Thanks Bongjae for analyzing and locating the problem.
Mo, could you look into this and figure what's the impact of not having
a version string ? Perhaps there is an easy workaround.
Thanks
Shreedhar
Bongjae Chang wrote:
> Hi.
> I tried totest current shoal version in *IBM JDK 1.6*.
> ButGMS failed to jointhe group in IBM JDK 1.6.
> Here is error log.
> ---------------------
> 2009. 3. 21 오후 6:21:17 com.sun.enterprise.jxtamgmt.JxtaUtil
> configureJxtaLogging
> CONFIG: gms configureJxtaLogging: set jxta logging to default of SEVERE
> 2009. 3. 21 오후 6:21:18 com.sun.enterprise.jxtamgmt.NetworkManager
> initWPGF
> CONFIG: initWPGF
> storeHome=/home/bluewolf/project/jeus7trunk/target/jeus/domains/dvt/data/gms/dvt
>
> 2009. 3. 21 오후 6:21:18 com.sun.enterprise.jxtamgmt.NetworkManager
> <init>
> *SEVERE: Could not locate World PeerGroup Module Implementation.
> *Throwable occurred: net.jxta.exception.PeerGroupException: Could not
> locate World PeerGroup Module Implementation.
> at
> net.jxta.peergroup.WorldPeerGroupFactory.getDefaultWorldPeerGroupClass(WorldPeerGroupFactory.java:244)
>
> at
> net.jxta.peergroup.WorldPeerGroupFactory.<init>(WorldPeerGroupFactory.java:178)
>
> at
> com.sun.enterprise.jxtamgmt.NetworkManager.initWPGF(NetworkManager.java:623)
>
> at
> com.sun.enterprise.jxtamgmt.NetworkManager.<init>(NetworkManager.java:213)
>
> at
> com.sun.enterprise.jxtamgmt.ClusterManager.<init>(ClusterManager.java:133)
>
> at
> com.sun.enterprise.ee.cms.impl.jxta.GroupCommunicationProviderImpl.initializeGroupCommunicationProvider(GroupCommunicationProviderImpl.java:138)
>
> at
> com.sun.enterprise.ee.cms.impl.jxta.GMSContext.join(GMSContext.java:123)
> at
> com.sun.enterprise.ee.cms.impl.common.GroupManagementServiceImpl.join(GroupManagementServiceImpl.java:347)
>
> ...
> ---------------------
> I could know that "Could not locate World PeerGroup Module
> Implementation" message was concerned with JDK version and jxta
> platform when I reviewed [Shoal-Users] mailing list.
> So I tried to test jxta.jar simply.
> ---------------------
> *D:\>java -version*
> *java version "1.6.0"
> Java(TM) SE Runtime Environment (build pwi3260sr1-20080416_01(SR1))
> IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows XP x86-32
> jvmwi3260-20080415_18762 (JIT enabled,
> AOT enabled)
> J9VM - 20080415_018762_lHdSMr
> JIT - r9_20080415_1520
> GC - 20080415_AA)
> JCL - 20080412_01*
> *D:\>java -jar jxta.jar
> *Starting the JXTA platform in mode : EDGE
> 2009. 3. 23 오전 11:22:28 net.jxta.platform.NetworkManager configure
> INFO: Created new configuration. mode = EDGE
> 2009. 3. 23 오전 11:22:28 net.jxta.platform.NetworkManager startNetwork
> INFO: Starting JXTA Network! MODE = EDGE, HOME = file:/D:/.cache/BootEdge/
> 2009. 3. 23 오전 11:22:28 net.jxta.impl.peergroup.StdPeerGroup
> isCompatible
> WARNING: Failure handling compatibility statement
> *Throwable occurred: java.lang.NumberFormatException: Empty version
> string*
> at java.lang.Package.isCompatibleWith(Package.java:223)
> at
> net.jxta.impl.peergroup.StdPeerGroup.isCompatible(StdPeerGroup.java:414)
> at
> net.jxta.impl.peergroup.GenericPeerGroup$1.compatible(GenericPeerGroup.java:131)
> at net.jxta.impl.loader.RefJxtaLoader.findClass(RefJxtaLoader.java:254)
> at
> net.jxta.impl.loader.RefJxtaLoader.findModuleImplAdvertisement(RefJxtaLoader.java:350)
> at
> net.jxta.peergroup.WorldPeerGroupFactory.getDefaultWorldPeerGroupClass(WorldPeerGroupFact
> ory.java:241)
> at
> net.jxta.peergroup.WorldPeerGroupFactory.<init>(WorldPeerGroupFactory.java:178)
> at
> net.jxta.peergroup.NetPeerGroupFactory.<init>(NetPeerGroupFactory.java:204)
> at net.jxta.platform.NetworkManager.startNetwork(NetworkManager.java:410)
> at net.jxta.impl.peergroup.Boot.main(Boot.java:139)
> Uncaught Throwable caught by 'main':
> *net.jxta.exception.PeerGroupException: Could not locate World
> PeerGroup Module Implementation.
> * at
> net.jxta.peergroup.WorldPeerGroupFactory.getDefaultWorldPeerGroupClass(WorldPeerGroupFact
> ory.java:244)
> at
> net.jxta.peergroup.WorldPeerGroupFactory.<init>(WorldPeerGroupFactory.java:178)
> at
> net.jxta.peergroup.NetPeerGroupFactory.<init>(NetPeerGroupFactory.java:204)
> at net.jxta.platform.NetworkManager.startNetwork(NetworkManager.java:410)
> at net.jxta.impl.peergroup.Boot.main(Boot.java:139)
> D:\>
> ---------------------
> I could know that this error was related to Package.isCompatibleWith()
> method.
> Here is my test code.
> ---------------------
> Package javaLangPackage = Package.getPackage( "java.lang" );
> System.out.println( javaLangPackage.getSpecificationVersion() );
> ---------------------
> In Sun JDK6
> ---------------------
> *1.6*
> ---------------------
> In IBM JDK6
> ---------------------
> *null*
> ---------------------
> SoPackage#isCompatibleWith() can return
> "java.lang.NumberFormatException: Empty version string" exception in
> IBM JDK6 because specVersion can be null.
> At this case, do you have any solution or work-around?
> PS)
> - current cvs jxta.jar works well in Sun JDK1.5, Sun JDK1.6 and IBM
> JDK1.5.
> - I tested this case in Windows and Linux. Both Windows and Linux
> returned same error when I used IBM JDK1.6.
> Thanks.
> --
> Bongjae Chang