RAC database : using dbca silent mode to create scripts

I try to generate script in silent mode.

that work for single instance. but when i append list of server with the parameter nodelist . i have a crash.

main] [ 2012-02-28 16:05:59.516 CET ] [ClusterConfig.submit:555]  Out of block
[main] [ 2012-02-28 16:05:59.517 CET ] [ClusterConfig.submit:572]  status=true
[main] [ 2012-02-28 16:05:59.517 CET ] [ClusterConfig.destroy:450]  destroying resources for client thread Thread[main,5,main]
[main] [ 2012-02-28 16:05:59.576 CET ] [Host.executeSteps:5054]  setupForOperation returned: true
Exception in thread "main" java.lang.NullPointerException
        at oracle.sysman.assistants.dbca.backend.Host.createStepSQLInterface(Host.java:6923)

Who have test this parameter ? NODELIST

GENERAL]
RESPONSEFILE_VERSION = "11.2.0"
[CREATEDATABASE]
SID                     = "DBR113"
CHARACTERSET            = "AL32UTF8"