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From Scott T Weaver <scotts-jetspeed-l...@binary-designs.net>
Subject Re: [J2] Using FileSystem PAM from web app class loader
Date Mon, 21 Jun 2004 17:58:42 GMT
On Mon, 2004-06-21 at 13:46, Serge Huber wrote:
> Found my problem !!
> 
> It's amazing, but it actually explains why the problem was not happening to 
> everybody. It's a problem that only exists with JDK 1.4.2_01 and earlier. 
> It seems that in JDK 1.4.2_02 the implementation of classloading for the 
> factory has changed. Before _02 they used the System class loader, whereas 
> in _02 and later if the class is not found in the system class loader, it 
> then tries in the Thread class loader.

I am using 1.4.2_04-b05 on Mandrake Linux and have the same problem you
and Ate were having.  Hmm, maybe they forgot to fix the Linux dist!

> 
> For more details go to :
> 
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4788410
> 
> To confirm I upgraded to JDK 1.4.2_04 and I now have the preference factory 
> loading fine.
> 
> Now this begs the question : do we want J2 to require JDK 1.4.2_02 or later 
> or do we need to change the pref api implementation to be more portable ?
> 
> Regards,
>    Serge Huber.
> 
> At 18:59 21.06.2004, you wrote:
> 
> >I forgot to mention my environment :
> >
> >- latest J2 from CVS HEAD, including Ate's properties change
> >- Windows XP SP 1
> >- Sun JDK 1.4.2_01
> >- Tomcat 4.1.30
> >
> >My guess about this problem is that as the JVM's Preferences impl uses the 
> >system class loader (see my previous mail), we cannot access the 
> >PreferencesFactoryImpl which is in a child class loader (the webapp's 
> >class loader). Now I would love to be able to propose a workaround, but 
> >since this seems to be a problem with the JDK's implementation and doesn't 
> >offer an alternate way to set a class loader, I'm not sure there are any 
> >options...
> >
> >Anyway, it might also just be my setup. Can somebody reproduce this problem ?
> >
> >Regards,
> >   Serge Huber.
> >
> >At 18:44 21.06.2004, you wrote:
> >
> >>Scott,
> >>
> >>I did a complete checkout of J2, then :
> >>
> >>allClean
> >>allBuild
> >>quickStart
> >>
> >>and then started Tomcat, here is the log of what happened :
> >>
> >>  INFO: Preparing to deploy portlet app "HW_App"
> >>  INFO: Deploying portlet applicaion WAR demo.war
> >>  INFO: Portlet application deployment target directory is 
> >> C:\java\technologies\jakarta-tomcat\webapps/HW_App
> >>java.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at java.util.prefs.Preferences.<clinit>(Preferences.java:204)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.createPrefenceNode(PrefsPreference.java:540)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.<init>(PrefsPreference.java:73)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletPreferenceRule.end(PortletPreferenceRule.java:74)
> >>         at 
> >> org.apache.commons.digester.Digester.endElement(Digester.java:1058)
> >>         at 
> >> org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> >> Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> >>         at org.apache.commons.digester.Digester.parse(Digester.java:1586)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:146)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationWar.createPortletApp(PortletApplicationWar.java:213)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:346)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:297)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.deploy(FileSystemPAM.java:89)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.CatalinaPAM.deploy(CatalinaPAM.java:76)
> >>         at 
> >> org.apache.jetspeed.deployment.impl.DeployPortletAppEventListener.invoke(DeployPortletAppEventListener.java:114)
> >>         at 
> >> org.apache.jetspeed.deployment.DeploymentEventDispatcher.dispatch(DeploymentEventDispatcher.java:64)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.deployNewArtifacts(FileSystemScanner.java:125)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.run(FileSystemScanner.java:88)
> >>ERROR: Unable to register portlet application, HW_App, through the 
> >>portlet registry: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could not
> >>unmarshal portlet.xml. java.lang.InternalError: Can't instantiate 
> >>Preferences factory java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.Preferenc
> >>esFactoryImpl
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could 
> >>not unmarshal portlet.xml. java.lang.InternalError: Can't instantiate 
> >>Preferences factory
> >>  java.lang.ClassNotFoundException: 
> >> org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:172)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationWar.createPortletApp(PortletApplicationWar.java:213)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:346)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:297)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.deploy(FileSystemPAM.java:89)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.CatalinaPAM.deploy(CatalinaPAM.java:76)
> >>         at 
> >> org.apache.jetspeed.deployment.impl.DeployPortletAppEventListener.invoke(DeployPortletAppEventListener.java:114)
> >>         at 
> >> org.apache.jetspeed.deployment.DeploymentEventDispatcher.dispatch(DeploymentEventDispatcher.java:64)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.deployNewArtifacts(FileSystemScanner.java:125)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.run(FileSystemScanner.java:88)
> >>Caused by: java.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImp
> >>l
> >>         at java.util.prefs.Preferences.<clinit>(Preferences.java:204)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.createPrefenceNode(PrefsPreference.java:540)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.<init>(PrefsPreference.java:73)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletPreferenceRule.end(PortletPreferenceRule.java:74)
> >>         at 
> >> org.apache.commons.digester.Digester.endElement(Digester.java:1058)
> >>         at 
> >> org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> >> Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> >>         at org.apache.commons.digester.Digester.parse(Digester.java:1586)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:146)
> >>         ... 9 more
> >>ERROR: Unexpected exception deploying portlet application: 
> >>org.apache.jetspeed.components.portletregistry.RegistryException: Unable 
> >>to register portlet applicat
> >>ion, HW_App, through the portlet registry: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could 
