wls 51 unable to start!! need some help

[kinzaze]

hello
here's my problem i 've installed weblogic5.1 on a machine win200 server and
when i try to start the server i recieve this message
** unable to start server *********
**check root directory (weblogic.system.home) in login dialog****
and i get this message in the message dialog box of weblogic console:

*******************************************The WebLogic Server did not start
up properly.
Exception raised: java.lang.reflect.InvocationTargetException
java.lang.reflect.InvocationTargetException:
java.lang.NoSuchMethodError: weblogic.boot.ServerClassLoader: method
getClassLoadNotify()Lweblogic/boot/ClassLoadNotify; not found
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:140)
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:112)
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:104)
at
weblogic.utils.classloaders.RecursiveReloadOnModifyClassLoader.<init>(Recurs
iveReloadOnModifyClassLoader.java:53)
at
weblogic.utils.classloaders.RecursiveReloadOnModifyClassLoader$SingleSlave.<
init>(RecursiveReloadOnModifyClassLoader.java:149)
at
weblogic.servlet.internal.ServletContextImpl.setClassLoader(ServletContextIm
pl.java:1390)
at
weblogic.servlet.internal.ServletContextImpl.<init>(ServletContextImpl.java:
513)
at weblogic.t3.srvr.HttpServer.initServletContexts(HttpServer.java,
Compiled Code)
at weblogic.t3.srvr.HttpServer.start(HttpServer.java:442)
at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
at java.lang.reflect.Method.invoke(Native Method)
at weblogic.Server.startServerDynamically(Server.java:99)
at weblogic.Server.main(Server.java:65)
at weblogic.Server.main(Server.java:55)
java.lang.NoSuchMethodError: weblogic.boot.ServerClassLoader: method
getClassLoadNotify()Lweblogic/boot/ClassLoadNotify; not found
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:140)
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:112)
at
weblogic.utils.classloaders.GenericClassLoader.<init>(GenericClassLoader.jav
a:104)
at
weblogic.utils.classloaders.RecursiveReloadOnModifyClassLoader.<init>(Recurs
iveReloadOnModifyClassLoader.java:53)
at
weblogic.utils.classloaders.RecursiveReloadOnModifyClassLoader$SingleSlave.<
init>(RecursiveReloadOnModifyClassLoader.java:149)
at
weblogic.servlet.internal.ServletContextImpl.setClassLoader(ServletContextIm
pl.java:1390)
at
weblogic.servlet.internal.ServletContextImpl.<init>(ServletContextImpl.java:
513)
at weblogic.t3.srvr.HttpServer.initServletContexts(HttpServer.java,
Compiled Code)
at weblogic.t3.srvr.HttpServer.start(HttpServer.java:442)
at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
at java.lang.reflect.Method.invoke(Native Method)
at weblogic.Server.startServerDynamically(Server.java:99)
at weblogic.Server.main(Server.java:65)
at weblogic.Server.main(Server.java:55)
***********
Any help would be greatly appreciate
Thank you

--

[Michael Girdley]

This looks like a classpath issue:

http://www.weblogic.com/docs51/techsupport/faq/installation.html#551921

Thanks,
Michael

--
----
Michael Girdley
BEA Systems Inc

"kinzaze" <kin-...@wanadoo.fr> wrote in message
news:39a52abd$1...@newsgroups.bea.com...

[kinzaze]

thanks for your help

--

"Michael Girdley" <in...@bea.com> a écrit dans le message news:
39a54c26$1...@newsgroups.bea.com...

[yxz]

I have same problem that can not start weblogic from console,but can from
command line.
did you solve this problem?