执行./ConfigEngine.sh cluster-node-config-pre-federation出错

action-cluster-node-federation:
Sat Aug 04 06:48:13 GMT+08:00 2012
     [echo] Federating node 'WebSphere_Portal' to 'peng.peng.com' using port '8879'  
     [echo] Calling addNode with the following credentials : -username uid=wpadmin,o=defaultWIMFileBasedRealm -password (PasswordRemoved)     -includeapps   
     [exec] ADMU0116I: Tool information is being logged in file
     [exec]            /opt/IBM/WebSphere/wp_profile/logs/addNode.log
     [exec] ADMU0128I: Starting tool with the wp_profile profile
     [exec] CWPKI0308I: Adding signer alias "dummyclientsigner" to local keystore
     [exec]            "ClientDefaultTrustStore" with the following SHA digest:
     [exec]            0B:3F:C9:E0:70:54:58:F7:FD:81:80:70:83:A6:D0:92:38:7A:54:CD
     [exec] CWPKI0308I: Adding signer alias "dummyserversigner" to local keystore
     [exec]            "ClientDefaultTrustStore" with the following SHA digest:
     [exec]            FB:38:FE:E6:CF:89:BA:01:67:8F:C2:30:74:84:E2:40:2C:B4:B5:65
     [exec] ADMU0001I: Begin federation of node wpnode1 with Deployment Manager at
     [exec]            peng.peng.com:8879.
     [exec] ADMU0001I: Begin federation of node wpnode1 with Deployment Manager at
     [exec]            peng.peng.com:8879.
     [exec] ADMU0009I: Successfully connected to Deployment Manager Server:
     [exec]            peng.peng.com:8879
     [exec] ADMU0027E: An error occurred during federation ADMU0039E: There is already a
     [exec]            node named wpnode1 in the cell.; rolling back to original
     [exec]            configuration.
     [exec] ADMU0211I: Error details may be seen in the file:
     [exec]            /opt/IBM/WebSphere/wp_profile/logs/addNode.log
     [exec] ADMU0111E: Program exiting with error:
     [exec]            com.ibm.websphere.management.exception.AdminException: ADMU0039E:
     [exec]            There is already a node named wpnode1 in the cell.
     [exec] ADMU1211I: To obtain a full trace of the failure, use the -trace option.
     [exec] ADMU0211I: Error details may be seen in the file:
     [exec]            /opt/IBM/WebSphere/wp_profile/logs/addNode.log
BUILD FAILED
/opt/IBM/WebSphere/PortalServer/installer/wp.config/config/includes/wp_cluster_cfg.xml:117: The following error occurred while executing this line:
/opt/IBM/WebSphere/PortalServer/installer/wp.config/config/includes/wp_cluster_cfg.xml:224: exec returned: 255
Total time: 1 minute 43 seconds
isIseries currently set to: null
uploading registry
Created admin client: com.ibm.ws.management.AdminClientImpl@5b765b76
Created config Service Proxy: com.ibm.websphere.management.configservice.ConfigServiceProxy@37b237b2
CELL: wpnode1
NODE: wpnode1
CELL: wpnode1
Unable to sync registry
java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
com.ibm.wkplc.was.registry.AdminConfigRegistry.createNewRegistry(AdminConfigRegistry.java:230)
com.ibm.wkplc.models.compregistry.ResourceWidget.saveResourceToAdminConfig(ResourceWidget.java:360)
com.ibm.wkplc.models.compregistry.GenerateNodeRegistryXML.syncCacheToRegistry(GenerateNodeRegistryXML.java:430)
com.ibm.wkplc.models.compregistry.RegistryHelper.uploadRegistryToWAS(RegistryHelper.java:87)
com.ibm.wps.config.tasks.UploadRegistryTask.execute(UploadRegistryTask.java:38)
com.ibm.wps.config.ConfigEngineListener.buildFinished(ConfigEngineListener.java:280)
org.apache.tools.ant.Project.fireBuildFinished(Project.java:1848)
org.apache.tools.ant.Main.runBuild(Main.java:688)
org.apache.tools.ant.Main.startAnt(Main.java:187)
org.apache.tools.ant.Main.start(Main.java:150)
com.ibm.wps.config.ConfigEngine.process(ConfigEngine.java:819)
com.ibm.wps.config.ConfigEngine.main(ConfigEngine.java:247)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:618)
com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:263)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:618)
com.ibm.wps.config.launch.ConfigEngineLauncher.process(ConfigEngineLauncher.java:273)
com.ibm.wps.config.launch.ConfigEngineLauncher.main(ConfigEngineLauncher.java:315)
update-registry-sync-property:
Sat Aug 04 06:49:22 GMT+08:00 2012
     [echo] updated RegistrySynchronized in file wkplc.properties with value: false