> >>not unmarshal portlet.xml. java.lang.InternalE
> >>rror: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl attempting rollback...
> >>org.apache.jetspeed.components.portletregistry.RegistryException: Unable 
> >>to register portlet application, HW_App, through the portlet registry: 
> >>org.apache.jetsp
> >>eed.tools.pamanager.PortletApplicationException: Could not unmarshal 
> >>portlet.xml. java.lang.InternalError: Can't instantiate Preferences 
> >>factory java.lang.Class
> >>NotFoundException: org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:383)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:297)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.deploy(FileSystemPAM.java:89)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.CatalinaPAM.deploy(CatalinaPAM.java:76)
> >>         at 
> >> org.apache.jetspeed.deployment.impl.DeployPortletAppEventListener.invoke(DeployPortletAppEventListener.java:114)
> >>         at 
> >> org.apache.jetspeed.deployment.DeploymentEventDispatcher.dispatch(DeploymentEventDispatcher.java:64)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.deployNewArtifacts(FileSystemScanner.java:125)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.run(FileSystemScanner.java:88)
> >>Caused by: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could 
> >>not unmarshal portlet.xml. java.lang.InternalError: Can't instantiate Preferen
> >>ces factory java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:172)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationWar.createPortletApp(PortletApplicationWar.java:213)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:346)
> >>         ... 7 more
> >>Caused by: java.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImp
> >>l
> >>         at java.util.prefs.Preferences.<clinit>(Preferences.java:204)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.createPrefenceNode(PrefsPreference.java:540)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.<init>(PrefsPreference.java:73)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletPreferenceRule.end(PortletPreferenceRule.java:74)
> >>         at 
> >> org.apache.commons.digester.Digester.endElement(Digester.java:1058)
> >>         at 
> >> org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> >> Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> >>         at org.apache.commons.digester.Digester.parse(Digester.java:1586)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:146)
> >>         ... 9 more
> >>  INFO: Exception in deploy. Rollback of application deployment...
> >>  INFO: Rollback: Remove 
> >> C:\java\technologies\jakarta-tomcat\webapps/HW_App and all sub-directories.
> >>ERROR: org.apache.jetspeed.deployment.DeploymentException: Error 
> >>deploying portlet app: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: org.apa
> >>che.jetspeed.components.portletregistry.RegistryException: Unable to 
> >>register portlet application, HW_App, through the portlet registry: 
> >>org.apache.jetspeed.too
> >>ls.pamanager.PortletApplicationException: Could not unmarshal 
> >>portlet.xml. java.lang.InternalError: Can't instantiate Preferences 
> >>factory java.lang.ClassNotFoun
> >>dException: org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>org.apache.jetspeed.deployment.DeploymentException: Error deploying 
> >>portlet app: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: org.apache.jet
> >>speed.components.portletregistry.RegistryException: Unable to register 
> >>portlet application, HW_App, through the portlet registry: 
> >>org.apache.jetspeed.tools.pama
> >>nager.PortletApplicationException: Could not unmarshal portlet.xml. 
> >>java.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundExcept
> >>ion: org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.deployment.impl.DeployPortletAppEventListener.invoke(DeployPortletAppEventListener.java:128)
> >>         at 
> >> org.apache.jetspeed.deployment.DeploymentEventDispatcher.dispatch(DeploymentEventDispatcher.java:64)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.deployNewArtifacts(FileSystemScanner.java:125)
> >>         at 
> >> org.apache.jetspeed.deployment.fs.FileSystemScanner.run(FileSystemScanner.java:88)
> >>Caused by: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: 
> >>org.apache.jetspeed.components.portletregistry.RegistryException: Unable 
> >>to register
> >>  portlet application, HW_App, through the portlet registry: 
> >> org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could 
> >> not unmarshal portlet.xml. ja
> >>va.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:319)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.deploy(FileSystemPAM.java:89)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.CatalinaPAM.deploy(CatalinaPAM.java:76)
> >>         at 
> >> org.apache.jetspeed.deployment.impl.DeployPortletAppEventListener.invoke(DeployPortletAppEventListener.java:114)
> >>         ... 3 more
> >>Caused by: 
> >>org.apache.jetspeed.components.portletregistry.RegistryException: Unable 
> >>to register portlet application, HW_App, through the portlet registry: org.a
> >>pache.jetspeed.tools.pamanager.PortletApplicationException: Could not 
> >>unmarshal portlet.xml. java.lang.InternalError: Can't instantiate 
> >>Preferences factory java
> >>.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:383)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:297)
> >>         ... 6 more
> >>Caused by: 
> >>org.apache.jetspeed.tools.pamanager.PortletApplicationException: Could 
> >>not unmarshal portlet.xml. java.lang.InternalError: Can't instantiate Preferen
> >>ces factory java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:172)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationWar.createPortletApp(PortletApplicationWar.java:213)
> >>         at 
> >> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:346)
> >>         ... 7 more
> >>Caused by: java.lang.InternalError: Can't instantiate Preferences factory 
> >>java.lang.ClassNotFoundException: 
> >>org.apache.jetspeed.prefs.impl.PreferencesFactoryImp
> >>l
> >>         at java.util.prefs.Preferences.<clinit>(Preferences.java:204)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.createPrefenceNode(PrefsPreference.java:540)
> >>         at 
> >> org.apache.jetspeed.om.preference.impl.PrefsPreference.<init>(PrefsPreference.java:73)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletPreferenceRule.end(PortletPreferenceRule.java:74)
> >>         at 
> >> org.apache.commons.digester.Digester.endElement(Digester.java:1058)
> >>         at 
> >> org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown

