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Ayush Saxena commented on MAPREDUCE-7368: ----------------------------------------- Committed to trunk. Thanx [~zabetak] for the contribution!!! **Added [~zabetak] to MAPREDUCE Contributors-1 group to assign the jira. > DBOutputFormat.DBRecordWriter#write must throw exception when it fails > ---------------------------------------------------------------------- > > Key: MAPREDUCE-7368 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7368 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 3.3.1 > Reporter: Stamatis Zampetakis > Assignee: Stamatis Zampetakis > Priority: Major > Labels: pull-request-available > Time Spent: 1h > Remaining Estimate: 0h > > When the > [DBRecordWriter#write|https://github.com/apache/hadoop/blob/91af256a5b44925e5dfdf333293251a19685ba2a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/db/DBOutputFormat.java#L120] > fails with an {{SQLException}} the problem is not propagated but printed in > {{System.err}} instead. > {code:java} > public void write(K key, V value) throws IOException { > try { > key.write(statement); > statement.addBatch(); > } catch (SQLException e) { > e.printStackTrace(); > } > } > {code} > The consumer of this API has no way to tell that the write failed. Moreover, > the exception is not present in the logs which makes the problem very hard > debug and can easily lead to data corruption since clients can easily assume > that everything went well. -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org