[GitHub] [felix-dev] Andrea-Campanella commented on pull request #53: [FELIX-6340] Resolve possible NPE for filter in Scanner

[GitBox <gi...@apache.org>]

Andrea-Campanella commented on pull request #53:
URL: https://github.com/apache/felix-dev/pull/53#issuecomment-704996029


   I can confirm that the filter being null in the `andreacampanella/voltha-onos:felix-fix` is the culprit of the NPE I was seeing in my karaf 4.2.9 deployment
   ```
   2020-10-07T15:13:23,789 | ERROR | fileinstall-/root/onos/apache-karaf-4.2.9/deploy | fileinstall                      | 10 - org.apache.felix.fileinstall - 3.6.6 | In main loop, we have serious trouble
   java.lang.NullPointerException: null
           at org.apache.felix.fileinstall.internal.Scanner.processFiles(Scanner.java:158) ~[!/:3.6.6]
           at org.apache.felix.fileinstall.internal.Scanner.scan(Scanner.java:131) ~[!/:3.6.6]
           at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:311) [!/:3.6.6]
   ```
   adding the following line `felix.fileinstall.filter=*.jar` to the file removes the NPE. 


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