The loading of the lib/ext directory jars into the server classpath is done by this
ClassPathExtension MLET entry in jboss.conf:
<!-- Place the config directory in the classpath -->
<MLET CODE = "org.jboss.util.ClassPathExtension" ARCHIVE="jboss.jar"
CODEBASE="../../lib/ext/">
<ARG TYPE="java.lang.String" VALUE="./">
</MLET>
The "./" value is resolved relative to the org.jboss.util.ClassPathExtension codesource
location, so its jar needs to be in the lib/ext directory. Has this been changed?
> I almost have the server starting up from a release done off the the
> jboss_buildmagic branch, but I can't seem to get past some class loading
> issues.
>
> I get to about here:
>
> [Info] Java version: 1.3.1,Sun Microsystems Inc.
> [Info] Java VM: Java HotSpot(TM) Server VM 1.3.1-b24,Sun Microsystems Inc.
> [Info] System: Linux 2.4.7,i386
> [Shutdown] Shutdown hook added
> [ConfigurationService] Could not create MBean
> DefaultDomain:service=Naming(org.jboss.naming.NamingService)
> java.lang.NoClassDefFoundError: org/jnp/server/MainMBean
> at java.lang.ClassLoader.defineClass0(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
>
> and don't get much further. I did have one problem with the WebService
> throwing a NullPointerException because I forgot to include some resource
> files, but I have resolved that.
>
> My question is how does the MLet that is responsible for classloading
> actually find out about lib/ext/*. There certainly is a
> lib/ext/jnpserver.jar which contains:
>
> org/jnp/server/Main.class
> org/jnp/server/MainMBean.class
> org/jnp/server/NamingServer.class
> org/jnp/server/NamingServer_Stub.class
> org/jnp/interfaces/Naming.class
> org/jnp/interfaces/NamingParser.class
> org/jnp/interfaces/java/javaURLContextFactory.class
> org/jnp/interfaces/NamingContext.class
> org/jnp/interfaces/NamingContextFactory.class
> org/jnp/interfaces/NamingEnumerationImpl.class
> org/jnp/interfaces/jnp/jnpURLContextFactory.class
> META-INF/
> META-INF/MANIFEST.MF
>
> From looking at log/server.log there are Add library: debug lines for each
> .jar under lib/ext. Where is the ClassPathExtention bean that loads these?
> Why does it appear as if it has been loaded but the class still can not be
> found.
>
> Any help would be much appreciated. If it helps to actually see the
> problem, try building/running it:
>
> cvs -z3 get -r jboss_buildmagic jboss-all
> cd jboss-all/build
> ./build.sh configure
> ./build.sh -Djavadoc-generated-already=true
> cd output/jboss-2.5alpha-DEV/bin
> ./run.sh
>
> Perhaps you can see something that is wrong right away. I am just getting
> frustrated with it at the moment. =(
>
> --jason
>
>
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