weblogic 不能启动是怎么回事？

weblogic 启动时出现下错误 是怎么回事 ？


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The WebLogic Server did not start up properly.
java.net.UnknownHostException: ·?·: ?¤??¤
        at java.net.InetAddress.getLocalHost()Ljava/net/InetAddress;(Unknown Sou
rce)
        at weblogic.rjvm.JVMID.setLocalID([I)V(JVMID.java:124)
        at weblogic.rjvm.JVMID.localID()Lweblogic/rjvm/JVMID;(JVMID.java:104)
        at weblogic.protocol.configuration.NetworkChannel.<init>(Ljava/lang/Stri
ng;Lweblogic/management/configuration/ServerMBean;Lweblogic/management/configura
tion/NetworkChannelMBean;Lweblogic/management/configuration/NetworkAccessPointMB
ean;Z)V(NetworkChannel.java:350)
        at weblogic.protocol.configuration.NetworkChannelGroup.<init>(Lweblogic/
management/configuration/ServerMBean;Z)V(NetworkChannelGroup.java:142)
        at weblogic.server.Server.initNetWorkChannels()V(Server.java:49)
        at weblogic.t3.srvr.T3Srvr.initializeHere()V(T3Srvr.java:784)
        at weblogic.t3.srvr.T3Srvr.initialize()V(T3Srvr.java:669)
        at weblogic.t3.srvr.T3Srvr.run([Ljava/lang/String;)I(T3Srvr.java:343)
        at weblogic.Server.main([Ljava/lang/String;)V(Server.java:32)
--------------- nested within: ------------------
weblogic.utils.NestedError: Local host not known?! - with nested exception:
[java.net.UnknownHostException: ·?·: ?¤??¤]
        at weblogic.rjvm.JVMID.setLocalID([I)V(JVMID.java:128)
        at weblogic.rjvm.JVMID.localID()Lweblogic/rjvm/JVMID;(JVMID.java:104)
        at weblogic.protocol.configuration.NetworkChannel.<init>(Ljava/lang/Stri
ng;Lweblogic/management/configuration/ServerMBean;Lweblogic/management/configura
tion/NetworkChannelMBean;Lweblogic/management/configuration/NetworkAccessPointMB
ean;Z)V(NetworkChannel.java:350)
        at weblogic.protocol.configuration.NetworkChannelGroup.<init>(Lweblogic/
management/configuration/ServerMBean;Z)V(NetworkChannelGroup.java:142)
        at weblogic.server.Server.initNetWorkChannels()V(Server.java:49)
        at weblogic.t3.srvr.T3Srvr.initializeHere()V(T3Srvr.java:784)
        at weblogic.t3.srvr.T3Srvr.initialize()V(T3Srvr.java:669)
        at weblogic.t3.srvr.T3Srvr.run([Ljava/lang/String;)I(T3Srvr.java:343)
        at weblogic.Server.main([Ljava/lang/String;)V(Server.java:32)
Reason: Local host not known?!
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