[kepler-dev] [Bug 2850] New: - Better Error message for missing 'R'

bugzilla-daemon@ecoinformatics.org bugzilla-daemon at ecoinformatics.org
Tue May 22 14:02:22 PDT 2007


           Summary: Better Error message for missing 'R'
           Product: Kepler
           Version: 1.0.0beta3
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: actors
        AssignedTo: higgins at nceas.ucsb.edu
        ReportedBy: higgins at nceas.ucsb.edu
         QAContact: kepler-dev at ecoinformatics.org

If a workflow containing an RExpression actor is executed and R cannot be
started from the command line (missing or not in PATH), a cryptic error message
like 'The pipe has been ended appears'. Need to catch this error and provide a
more meaningful error message (or check for R installation in some other way).

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