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    <div class="moz-cite-prefix">Hi Tristan,<br>
      <br>
         It's great you found the reasons. It's weird that you were able
      to run workflows without java being in the path. One more tip,
      besides information shown on console using command line, 
      Tools->'Check System Settings' also show some system
      information. <br>
      <pre class="moz-signature" cols="72">Best wishes

Sincerely yours

Jianwu Wang, Ph.D.
<a class="moz-txt-link-abbreviated" href="mailto:jianwu@sdsc.edu">jianwu@sdsc.edu</a>
<a class="moz-txt-link-freetext" href="http://users.sdsc.edu/~jianwu/">http://users.sdsc.edu/~jianwu/</a>

Assistant Project Scientist
Scientific Workflow Automation Technologies (SWAT) Laboratory
San Diego Supercomputer Center
University of California, San Diego
San Diego, CA, U.S.A. </pre>
      On 8/1/13 12:31 PM, Mullis, Tristan Lloyd wrote:<br>
    </div>
    <blockquote
cite="mid:6E509E42A5C42946BF1AD27A3AF8FD021CACCB3B@BLUPRD0113MB707.prod.exchangelabs.com"
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        <div style="direction:ltr; font-family:Tahoma; color:#000000;
          font-size:10pt">Dr. Wang
          <div><br>
          </div>
          <div>That's for the tip on starting from command line.  I'm
            using Windows 7 and the root of the problem was that java
            was not in the system path.  The second problem was that R
            wasn't in the system path either, but there was an error
            message for that.</div>
          <div><br>
          </div>
          <div>Oddly enough I've never had an issue running other
            workflows without java being in the path.</div>
          <div><br>
          </div>
          <div>Thanks for the help.</div>
          <div>Tristan<br>
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              <hr tabindex="-1">
              <div id="divRpF622680" style="direction:ltr"><font
                  color="#000000" face="Tahoma" size="2"><b>From:</b>
                  Jianwu Wang [<a class="moz-txt-link-abbreviated" href="mailto:jianwu@sdsc.edu">jianwu@sdsc.edu</a>]<br>
                  <b>Sent:</b> Thursday, August 01, 2013 10:42 AM<br>
                  <b>To:</b> Mullis, Tristan Lloyd<br>
                  <b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:kepler-users@kepler-project.org">kepler-users@kepler-project.org</a><br>
                  <b>Subject:</b> Re: [kepler-users] Problem running
                  simple workflows involving RExpression actor<br>
                </font><br>
              </div>
              <div>
                <div class="moz-cite-prefix">Hi Tristan,<br>
                      <br>
                      Both workflows finish in a few seconds and display
                  with correct images in my tests. My tests are at Mac
                  version 10.6.8, Java 1.6, R 2.11.1. Can you tell us
                  your environment configuration? Also try starting
                  Kepler from console (kepler.sh or kepler.bat) and see
                  whether there are informative messages on your
                  console. Thanks.<br>
                  <pre class="moz-signature" cols="72">Best wishes

Sincerely yours

Jianwu Wang, Ph.D.
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:jianwu@sdsc.edu" target="_blank">jianwu@sdsc.edu</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://users.sdsc.edu/%7Ejianwu/" target="_blank">http://users.sdsc.edu/~jianwu/</a>

Assistant Project Scientist
Scientific Workflow Automation Technologies (SWAT) Laboratory
San Diego Supercomputer Center
University of California, San Diego
San Diego, CA, U.S.A. </pre>
                  On 7/31/13 6:54 PM, Mullis, Tristan Lloyd wrote:<br>
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                  <div style="direction:ltr; font-family:Tahoma;
                    color:#000000; font-size:10pt">To whom it may
                    concern
                    <div><br>
                    </div>
                    <div>I'm having the same issue with both the example
                      in Components > R > R >
                      RExpression_Dataframe_Test.xml and the attached
                      workflow.</div>
                    <div><br>
                    </div>
                    <div>When running under Kepler 2.4 both never stop
                      executing and just continue to consume CPU time.  <span
                        style="font-size:10pt">I have checked everything
                        I can think of, and there are</span><span
                        style="font-size:10pt"> no error messages.  The </span><span
                        style="font-size:10pt">RExpression_Dataframe_Test.xml

                        example ran for >40 minutes and I am sure
                        that can't be right.</span></div>
                    <div><span style="font-size:10pt"><br>
                      </span></div>
                    <div><span style="font-size:10pt">Thanks,</span></div>
                    <div><span style="font-size:10pt">Tristan</span></div>
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                  <br>
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                  <pre>_______________________________________________
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</pre>
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