Netflow plugin update problem

Netflow plugin update problem

Hi, I've updated opmanager from 9850 to 9900 but I'm not able to update the netflow plugin from  9900  to final version. The update process seems to not install any files and continue to run indefinitely 

Unable to load Disk Space related native library.

Exception in thread "Thread-2" java.lang.UnsatisfiedLinkError: com.adventnet.tools.update.installer.DiskSpace.getFreeSpace(Ljava/lang/String;)J

        at com.adventnet.tools.update.installer.DiskSpace.getFreeSpace(Native Method)

        at com.adventnet.tools.update.installer.ApplyPatch.run(ApplyPatch.java:152)

        at java.lang.Thread.run(Unknown Source)


Any idea of what I can do?

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