> >> Source)
> >>         at 
> >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> >> Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> >>         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> >>         at org.apache.commons.digester.Digester.parse(Digester.java:1586)
> >>         at 
> >> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:146)
> >>         ... 9 more
> >>  INFO: Loading portlet application from web archive 
> >> C:\java\technologies\jakarta-tomcat\webapps\jetspeed\WEB-INF\deploy\jetspeed-layouts.war
> >>  INFO: Preparing to deploy portlet app "jetspeed"
> >>  INFO: jetspeed-layouts.war will be registered as a local portlet 
> >> applicaiton.
> >>  INFO: Portlet application deployment target directory is jetspeed/jetspeed
> >>  INFO: Did not load exteneded metadata as it most likely does not 
> >> exist.  org.apache.commons.vfs.FileSystemException: Could not read from 
> >> "jar:file://C:/java/te
> >>chnologies/jakarta-tomcat/webapps/jetspeed/WEB-INF/deploy/jetspeed-layouts.war!/WEB-INF/jetspeed-portlet.xml"

> >>because it is a not a file.
> >>  INFO: Loading web.xml into memory....
> >>  INFO: Saving the portlet.xml in the registry...
> >>  INFO: Committing registry changes...
> >>  INFO: FileSystem deployment done.
> >>  INFO: Adding 
> >> jar:file://C:/java/technologies/jakarta-tomcat/webapps/jetspeed/WEB-INF/deploy/jetspeed-layouts.war!/WEB-INF/classes
> >> to class path.
> >>  INFO: Portlet app "jetspeed" successfuly deployed.
> >>  INFO: Loading portlet application from web archive 
> >> C:\java\technologies\jakarta-tomcat\webapps\jetspeed\WEB-INF\deploy\pam.war
> >>  INFO: Preparing to deploy portlet app "pam"
> >>  INFO: Deploying portlet applicaion WAR pam.war
> >>  INFO: Portlet application deployment target directory is 
> >> C:\java\technologies\jakarta-tomcat\webapps/pam
> >>Writing out infused web.xml for pam
> >>  INFO: Loading web.xml into memory....
> >>  INFO: Saving the portlet.xml in the registry...
> >>  INFO: Committing registry changes...
> >>  INFO: FileSystem deployment done.
> >>  INFO: Catalina deployment response: OK - Application installTe pour le 
> >> chemin de contexte /pam
> >>
> >>  INFO: Portlet app "pam" successfuly deployed.
> >>  INFO: Loading portlet application from web archive 
> >> C:\java\technologies\jakarta-tomcat\webapps\jetspeed\WEB-INF\deploy\security.war
> >>  INFO: Preparing to deploy portlet app "security"
> >>  INFO: Deploying portlet applicaion WAR security.war
> >>  INFO: Portlet application deployment target directory is 
> >> C:\java\technologies\jakarta-tomcat\webapps/security
> >>Writing out infused web.xml for security
> >>  INFO: Loading web.xml into memory....
> >>  INFO: Saving the portlet.xml in the registry...
> >>  INFO: Committing registry changes...
> >>  INFO: FileSystem deployment done.
> >>  INFO: Catalina deployment response: OK - Application installTe pour le 
> >> chemin de contexte /security
> >>
> >>  INFO: Portlet app "security" successfuly deployed.
> >>  INFO: Loading portlet application from web archive 
> >> C:\java\technologies\jakarta-tomcat\webapps\jetspeed\WEB-INF\deploy\struts-demo.war
> >>  INFO: Preparing to deploy portlet app "struts-demo"
> >>  INFO: Deploying portlet applicaion WAR struts-demo.war
