[kepler-dev] [Bug 5410] New: provenance data is not flushed to HSQL database before Kepler quit.

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=5410

           Summary: provenance data is not flushed to HSQL database before
                    Kepler quit.
           Product: Kepler
           Version: 2.1.0
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: provenance
        AssignedTo: crawl at sdsc.edu
        ReportedBy: jianwu at sdsc.edu
         QAContact: kepler-dev at kepler-project.org
   Estimated Hours: 0.0


Currently, provenance data writing to HSQL database has write delay (100 ms by
default). It causes some data is not update or written because the data is not
flushed before Kepler quit. 

To reproduce it,

1) Run workflow in Kepler GUI or non-GUI mode.
2) Quit Kepler if Kepler is run in GUI mode right after workflow is executed.
3) Use HSQL client to connect hsql provenance database.
4) Check 'workflow_exec' table: the record the execution might not be written
in the database or the execution status might be always 'running'.

It should work for both GUI mode or non-GUI mode. Not sure whether it works for
other databases, such as Oracle and mySQL.

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