Re: [JXTA discuss] [error of SimpleJxtaApp exection]
Eilyn Peña <[email protected]> Sun, 7 Aug 2005 14:16:05 -0400
| Newsgroups | gmane.comp.java.jxta.general |
|---|---|
| Message-ID | <[email protected]> |
you must create the configuration file, this process is accomplished automatically before initiate the jxta application... 2005/7/28, 임지수 <[email protected]>: > > I am learning jxta at first. Now I'm testing simple code of > ProgGuideExamples.zip. > But I am frustrated at testing of SimpleJxtaApp.java. > I wonder the cause of the error. > The error shows below in detail... > My test platform is fedora core 3. > $ java -version > java version "1.4.2" > jdkgcj 0.3.1 (http://www.arklinux.org/projects/jdkgcj) > gcj (GCC) 3.4.2 20041017 (Red Hat 3.4.2-6.fc3) > Copyright (C) 2004 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE > # ls > SimpleJxtaApp.class SimpleJxtaApp.java client runIt.bat runit.sh > # ./runit.sh > Starting JXTA .... > <INFO 2005-07-28 05:40:03,281 NullConfigurator::File) :?> JXTA_HOME = > /home/jslim/jxta/ProgGuideExamples/jxta_devguide/HelloWorld/client > <ERROR 2005-07-28 05:40:03,327 NullConfigurator::File) :?> PlatformConfig > does not exist > <INFO 2005-07-28 05:40:03,388 NullConfigurator::File) :?> > /home/jslim/jxta/ProgGuideExamples/jxta_devguide/HelloWorld/client/jxta.properties > already exists > Exception in thread "main" java.lang.ExceptionInInitializerError > at java.lang.Class.initializeClass() (/usr/lib/libgcj.so.5.0.0) > at java.lang.Class.isInstance(java.lang.Object) (/usr/lib/libgcj.so.5.0.0) > at net.jxta.peergroup.PeerGroupFactory.newPlatform() (Unknown Source) > at net.jxta.peergroup.PeerGroupFactory.newNetPeerGroup() (Unknown Source) > at SimpleJxtaApp.startJxta() (Unknown Source) > at SimpleJxtaApp.main(java.lang.String[]) (Unknown Source) > Caused by: java.lang.NullPointerException > at net.jxta.id.IDFactory.fromURI(java.net.URI) (Unknown Source) > at net.jxta.id.ID.create(java.net.URI) (Unknown Source) > at net.jxta.peergroup.PeerGroup.<clinit>() (Unknown Source) > at java.lang.Class.initializeClass() (/usr/lib/libgcj.so.5.0.0) > ...5 more > # > -- Eilyn