help!!! remote client throws NullPointerException

Anil

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Nov 28, 2001, 1:31:07 PM11/28/01

to

Hi,
I get the following exception
when trying to use a remote client on Win2k with weblogic 6.0 evaluation copy,
trying to connect to a Unix machine running Weblogic 5.1 sp9.
I am simply trying to run te statefulSession bean client example.
please help!
my class path is:
ClassPath=.;C:\jdk\lib\tools.jar;C:\bea\wlserver6.0\lib\weblogic_sp.jar;C:\bea\w
lserver6.0\lib\weblogic.jar;C:\jdk\lib\tools.jar;C:\bea\wlserver6.0\lib\weblogic
_sp.jar;C:\bea\wlserver6.0\lib\weblogic.jar;C:\bea\wlserver6.0\lib\xmlx.jar;C:\b
ea\wlserver6.0\samples\eval\cloudscape\lib\cloudscape.jar;C:\bea\wlserver6.0\con
fig\examples\clientclasses;C:\bea\wlserver6.0\config\examples\serverclasses;C:\b
ea\wlserver6.0\config\examples\applications\examplesWebApp\WEB-INF\classes;C:\bea

--------------------------------------
EXCEPTION
--------------------------------------
java.lang.NullPointerException
at weblogic.rjvm.RJVMManager.findOrCreate(RJVMManager.java:191)
at weblogic.rjvm.RJVMFinder.findOrCreateRemoteServer(RJVMFinder.java:180
)
at weblogic.rjvm.RJVMFinder.findOrCreate(RJVMFinder.java:149)
at weblogic.rjvm.ServerURL.findOrCreateRJVM(ServerURL.java:207)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLIni
tialContextFactoryDelegate.java:235)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLIni
tialContextFactoryDelegate.java:176)
at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialCont
extFactory.java:123)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
65)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:246
)
at javax.naming.InitialContext.init(InitialContext.java:222)
at javax.naming.InitialContext.<init>(InitialContext.java:198)
at examples.ejb.basic.statefulSession.Client.getInitialContext(Client.ja
va:159)
at examples.ejb.basic.statefulSession.Client.lookupHome(Client.java:134)

at examples.ejb.basic.statefulSession.Client.<init>(Client.java:39)
at examples.ejb.basic.statefulSession.Client.main(Client.java:69)
Exception in thread "main" java.lang.NullPointerException
at weblogic.rjvm.RJVMManager.findOrCreate(RJVMManager.java:191)
at weblogic.rjvm.RJVMFinder.findOrCreateRemoteServer(RJVMFinder.java:180
)
at weblogic.rjvm.RJVMFinder.findOrCreate(RJVMFinder.java:149)
at weblogic.rjvm.ServerURL.findOrCreateRJVM(ServerURL.java:207)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLIni
tialContextFactoryDelegate.java:235)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLIni
tialContextFactoryDelegate.java:176)
at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialCont
extFactory.java:123)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
65)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:246
)
at javax.naming.InitialContext.init(InitialContext.java:222)
at javax.naming.InitialContext.<init>(InitialContext.java:198)
at examples.ejb.basic.statefulSession.Client.getInitialContext(Client.ja
va:159)
at examples.ejb.basic.statefulSession.Client.lookupHome(Client.java:134)

at examples.ejb.basic.statefulSession.Client.<init>(Client.java:39)
at examples.ejb.basic.statefulSession.Client.main(Client.java:69)

Dimitri Rakitine

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Nov 28, 2001, 4:43:09 PM11/28/01

to

WebLogic RMI implementations are incompatible between different versions, so,
you have to use 5.1 classes on the client side in order to use RMI to connect
to the 5.1 server.

Anil <aphi...@sprintspectrum.com> wrote:

--
Dimitri

Anil

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Nov 29, 2001, 11:28:08 AM11/29/01

to

Thanks Dmitri,
But what if I were using IIOP - why does it not work when I give the url as iiop://hostname:port?
Anil