ChangeIndexRewriter.rewriteImpl() has thrown a NullPointerException

We found this prefix in 3 webpages.
MapChildren (2)Typical messages (1)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.isIndexPredicate()
    2.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.rewriteImpl()
    3.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.rewriteImpl()
  1. NullPointerException

    InternalQuery.query()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:8 months ago
    Last:7 months ago
    preview
  2. gerrit 2.13: got internal server error when clone from slave

    First:2 years ago
    Last:2 years ago
    Author:Makson Lee
MessageNumber of crashes
<No message>3
  1. java.lang.NullPointerException
    1.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.isIndexPredicate()
    2.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.rewriteImpl()
    3.   at com.google.gerrit.server.index.change.ChangeIndexRewriter.rewriteImpl()