运行dbca 报错

Command = /u01/app/oracle/product/10.2.0/db_1/bin/dbca has failed
Execution Error : Exception in thread "main" java.lang.NullPointerException
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2655)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2599)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2753)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2599)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2745)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2599)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2544)
at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2514)
at oracle.sysman.assistants.util.NetworkUtils.getLocalListenerAddressForPort(NetworkUtils.java:876)
at oracle.sysman.assistants.util.NetworkUtils.getLocalListenerAddress(NetworkUtils.java:859)
at oracle.sysman.assistants.util.NetworkUtils.getLocalListenerAddresses(NetworkUtils.java:913)
at oracle.sysman.assistants.util.NetworkUtils.needLocalListener(NetworkUtils.java:835)
at oracle.sysman.assistants.util.step.StepContext.setListenersToUpdate(StepContext.java:678)
at oracle.sysman.assistants.util.step.StepContext.(StepContext.java:257)
at oracle.sysman.assistants.dbca.backend.Host.(Host.java:682)

解决方法：

netca 运行配置成功后，系统正常

[oracle@db1 bin]$ ./crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.lsnr application ONLINE ONLINE db1
ora.db1.gsd application ONLINE ONLINE db1
ora.db1.ons application ONLINE ONLINE db1
ora.db1.vip application ONLINE ONLINE db1
ora....B2.lsnr application ONLINE ONLINE db2
ora.db2.gsd application ONLINE ONLINE db2
ora.db2.ons application ONLINE ONLINE db2
ora.db2.vip application ONLINE ONLINE db2

dbca 运行系统正常