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From "Christian Svensson" <b...@cmd.nu>
Subject Re: Xerces / JPA and Geronimo
Date Mon, 15 Dec 2008 20:59:10 GMT
Hello again.

I put xercesImpl.jar in the endorsed directory and it seems to be working.
At least it survived a couple of redeployments.

Thanks

Greetings,

On Mon, Dec 15, 2008 at 9:49 PM, Christian Svensson <blue@cmd.nu> wrote:

> Hello.
>
> I'm using Geronimo 2.1.4-SNAPSHOT downloaded today.
> Xerces is the latest, 2.9.1 if I'm not mistaken.
>
> I'm putting xercesImpl.jar in my WEB-INF/lib directory.
>
> I'll try experimenting with the endorsed directory.
>
> Greetings.
>
>
> On Mon, Dec 15, 2008 at 9:33 PM, David Jencks <david_jencks@yahoo.com>wrote:
>
>> Which geronimo, which xerces, and how are you making your xerces available
>> to your app?
>> It's been a very long time since I dealt with this kind of problem but I
>> have a faint memory that xml parsers are "endorsed" which basically means
>> that classloading for them is completely messed up.  I think you may need to
>> put your copy of xerces in <geronimo-home>/lib/endorsed.  However I get
>> endorsed and ext mixed up and it might be lib/ext.
>>
>> hope this helps more than it confuses.
>>
>> david jencks
>>
>> On Dec 15, 2008, at 10:53 AM, Christian Svensson wrote:
>>
>> Hello.
>>
>> I'm trying to make OpenJPA and Xerces play along.
>>
>> When I use my code as is without Xerces, everything works until I use new
>> DocumentImpl(); - no surprise there.
>>
>> When I add my xercesImpl.jar, sometimes it works (I suppose when the
>> ClassLoader hasn't got poisoned) and then it stops when I redeploy:
>>
>>  org.apache.openjpa.persistence.PersistenceException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration
cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration
>>
>> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:196)
>>
>> 	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192)
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145)
>>
>>
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56)
>> 	at org.cmd.web.fileserver.Browser.doGet(Browser.java:51)
>>
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
>>
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>> 	at org.apache.geronimo.jetty6.InternalJettyServletHolder.handle(InternalJettyServletHolder.java:65)
>>
>>
>> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>
>>
>> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
>> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext.access$101(TwistyWebAppContext.java:40)
>>
>>
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext$TwistyHandler.handle(TwistyWebAppContext.java:65)
>> 	at org.apache.geronimo.jetty6.handler.ThreadClassloaderHandler.handle(ThreadClassloaderHandler.java:46)
>>
>> 	at org.apache.geronimo.jetty6.handler.InstanceContextHandler.handle(InstanceContextHandler.java:58)
>>
>> 	at org.apache.geronimo.jetty6.handler.UserTransactionHandler.handle(UserTransactionHandler.java:48)
>> 	at org.apache.geronimo.jetty6.handler.ComponentContextHandler.handle(ComponentContextHandler.java:47)
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext.handle(TwistyWebAppContext.java:59)
>>
>>
>> 	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
>> 	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
>>
>>
>> 	at org.mortbay.jetty.Server.handle(Server.java:324)
>> 	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>> 	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
>>
>>
>> 	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
>> 	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>> 	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>> 	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>
>>
>> 	at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
>> 	at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
>> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>
>>
>> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>> 	at java.lang.Thread.run(Thread.java:619)
>> Caused by: java.lang.ClassCastException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration
cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration
>>
>>
>> 	at org.apache.xerces.parsers.DOMParser.(Unknown Source)
>> 	at org.apache.xerces.parsers.DOMParser.(Unknown Source)
>> 	at org.apache.xerces.jaxp.DocumentBuilderImpl.(Unknown Source)
>> 	at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown
Source)
>>
>>
>> 	at org.apache.openjpa.lib.xml.XMLFactory.getDOMParser(XMLFactory.java:107)
>> 	at org.apache.openjpa.jdbc.sql.SQLErrorCodeReader.parse(SQLErrorCodeReader.java:107)
>> 	at org.apache.openjpa.jdbc.sql.DBDictionary.endConfiguration(DBDictionary.java:4128)
>>
>>
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:505)
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:430)
>> 	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:155)
>>
>>
>> 	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:99)
>> 	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:562)
>> 	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1265)
