not, use the workaround ;-)
>
>> And hey, no problem helping you test. Until the last months while
>> working with OPS i got so much support from you, thats just something i
>> can help you with i hope! But also i kept in mind to give you detailed
>> information about some other cases i solved and hope that will be
>> helpful to you and others. Just let me know, how i should do that. I.e.
>> "How To integrate the Security Servlet for authentication against the
>> eXist-DB instead of tomcat" and a "how to integrate the eXist JavaGUI"
>> But only if you think that would be helpful!?
>
> Thanks. Anything that can help other users is welcome! I don't remember
> if you have already done so, but you can always start by sending some
> detailed instructions to this list.
>
> We also have the Orbeon Forms wiki which could be used:
>
>   http://wiki.objectweb.org/ops/
>
> We like the idea of using a wiki for documentation and tips and tricks,
> but to be honest this particular wiki implementation leaves a little to
> be desired so we don't use it as much as we should.
>
> -Erik
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>

> Hi Erik,
> one more point:
>
> After updated the FCKeditor ones more, cleard the chache, reloaded the
> page, i get now this Error in the Dialog every time i try to use the FCK:
>
> Exception in client-side code.
>    * Message: text has no properties
>    * File:
> http://stmarcus.dyndns.org:8085/kkbib/xforms-server/xforms-htmlarea-dialog-min.js 
>
>    * Line number: 8093
>
> This Dialog appears too often :-( but i already mentioned that! Sorry
> Good luck, Marcus

> Hi Erik,
>
>> Ok so this is the interesting part. Is this with IE or Firefox? What are
>> the exact steps to reproduce?
>
> Just like everytime, when you need to reproduce it, it won't happen to
> do :-(
> I try to find a reproduceable situation and let you know.
> In the meantime, perhaps you wanne test yourself with my webapp....
> Most of the time my testing server is available under
> http://stmarcus.dyndns.org:8085/kkbib
>
> Perhaps you'll find a way to reproduce it...