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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-8866) JavaBinCodec should throw an exception when serializing unknown types
Date Thu, 17 Mar 2016 04:19:33 GMT
David Smiley created SOLR-8866:
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             Summary: JavaBinCodec should throw an exception when serializing unknown types
                 Key: SOLR-8866
                 URL: https://issues.apache.org/jira/browse/SOLR-8866
             Project: Solr
          Issue Type: Improvement
            Reporter: David Smiley
            Assignee: David Smiley


When JavaBinCodec encounters a class it doesn't have explicit knowledge of how to serialize,
nor does it implement the {{ObjectResolver}} interface, it currently serializes the object
as the classname, colon, then toString() of the object.

This may appear innocent but _not_ throwing an exception hides bugs.  One example is that
the UpdateLog, which uses JavaBinCodec, to save a document.  The result is that this bad value
winds up there, gets deserialized as a String in PeerSync (which uses /get) and then this
value pretends to be a suitable value to the final document in the leader.  But of course
it isn't.





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