[jira] [Created] (CASSANDRA-6991) cql3 grammar generation can fail due to ANTLR timeout.

["Ben Chan (JIRA)" <ji...@apache.org>]

Ben Chan created CASSANDRA-6991:
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             Summary: cql3 grammar generation can fail due to ANTLR timeout.
                 Key: CASSANDRA-6991
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6991
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Ben Chan
            Assignee: Ben Chan
            Priority: Trivial
         Attachments: xconversiontimeout.patch

Because of the technique used in {{Cql.g}} to tokenize both case-insensitive keywords and case-sensitive identifiers, builds can fail randomly for computers at some arbitrary speed boundary. This is because ANTLR has a feature where it times out if DFA generation takes longer than a preset amount of time. An easy workaround is to use the {{-Xconversiontimeout}} option (patch attached).



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