Great!!! Could u please log a bug in JIRA?
thanks,
dims
On 1/15/06, Edward Blazer <[EMAIL PROTECTED]> wrote:
> Dims,
>
> Great idea. I did just that and it worked for the most part, but I also had
> to tweak ClassLoaders.java around line 46.
>
> public ClassLoader get(int idx) {
> ClassLoader cl =
> (ClassLoader)classLoaders.elementAt(idx);
> try {
> cl.toString();
> return cl;
> } catch (NullPointerException e) {
> return
> Thread.currentThread().getContextClassLoader().getParent();
> }
> }
>
> It seems that the vector of ClassLoader's had a reference to the ClassLoader
> that was used for the containers first deployment, but when the container
> was stopped, that classLoader should have been thrown away. So, on
> redeployment, this method would return that old classloader which wasn't
> null, but also didn't work. i.e. (cl == null) would return false, but
> cl.toString() would throw the NPE for the 'dead' reference (is there a
> better term for this?). Anyway, it's not pretty, but it works for my needs.
>
> Thanks!
>
>
> On 1/15/06, Davanum Srinivas <[EMAIL PROTECTED]> wrote:
> > Please get the latest sources for commons-discovery and build it
> > yourself to see if that works. I remember some check-ins, but don't
> > remember if there was a release after that.
> >
> > thanks,
> > dims
> >
> > On 1/15/06, Edward Blazer < [EMAIL PROTECTED]> wrote:
> > > Hi,
> > >
> > > I've googled the topic to death but can't find a solution to the
> infamous
> > > NullPointerException caused by Axis/Commons-Discovery during a servlet
> > > restart (error occurs for many different vendors; jboss, jetty, others?)
> My
> > > application has an embedded server (jetty) for serving Axis WebServices,
> but
> > > also acts as a client of web-services. I've discovered that if I remove
> the
> > > Axis libraries from the applications classpath that it can restart
> without
> > > error, however this causes a problem when the application tries to
> consume
> > > web-services since Axis isn't in the classpath.
> > >
> > > Any ideas?
> > >
> > > Thanks
> > >
> > > java.lang.NullPointerException
> > > at
> > >
> org.mortbay.http.ContextLoader.getResource(ContextLoader.java:257)
> > > at
> > >
> org.apache.commons.discovery.jdk.JDK12Hooks.getResources
> > > (JDK12Hooks.java :149)
> > > at
> > >
> org.apache.commons.discovery.resource.DiscoverResources$1.getNextResources(DiscoverResources.java:153)
> > > at
> > >
> org.apache.commons.discovery.resource.DiscoverResources$1.getNextResource
> (DiscoverResources.java
> > > :129)
> > > at
> > >
> org.apache.commons.discovery.resource.DiscoverResources$1.hasNext(DiscoverResources.java:116)
> > > at
> > >
> org.apache.commons.discovery.resource.names.DiscoverNamesInFile$1.getNextClassNames
> (DiscoverNamesInFile.java
> > > :186)
> > > at
> > >
> org.apache.commons.discovery.resource.names.DiscoverNamesInFile$1.getNextClassName(DiscoverNamesInFile.java:170)
> > > at
> > >
> org.apache.commons.discovery.resource.names.DiscoverNamesInFile$1.hasNext
> (DiscoverNamesInFile.java
> > > :157)
> > > at
> > >
> org.apache.commons.discovery.resource.names.NameDiscoverers$1.getNextIterator(NameDiscoverers.java:143)
> > > at
> > >
> org.apache.commons.discovery.resource.names.NameDiscoverers$1.hasNext
> (NameDiscoverers.java
> > > :126)
> > > at
> > >
> org.apache.commons.discovery.resource.classes.ResourceClassDiscoverImpl$1.getNextResource(ResourceClassDiscoverImpl.java:159)
> > > at
> > >
> org.apache.commons.discovery.resource.classes.ResourceClassDiscoverImpl$1.hasNext
> > > (ResourceClassDiscoverImpl.java:147)
> > > at
> > >
> org.apache.axis.configuration.EngineConfigurationFactoryFinder$1.run(EngineConfigurationFactoryFinder.java:120)
> > > at java.security.AccessController.doPrivileged
> (Native
> > > Method)
> > > at
> > >
> org.apache.axis.configuration.EngineConfigurationFactoryFinder.newFactory(EngineConfigurationFactoryFinder.java:113)
> > > at
> > >
> org.apache.axis.transport.http.AxisServletBase.getEngineEnvironment
> (AxisServletBase.java
> > > :273)
> > > at
> > >
> org.apache.axis.transport.http.AxisServletBase.getEngine(AxisServletBase.java:172)
> > > at
> > >
> org.apache.axis.transport.http.AxisServletBase.getOption
> (AxisServletBase.java:396)
> > > at
> org.apache.axis.transport.http.AxisServletBase.init
> > > (AxisServletBase.java:112)
> > > at
> > >
> javax.servlet.GenericServlet.init(GenericServlet.java:168)
> > > at
> > >
> org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:383)
> > > at org.mortbay.jetty.servlet.ServletHolder.start
> > > (ServletHolder.java:243)
> > > at
> > >
> org.mortbay.jetty.servlet.ServletHandler.initializeServlets
> (ServletHandler.java:446)
> > > at
> > >
> org.mortbay.jetty.servlet.WebApplicationHandler.initializeServlets(WebApplicationHandler.java
> > > :321)
> > > at
> > > org.mortbay.jetty.servlet.WebApplicationContext.doStart
> (WebApplicationContext.java:509)
> > > at
> org.mortbay.util.Container.start(Container.java:72)
> > > at
> org.mortbay.http.HttpServer.doStart(HttpServer.java
> > > :708)
> > > at org.mortbay.util.Container.start
> (Container.java:72)
> > > at JettyTest2.start(JettyTest2.java:35)
> > > at JettyTest2.testDoubleStartStop(JettyTest2.java:30)
> > > at JettyTest2.main(JettyTest2.java:22)
> >
> >
> > --
> > Davanum Srinivas : http://wso2.com/blogs/
> >
>
>
--
Davanum Srinivas : http://wso2.com/blogs/
