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    You try to create a ZipInputStream from a null InputStream.

Solutions on the web

via Sonatype JIRA by Magnus Robertsson, 1 year ago
via Oracle Community by susereng, 1 year ago
via Stack Overflow by Ivan
, 1 year ago
java.lang.NullPointerException: in is null	at	at	at	at	at	at	at	at	at	at$ThreadedPermutationWorker.compile(	at$Manager$	at