We've seen this before... I think it means you have too much
stuff in your CLASSPATH - some of the libraries that are supposed to be
loaded dynamically are instead in your CLASSPATH, and that causes
problems. You shouldn't need any jBoss libraries in your classpath. You
might also search the mailing list archives for
sun.misc.Launcher$AppClassLoader since I know this has come up before and
I'm only relying on a hazy memory here...
Aaron
On Tue, 12 Sep 2000, Tim White wrote:
> I'm getting this when starting up jBoss with Tomcat enabled. Any quick
> tips?
>
> [Tomcat] Initializing
> java.lang.ClassCastException: sun.misc.Launcher$AppClassLoader
> at
> org.jboss.util.ClassPathExtension.preRegister(ClassPathExtension.java
> :47)
> at java.lang.reflect.Method.invoke(Native Method)
> at
> javax.management.MBeanServer.preRegisterInvoker(MBeanServer.java:2253
> )
> at
> javax.management.MBeanServer.createMBean(MBeanServer.java:721)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:385)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:208)
> at org.jboss.Main.<init>(Main.java:111)
> at org.jboss.Main.<init>(Main.java:86)
> at org.jboss.Main$1.run(Main.java:76)
> at java.security.AccessController.doPrivileged(Native Method)
> at org.jboss.Main.main(Main.java:67)
> java.lang.ClassCastException: sun.misc.Launcher$AppClassLoader
> at
> org.jboss.util.ClassPathExtension.preRegister(ClassPathExtension.java
> :47)
> at java.lang.reflect.Method.invoke(Native Method)
> at
> javax.management.MBeanServer.preRegisterInvoker(MBeanServer.java:2253
> )
> at
> javax.management.MBeanServer.createMBean(MBeanServer.java:721)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:385)
> at
> javax.management.MBeanServer.preRegisterInvoker(MBeanServer.java:2253
> )
> at
> javax.management.MBeanServer.createMBean(MBeanServer.java:721)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:385)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:208)
> at org.jboss.Main.<init>(Main.java:111)
> at org.jboss.Main.<init>(Main.java:86)
> at org.jboss.Main$1.run(Main.java:76)
> at java.security.AccessController.doPrivileged(Native Method)
> at org.jboss.Main.main(Main.java:67)
> java.lang.ClassCastException: sun.misc.Launcher$AppClassLoader
> at
> org.jboss.util.ClassPathExtension.preRegister(ClassPathExtension.java
> :47)
> at java.lang.reflect.Method.invoke(Native Method)
> at
> javax.management.MBeanServer.preRegisterInvoker(MBeanServer.java:2253
> )
> at
> javax.management.MBeanServer.createMBean(MBeanServer.java:721)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:385)
> at javax.management.loading.MLet.getMBeansFromURL(MLet.java:208)
> at org.jboss.Main.<init>(Main.java:111)
> at org.jboss.Main.<init>(Main.java:86)
> at org.jboss.Main$1.run(Main.java:76)
> at java.security.AccessController.doPrivileged(Native Method)
> at org.jboss.Main.main(Main.java:67)
>
> It feels like a permission problem somewhere, but I'm not sure...
> --
> Thanks,
>
> Tim
>
>
> --
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