> >>  INFO: Portlet application deployment target directory is 
> >> C:\java\technologies\jakarta-tomcat\webapps/struts-demo
> >>Writing out infused web.xml for struts-demo
> >>  INFO: Did not load exteneded metadata as it most likely does not 
> >> exist.  org.apache.commons.vfs.FileSystemException: Could not read from 
> >> "jar:file://C:/java/te
> >>chnologies/jakarta-tomcat/webapps/jetspeed/WEB-INF/deploy/struts-demo.war!/WEB-INF/jetspeed-portlet.xml"

> >>because it is a not a file.
> >>  INFO: Loading web.xml into memory....
> >>  INFO: Saving the portlet.xml in the registry...
> >>  INFO: Committing registry changes...
> >>  INFO: FileSystem deployment done.
> >>  INFO: Catalina deployment response: OK - Application installTe pour le 
> >> chemin de contexte /struts-demo
> >>
> >>  INFO: Portlet app "struts-demo" successfuly deployed.
> >>
> >>So it seems that even within the J2 webapp there is a problem with the 
> >>class loading of the preference factory. What is strange is that some PAs 
> >>deployed, but I guess they don't use any preferences ?
> >>
> >>Regards,
> >>   Serge Huber.
> >>
> >>At 16:43 21.06.2004, you wrote:
> >>
> >>>Hi Scott,
> >>>
> >>>Actually I'm calling the FileSystemPAM from my own deployer, within 
> >>>Jahia. Maybe I'm missing something in my deployment ? I have the 
> >>>jetspeed-prefs*.jar in the WEB-INF/lib directory, along with all of J2, 
> >>>and I updated the assembly script a few hours ago.
> >>>
> >>>I didn't test with auto-deploy, but I could to see if it works better.
> >>>
> >>>Regards,
> >>>   Serge...
> >>>
> >>>At 16:31 21.06.2004, you wrote:
> >>>>Hi Serge,
> >>>>
> >>>>
> >>>>Is this exception coming from auto-deployment?  Because I am not having
> >>>>any issues with deployment.  I made PreferenceProviderImpl Startable
so
> >>>>this wouldn't happen, maybe this doesn't address all possible scenarios
> >>>>though.
> >>>>
> >>>>
> >>>>On Mon, 2004-06-21 at 10:23, Serge Huber wrote:
> >>>> > Hi,
> >>>> >
> >>>> > I'm having some problem using the FileSystemPAM from within a web
app
> >>>> > context (seems to work in the tests, which use the system class
loader).
> >>>> >
> >>>> > Basically I get the following exception :
> >>>> >
> >>>> > java.lang.InternalError: Can't instantiate Preferences factory
> >>>> > java.lang.ClassNotFoundException:
> >>>> > org.apache.jetspeed.prefs.impl.PreferencesFactoryImpl
> >>>> >
> >>>> >          at java.util.prefs.Preferences.<clinit>(Preferences.java:204)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.om.preference.impl.PrefsPreference.createPrefenceNode(PrefsPreference.java:540)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.om.preference.impl.PrefsPreference.<init>(PrefsPreference.java:73)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.util.descriptor.PortletPreferenceRule.end(PortletPreferenceRule.java:74)
> >>>> >          at 
> >>>> org.apache.commons.digester.Digester.endElement(Digester.java:1058)
> >>>> >          at 
> >>>> org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown
> >>>> > Source)
> >>>> >          at
> >>>> > 
> >>>> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown
> >>>> > Source)
> >>>> >          at
> >>>> > 
> >>>> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown

