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<p class="MsoNormal">Thanks Rick:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It’s not a stretch apparently. Indeed there were a lot of /tmp/oc.* directories and the one I’m running now is adding zero-byte-long files to the directory as it proceeds.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Based on the URL you posted I am not sure exactly how to get around it or “reclaim” a cookie jar.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Guidance at that end would be appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Bill<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">------------------------------------------------<br>
Bill Capehart <<a href="mailto:William.Capehart@sdsmt.edu"><span style="color:#0563C1">William.Capehart@sdsmt.edu</span></a>><br>
Atmospheric and Environmental Sciences Program Coordinator<br>
Civil and Environmental Engineering<br>
201 Mineral Industries Building<br>
South Dakota School of Mines and Technology<br>
501 East St Joseph Street<br>
Rapid City, SD 57701-3995<br>
Ph: +1-605-394-1994 Mobile: +1-605-484-5692<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Rick Brownrigg <brownrig@ucar.edu><br>
<b>Date: </b>Wednesday, September 20, 2017 at 10:34 MDT<br>
<b>To: </b>Griffith Young <griffith.young@bom.gov.au><br>
<b>Cc: </b>William Capehart <William.Capehart@sdsmt.edu>, "ncl-talk@ucar.edu" <ncl-talk@ucar.edu><br>
<b>Subject: </b>Re: [ncl-talk] Reopening an old trouble ticket: OPeNDAP failing when reading a large number of files [SEC=UNCLASSIFIED]<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi William,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">This is a stretch, but I'm at a loss. You might check your /tmp directory: is it of very limited capacity, or are there tons of these "oc.*" directories there? They seem to be some sort of temporary cookie
file. Here's some discussion about them from the Unidata site:<br>
<br>
<a href="https://github.com/Unidata/netcdf-c/issues/435">https://github.com/Unidata/netcdf-c/issues/435</a><o:p></o:p></p>
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<p class="MsoNormal">Rick<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Sep 19, 2017 at 10:10 PM, Griffith Young <<a href="mailto:griffith.young@bom.gov.au" target="_blank">griffith.young@bom.gov.au</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D">Hello Bill,</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> I had a similar problem with file handles (as you seem to have had too with your notes on setfileoption), so I suspect that
this might be the problem (as I suspect that you do too).</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> But the difference here is that I suspect that the issue might be on the OPeNDAP server end?!?</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> Have you been in contact with the owner of the OPeNDAP server? Can you/they inspect their logs?</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> If indeed there is an issue with file handles on the server, then there may be some evidence in their logs...</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> Is it possible that the remote nature of your customers is affecting file close commands coming back to the server? There
is not enough evidence in the log you provided to determine this.</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> I admit that all this is all conjecture (but sometimes it gets you closer to the problem).</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D">Griff.</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU" style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> Capehart, William J [mailto:<a href="mailto:William.Capehart@sdsmt.edu" target="_blank">William.Capehart@sdsmt.edu</a>]
<br>
<b>Sent:</b> Wednesday, 20 September 2017 1:48 PM<br>
<b>To:</b> Griffith Young; <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>
<b>Subject:</b> Re: Reopening an old trouble ticket: OPeNDAP failing when reading a large number of files [SEC=UNCLASSIFIED]</span><span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-AU"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi Griff.
<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Correct. We get the classic 404 error. However, the file Is indeed there. As with Jon’s problem if you change the start date further down the street, the seemingly missing file
will be read and a later file will be the one where it stops. The script will read the first ~240 files it encounters and will then halt with an errant missing file error.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Bill<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="color:black">From:
</span></b><span style="color:black">Griffith Young <<a href="mailto:griffith.young@bom.gov.au" target="_blank">griffith.young@bom.gov.au</a>><br>
<b>Date: </b>Tuesday, September 19, 2017 at 21:44 MDT<br>
<b>To: </b>William Capehart <<a href="mailto:William.Capehart@sdsmt.edu" target="_blank">William.Capehart@sdsmt.edu</a>>, "<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>" <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>><br>
<b>Subject: </b>RE: Reopening an old trouble ticket: OPeNDAP failing when reading a large number of files [SEC=UNCLASSIFIED]</span><span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The file does not exist according to the log (<b>404</b>).<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">2017-09-20T02:52:12.951 +0000 [1841685452][ 123718] INFO - threddsServlet - Request Completed - 404 - -1 - 491915<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Additionally, I did not get a response when I clicked on your link.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">As to why that might be, I cannot answer that part.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hope this helps.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Griff.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> ncl-talk [<a href="mailto:ncl-talk-bounces@ucar.edu" target="_blank">mailto:ncl-talk-bounces@ucar.edu</a>]
<b>On Behalf Of </b>Capehart, William J<br>
<b>Sent:</b> Wednesday, 20 September 2017 1:31 PM<br>
<b>To:</b> <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>
<b>Subject:</b> [ncl-talk] Reopening an old trouble ticket: OPeNDAP failing when reading a large number of files</span><span lang="EN-AU"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am having the same issue that Jon Meyer had a few years ago. His original post is linked here.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="http://mailman.ucar.edu/pipermail/ncl-talk/2015-June/thread.html#2853" target="_blank">http://mailman.ucar.edu/pipermail/ncl-talk/2015-June/thread.html#2853</a>
<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">To repeat the problem, I have a large number of OPeNDAP files that we’re trying help my remote students access.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">After reading a large number of files (I don’t have a specific answer but it’s less than the magic 1024 value and seems to hover around 240 files) via the server I get the same
error message.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">Cannot create cookie file</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">CURL Error: Couldn't resolve host name</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">curl error details: </span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">fatal:Could not open (<a href="http://kyrill.ias.sdsmt.edu:8080/thredds/dodsC/BWW_GENS/2017/03/04/gens003_WRFRAP_ALL_2017-03-04_18.wrf_ci_turb.grib2" target="_blank">http://kyrill.ias.sdsmt.edu:8080/thredds/dodsC/BWW_GENS/2017/03/04/gens003_WRFRAP_ALL_2017-03-04_18.wrf_ci_turb.grib2</a>)</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">fatal:Either file (f) isn't defined or variable (Geopotential_height_isobaric_ens) is not a variable in the file</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New",serif">fatal:["Execute.c":8640]:Execute: Error occurred at or near line 282 in file read_z500_ensembles_from_thredds.ncl</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We are using the delete(f) to release the file units and also are using the
<i>setfileoption("grib2", "SuppressClose", False)</i> command<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I also have the log files from our THREDDS server (linked below).<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="https://gist.github.com/wjcapehart/46d3f594d223f9b8bb2c6e577a3ecaad" target="_blank">https://gist.github.com/wjcapehart/46d3f594d223f9b8bb2c6e577a3ecaad</a><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hopefully, this will give the NCL or THREDDS or Tomcat people an idea of what is going on with this problem.<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Cheers-n-Thanks<span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">------------------------------------------------<br>
Bill Capehart <<a href="mailto:William.Capehart@sdsmt.edu" target="_blank">William.Capehart@sdsmt.edu</a>><br>
Atmospheric and Environmental Sciences Program Coordinator<br>
Civil and Environmental Engineering<br>
201 Mineral Industries Building<br>
South Dakota School of Mines and Technology<br>
501 East St Joseph Street<br>
Rapid City, SD 57701-3995<br>
Ph: <a href="tel:(605)%20394-1994" target="_blank">+1-605-394-1994</a> Mobile: <a href="tel:(605)%20484-5692" target="_blank">
+1-605-484-5692</a><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="EN-AU"><o:p></o:p></span></p>
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