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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-324) MetricsDataLoader should handle chukwa record with 0 matched fields
Date Mon, 22 Jun 2009 17:28:07 GMT
MetricsDataLoader should handle chukwa record with 0 matched fields
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                 Key: CHUKWA-324
                 URL: https://issues.apache.org/jira/browse/CHUKWA-324
             Project: Hadoop Chukwa
          Issue Type: Improvement
          Components: Data Processors
    Affects Versions: 0.2.0
            Reporter: Eric Yang
            Assignee: Eric Yang
            Priority: Critical
             Fix For: 0.2.0


As seen from postProcess.log:

2009-06-22 12:01:17,946 TRACE pool-1-thread-2 MetricDataLoader - INSERT INTO mr_job_2059_week
SET  ON DUPLICATE KEY
UPDATE ;
2009-06-22 12:01:25,957 ERROR pool-1-thread-2 MetricDataLoader - java.sql.BatchUpdateException:
You have an error in
your SQL syntax; check the manual that corresponds to your MySQL server version for the right
syntax to use near 'ON
DUPLICATE KEY UPDATE' at line 1
java.sql.BatchUpdateException: You have an error in your SQL syntax; check the manual that
corresponds to your MySQL
server version for the right syntax to use near 'ON DUPLICATE KEY UPDATE' at line 1
        at com.mysql.jdbc.StatementImpl.executeBatch(StatementImpl.java:1007)
        at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.run(MetricDataLoader.java:484)
        at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.call(MetricDataLoader.java:561)
        at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.call(MetricDataLoader.java:50)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:619)
2009-06-22 12:01:25,957 ERROR pool-1-thread-2 MetricDataLoader - SQLException: You have an
error in your SQL syntax;
check the manual that corresponds to your MySQL server version for the right syntax to use
near 'ON DUPLICATE KEY
UPDATE' at line 1

In this case, MDL should skip the record.


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