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The File Reader service will not start after the Detection Server was upgraded from 15.1 MP1 to 15.1 MP2


Article ID: 175461


Updated On:


Data Loss Prevention Network Discover


Data Loss Prevention Detection Server (DLP)

After upgrading six Detection Servers from 15.1 MP1 to 15.1 MP2, two of the servers will not start.
The FileReader service will not start.

In the SymantecDLPDetectionServer log:

Exception in thread "main" java.lang.NoClassDefFoundError: com/vontu/discover/logging/DiscoverLogHandler



The discover.jar and filereadercrawler.jar files were not laid down correctly by the migrator on the two trouble servers.


Copy the discover.jar and filereadercrawler.jar files from a working Discover server and paste them into the nonworking Discover servers.
Restart the FileReader service.

The two .jar files are located in the path "C:\Program Files\Symantec\Data Loss Prevention\Detection Server\15.1\Protect\plugins" on the Detection server.