AIX7.1(7100-03-04)安装Oracle12c后，dbca建库时报错

$ dbca

UnsatisfiedLinkError exception loading native library: njni12

java.lang.UnsatisfiedLinkError: njni12 (rtld: 0712-001 Symbol CreateIoCompletionPort was referenced

      from module /database/db/product/11.2.0/db/lib/libnjni12.so(), but a runtime definition

      of the symbol was not found.

rtld: 0712-001 Symbol GetMultipleCompletionStatus was referenced

      from module /database/db/product/11.2.0/db/lib/libnjni12.so(), but a runtime definition

      of the symbol was not found.

rtld: 0712-002 fatal error: exiting.)

Exception in thread "main" java.lang.UnsatisfiedLinkError: oracle/net/common/NetGetEnv.get(Ljava/lang/String;)Ljava/lang/String;

        at oracle.net.config.Config.getNetDir(Unknown Source)

        at oracle.net.config.Config.initConfig(Unknown Source)

        at oracle.net.config.Config.(Unknown Source)

        at oracle.sysman.assistants.util.NetworkUtils.(NetworkUtils.java:298)

        at oracle.sysman.assistants.util.step.StepContext.(StepContext.java:388)

        at oracle.sysman.assistants.dbca.backend.Host.(Host.java:1055)

        at oracle.sysman.assistants.dbca.backend.Host.(Host.java:1048)

        at oracle.sysman.assistants.dbca.wizard.UIHost.(UIHost.java:241)

        at oracle.sysman.assistants.dbca.wizard.InteractiveHost.getInstance(InteractiveHost.java:78)

        at oracle.sysman.assistants.dbca.Dbca.getHost(Dbca.java:208)

        at oracle.sysman.assistants.dbca.Dbca.execute(Dbca.java:121)

        at oracle.sysman.assistants.dbca.Dbca.main(Dbca.java:226)