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From "Robert Newson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1177) function_clause error in write_streamed_attachment
Date Tue, 24 May 2011 10:44:47 GMT
function_clause error in write_streamed_attachment
--------------------------------------------------

                 Key: COUCHDB-1177
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1177
             Project: CouchDB
          Issue Type: Bug
            Reporter: Robert Newson
             Fix For: 1.0.2, 1.0.1


LenLeft can still go negative. While the guard clause prevents an earlier bug, replication
fails when it hits this issue.

In the following case, LenLeft is -673327 which matches no clauses (we expect either 0 or
> 0). Somehow we are starting with a LenLeft value lower than the number of bytes we subsequently
receive.

{function_clause,
                               [{couch_db,write_streamed_attachment,
                                    [<0.13520.3>,
                                     #Fun<couch_rep_att.0.90652905>,-673327]},
                                {couch_db,with_stream,3},
                                {couch_db,'-doc_flush_atts/2-lc$^0/1-0-',2},
                                {couch_db,doc_flush_atts,2},
                                {couch_db,'-update_docs/4-lc$^3/1-3-',2},
                                {couch_db,'-update_docs/4-lc$^2/1-2-',2},
                                {couch_db,'-update_docs/4-lc$^2/1-2-',2},
                                {couch_db,update_docs,4}]}}

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