> >>>>
> >>>> > Source)
> >>>> >          at
> >>>> > 
> >>>> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> >>>> > Source)
> >>>> >          at 
> >>>> org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> >>>> >          at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown

> >>>> Source)
> >>>> >          at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> >>>> >          at 
> >>>> org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> >>>> >          at 
> >>>> org.apache.commons.digester.Digester.parse(Digester.java:1586)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.util.descriptor.PortletApplicationDescriptor.createPortletApplication(PortletApplicationDescriptor.java:146)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.util.descriptor.PortletApplicationWar.createPortletApp(PortletApplicationWar.java:213)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.tools.pamanager.FileSystemPAM.registerApplication(FileSystemPAM.java:346)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.tools.pamanager.FileSystemPAM.sysDeploy(FileSystemPAM.java:297)
> >>>> >          at
> >>>> > 
> >>>> org.apache.jetspeed.tools.pamanager.FileSystemPAM.deploy(FileSystemPAM.java:89)
> >>>> >
> >>>> > I looked at the JDK's source and found the following code when

> >>>> loading the
> >>>> > PreferenceFactory implementation :
> >>>> >
> >>>> >              factory = (PreferencesFactory)
> >>>> >                 Class.forName(factoryName, false,
> >>>> > ClassLoader.getSystemClassLoader()).newInstance();
> >>>> >
> >>>> > If this means what I think it does, the preference factory may
only be
> >>>> > loaded from the root class loader, which means that we would need
to 
> >>>> deploy
> >>>> > the jetspeed-prefs*.jar into Tomcat's classpath or something.
> >>>> >
> >>>> > Is this analysis correct ? If so, how to we get around this ?
> >>>> >
> >>>> > Regards,
> >>>> >    Serge Huber.
> >>>> >
> >>>> >
> >>>> >
> >>>> > - -- --- -----=[ shuber2 at jahia dot com ]=---- --- -- -
> >>>> > www.jahia.org : A collaborative source CMS and Portal Server
> >>>> >
> >>>> >
> >>>> >
> >>>> > ---------------------------------------------------------------------
> >>>> > To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> >>>> > For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> >>>>
> >>>>Regards,
> >>>>--
> >>>>******************************************
> >>>>*           Scott T. Weaver              *
> >>>>*         <weaver@apache.org>            *
> >>>>*     <http://www.einnovation.com>       *
> >>>>* -------------------------------------- *
> >>>>*   Apache Jetspeed Enterprise Portal    *
> >>>>*     Apache Pluto Portlet Container     *
> >>>>*                                        *
> >>>>* OpenEditPro, Website Content Mangement *
> >>>>*     <http://www.openeditpro.com>       *
> >>>>******************************************
> >>>>
> >>>>
> >>>>---------------------------------------------------------------------
> >>>>To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> >>>>For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> >>>
> >>>- -- --- -----=[ shuber2 at jahia dot com ]=---- --- -- -
> >>>www.jahia.org : A collaborative source CMS and Portal Server
> >>>
> >>>
> >>>---------------------------------------------------------------------
> >>>To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> >>>For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> >>
> >>- -- --- -----=[ shuber2 at jahia dot com ]=---- --- -- -
> >>www.jahia.org : A collaborative source CMS and Portal Server
> >>
> >>
> >>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> >>For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> >
> >- -- --- -----=[ shuber2 at jahia dot com ]=---- --- -- -
> >www.jahia.org : A collaborative source CMS and Portal Server
> >
> >
> >---------------------------------------------------------------------
> >To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> >For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> 
> - -- --- -----=[ shuber2 at jahia dot com ]=---- --- -- -
> www.jahia.org : A collaborative source CMS and Portal Server 
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org
> 


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