dbassist on linux

When I run 8.1.7 dbassist on RH, it returns error:

[oracle_at_185_57user45 bin]$ ./dbassist

libnldapj8.so: cannot open shared object file: No such file or directory (libnldapj8.so)
java.lang.UnsatisfiedLinkError: no nldapj8 in shared library path

        at java.lang.Error.<init>(Compiled Code)
        at java.lang.LinkageError.<init>(Compiled Code)
        at java.lang.UnsatisfiedLinkError.<init>(Compiled Code)
        at java.lang.Runtime.loadLibrary(Compiled Code)
        at java.lang.System.loadLibrary(Compiled Code)
        at
        at oracle.net.config.DirectoryService.getNNFLWrapperQBF(Compiled
Code)
        at oracle.net.config.DirectoryService.getNNFLWrapper(Compiled 
Code)
        at oracle.net.config.DirectoryService.bind(Compiled Code)
        at oracle.net.config.Config.bind(Compiled Code)
        at NetConfig.isAutoAuthPossible(Compiled Code)
        at CheckerClass_base.DetectDirService(Compiled Code)
        at CheckerClass.detectOracleProducts(Compiled Code)
        at CheckerClass.DetectAll(Compiled Code)
        at DBConfigInfo_base.<init>(Compiled Code)
        at DBConfigInfo.<init>(Compiled Code)
        at DBCreateWizard.<init>(Compiled Code)
        at DBCreateWizard.main(Compiled Code)

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