ORACLE DBCA报错和HOSTS文件

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x6B0A89
Function=__libc_free+0x49
Library=/lib/tls/libc.so.6

Current Java thread:
         at oracle.net.common.NetGetEnv.getLocalHostName(Native Method)
        at oracle.net.config.Config.systemName(Unknown Source)
        at oracle.net.config.DirectoryService.getSystemObjectPath(Unknown Source)
        at oracle.net.config.DirectoryService.qualifyObjectName(Unknown Source)
        at oracle.net.config.Listener.<init>(Unknown Source)
        at oracle.sysman.assistants.util.NetworkUtils.getOneLocalListenerProtocolAddress(NetworkUtils.java:2534)
        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.<init>(StepContext.java:257)
        at oracle.sysman.assistants.dbca.backend.Host.<init>(Host.java:682)
        at oracle.sysman.assistants.dbca.ui.UIHost.<init>(UIHost.java:205)
        at oracle.sysman.assistants.dbca.ui.InteractiveHost.<init>(InteractiveHost.java:54)
        at oracle.sysman.assistants.dbca.Dbca.getHost(Dbca.java:160)
        at oracle.sysman.assistants.dbca.Dbca.execute(Dbca.java:94)
        at oracle.sysman.assistants.dbca.Dbca.main(Dbca.java:180)

127.0.0.1       rh4nod1 localhost.localdomain   localhost