Okay, I have some good news (sort of). Andrew was able to reproduce this, 
which means that I'm the one who's crazy.  ;)  Something about my setup 
has been changed, and I need to find out what; most importantly, I need to 
find out what was changed to make it work on my end. I will open a JIRA 
item to track this.

Dan


Giovanni Fleres <[EMAIL PROTECTED]> wrote on 11/03/2006 09:02:44 AM:

> Hi,
> on a clean machine I've just tried to run apache-httpd sample with 
> JDK 1.4.2
> but I've always the same error:
> 
> --------------- Begin Log 
> -----------------------------------------------
> 
> java.lang.
> NullPointerException
>    at org.apache.muse.core.serializer.xstream.
> XStreamSerializer$JavaFieldConverter.realClass(XStreamSerializer.java:
> 211)
>    at com.thoughtworks.xstream.mapper.MapperWrapper.realClass
> (MapperWrapper.java:18)
>    at com.thoughtworks.xstream.mapper.
> CachingMapper.realClass(CachingMapper.java:28)
>    at com.thoughtworks.
> xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:95)
>    at com.
> thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal
> (ReferenceByXPathMarshallingStrategy.java:12)
>    at com.thoughtworks.
> xstream.XStream.unmarshal(XStream.java:521)
>    at com.thoughtworks.
> xstream.XStream.unmarshal(XStream.java:500)
>    at org.apache.muse.core.
> serializer.xstream.XStreamSerializer.fromXML(XStreamSerializer.java:
> 125)
>    at org.apache.muse.ws.resource.properties.impl.WsrpUtils.
> convertToObjects(WsrpUtils.java:128)
>    at org.apache.muse.ws.resource.
> remote.WsResourceClient.getPropertyAsObject(WsResourceClient.java:127)
> 
> at org.apache.muse.test.http.remote.HttpServerClient.
> getSupportedLanguage(HttpServerClient.java:86)
>    at org.apache.muse.test.
> http.testapp.HttpServerTestApp.main(HttpServerTestApp.java:91)
> 
> --------------- End Log -----------------------------------------------
> 
> My configuration is:
> 
> - ANT 1.6.5
> - Apache 2.2.3
> - Eclipse 3.2.1 ( 
> from wtp-all-in-one-sdk-R-1.5.0-200606281455-win32.zip ) 
> - muse-2.1.0-
> SNAPSHOT-bin.zip
> - Sun JDK 1.4.2_12
> - Tomcat 5.0.28
> - Windows XP SP2
> 
> Any idea ?
> 
> Giovanni
> 
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