java.lang.NullPointerException: null

XWiki.org JIRA | Denis Gervalle | 5 years ago
  1. 0
    Elasticsearch 1.x and 2.x nodes are not compatible, make sure your setup contains nodes of the same major version.
    via GitHub by dakrone
  2. 0
    It is a JDK bug, no workaround currently.
    via GitHub by jroper
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  4. 0
    Some of the parametes ar enull
  5. 0
    Try looking for variables that have been declared but not created as an object on the functions described in the stack trace.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at org.xwiki.extension.repository.internal.DefaultExtensionSerializer.addAuthors()
    2. org.xwiki.extension
      DefaultExtensionSerializer.addAuthors
      1. org.xwiki.extension.repository.internal.DefaultExtensionSerializer.addAuthors(DefaultExtensionSerializer.java:388)
      1 frame