>>
>>
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:505)
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:430)
>> 	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:103)
>>
>>
>> 	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
>> 	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
>> 	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:863)
>>
>>
>> 	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:854)
>> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
>>
>>
>> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:183)
>> 	... 36 more
>>
>> Caused by:
>>
>> java.lang.ClassCastException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration
cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration
>>
>>
>> 	at org.apache.xerces.parsers.DOMParser.(Unknown Source)
>> 	at org.apache.xerces.parsers.DOMParser.(Unknown Source)
>> 	at org.apache.xerces.jaxp.DocumentBuilderImpl.(Unknown Source)
>> 	at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown
Source)
>>
>>
>> 	at org.apache.openjpa.lib.xml.XMLFactory.getDOMParser(XMLFactory.java:107)
>> 	at org.apache.openjpa.jdbc.sql.SQLErrorCodeReader.parse(SQLErrorCodeReader.java:107)
>> 	at org.apache.openjpa.jdbc.sql.DBDictionary.endConfiguration(DBDictionary.java:4128)
>>
>>
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:505)
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:430)
>> 	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:155)
>>
>>
>> 	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:99)
>> 	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:562)
>> 	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1265)
>>
>>
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:505)
>> 	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:430)
>> 	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:103)
>>
>>
>> 	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
>> 	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
>> 	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:863)
>>
>>
>> 	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:854)
>> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
>>
>>
>> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:183)
>> 	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192)
>>
>>
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145)
>> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56)
>>
>>
>> 	at org.cmd.web.fileserver.Browser.doGet(Browser.java:51)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>>
>> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>>
>> 	at org.apache.geronimo.jetty6.InternalJettyServletHolder.handle(InternalJettyServletHolder.java:65)
>> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>
>>
>> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
>> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>>
>>
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext.access$101(TwistyWebAppContext.java:40)
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext$TwistyHandler.handle(TwistyWebAppContext.java:65)
>> 	at org.apache.geronimo.jetty6.handler.ThreadClassloaderHandler.handle(ThreadClassloaderHandler.java:46)
>>
>>
>> 	at org.apache.geronimo.jetty6.handler.InstanceContextHandler.handle(InstanceContextHandler.java:58)
>> 	at org.apache.geronimo.jetty6.handler.UserTransactionHandler.handle(UserTransactionHandler.java:48)
>> 	at org.apache.geronimo.jetty6.handler.ComponentContextHandler.handle(ComponentContextHandler.java:47)
>>
>>
>> 	at org.apache.geronimo.jetty6.handler.TwistyWebAppContext.handle(TwistyWebAppContext.java:59)
>> 	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
>> 	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>>
>>
>> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
>> 	at org.mortbay.jetty.Server.handle(Server.java:324)
>> 	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>> 	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
>>
>>
>> 	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
>> 	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>> 	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>> 	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>
>>
>> 	at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
>> 	at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
>> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>
>>
>> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>> 	at java.lang.Thread.run(Thread.java:619)
>>
>>
>> As a novice I see two options:
>>
>> a) Use the same xerces as OpenJPA - I've been unsuccessful in locating it
>> though.
>> b) Shield the application somehow. I know that EARs have hidden-classes,
>> but reading mailing lists it would see that it does not work with Xerces -
>> why I'm not sure.
>>
>> How do I get around this issue?
>>
>> Greetings,
>> --
>> Christian Svensson
>> Command Systems
>>
>>
>>
>
>
> --
> Christian Svensson
> Command Systems
>



-- 
Christian Svensson
Command Systems

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