Tika server restart by supervisor fails.

[phgross]

Exception in thread "main" java.net.BindException: Address already in use
        at java.net.PlainSocketImpl.socketBind(Native Method)
        at java.net.PlainSocketImpl.socketBind(PlainSocketImpl.java:587)
        at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:444)
        at java.net.ServerSocket.bind(ServerSocket.java:337)
        at java.net.ServerSocket.<init>(ServerSocket.java:203)
        at java.net.ServerSocket.<init>(ServerSocket.java:115)
        at org.apache.tika.cli.TikaCLI$TikaServer.<init>(TikaCLI.java:787)
        at org.apache.tika.cli.TikaCLI.process(TikaCLI.java:398)
        at org.apache.tika.cli.TikaCLI.main(TikaCLI.java:112)

[lukasgraf]

This issue is most likely because the JVM uses "unusual" exit codes (for errors) to say the least, and those would need to be configured in the supervisor config as "unexpected" exit codes.

(See the autorestart and exitcodes parameters in the supervisor docs)