Do you have org.apache.sling.jcr.api deployed any more ( I assume you are not 
on trunk/head at 909472 which does export all of that from the sling jcr api ) ?

Ian

On 12 Feb 2010, at 16:34, Justin Edelson wrote:

> According to the console, jackrabbit-server, commons-auth, and jcr.base
> all import javax.jcr from the same bundle (jcr.api).
> 
> On 2/12/10 11:29 AM, Ian Boston wrote:
>> Is it possible the Sessions are coming from different classloaders ?
>> One embedded inside the server bundle (or perhapse base) and the other 
>> deployed directly ?
>> 
>> class != class often means the bytecode came from a different classloader.
>> 
>> Ian
>> 
>> 
>> 
>> On 12 Feb 2010, at 16:22, Justin Edelson wrote:
>> 
>>> I'm at a loss here. Carsten (or anyone else) - any idea what's up with
>>> the request below?
>>> 
>>> debugging, I can see that the actual Session class is XASessionImpl.
>>> javax.jcr.Session is indeed one of the interfaces passed to
>>> Proxy.newProxyInstance(). The class loader looks right (the bundle
>>> classloader for jackrabbit-server).
>>> 
>>> This is with the current trunk.
>>> 
>>> Justin
>>> 
>>> $ curl -u admin:admin http://localhost:8888/index.html?sudo=anonymous
>>> <html>
>>> <head>
>>> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
>>> <title>Error 500
>>> org.apache.sling.jcr.base.SessionProxyHandler$SessionProxy cannot be
>>> cast to javax.jcr.Session</title>
>>> </head>
>>> <body><h2>HTTP ERROR 500</h2>
>>> <p>Problem accessing /index.html. Reason:
>>> <pre>    org.apache.sling.jcr.base.SessionProxyHandler$SessionProxy
>>> cannot be cast to javax.jcr.Session</pre></p><h3>Caused
>>> by:</h3><pre>java.lang.ClassCastException:
>>> org.apache.sling.jcr.base.SessionProxyHandler$SessionProxy cannot be
>>> cast to javax.jcr.Session
>>>     at $Proxy0.impersonate(Unknown Source)
>>>     at
>>> org.apache.sling.commons.auth.impl.SlingAuthenticator.handleImpersonation(SlingAuthenticator.java:870)
>>>     at
>>> org.apache.sling.commons.auth.impl.SlingAuthenticator.getSession(SlingAuthenticator.java:538)
>>>     at
>>> org.apache.sling.commons.auth.impl.SlingAuthenticator.handleSecurity(SlingAuthenticator.java:351)
>>>     at
>>> org.apache.sling.engine.impl.SlingMainServlet.handleSecurity(SlingMainServlet.java:859)
>>>     at
>>> org.apache.felix.http.base.internal.context.ServletContextImpl.handleSecurity(ServletContextImpl.java:224)
>>>     at
>>> org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:86)
>>>     at
>>> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:77)
>>>     at
>>> org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
>>>     at
>>> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
>>>     at
>>> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>>>     at
>>> org.apache.sling.launchpad.testservices.filters.TestFilter.doFilter(TestFilter.java:50)
>>>     at
>>> org.apache.sling.launchpad.testservices.filters.HttpServiceExtFilter.doFilter(HttpServiceExtFilter.java:31)
>> 
> 

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