<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">We have tools for accessing the database, which are safe. It is adviced that people use those to avoid problem, but it’s not enforced.<div><br></div><div>Gagik<br><br><div id="AppleMailSignature">Sent from my iPhone</div><div><br>On Mar 2, 2018, at 8:31 PM, Francois-Xavier Girod <<a href="mailto:fxgirod@jlab.org">fxgirod@jlab.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Dear Vardan<div><br></div><div>Can we agree on the same file to test? It may be easier to start from a raw file and decode it so I might use a recent run from the "online" directory, or might even copy fresh data</div><div><br></div><div>I can run this on one of the clara machine tonight</div><div><br></div><div>Best regards</div><div>FX</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 2, 2018 at 8:13 PM, Vardan Gyurjyan <span dir="ltr"><<a href="mailto:gurjyan@jlab.org" target="_blank">gurjyan@jlab.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Hi Silvester,<div>I also notice that FTCAL and FTHODO services are making many dB accesses during the initialization. I expect to see a single access to the database followed by a single dB disconnect.</div><div>-Vardan</div><div><br><br><div id="m_-5868084409857620888AppleMailSignature">Sent from my iPhone</div><div><br>On Mar 2, 2018, at 7:50 PM, Sylvester J. Joosten <<a href="mailto:tuf42480@temple.edu" target="_blank">tuf42480@temple.edu</a>> wrote:<br><br></div><blockquote type="cite"><div>Hi Rafaella, hi Vardan,<div><br></div><div>In case this is useful: I recognize this error in the context of accessing tables from CCDB from COATJAVA. If this happens when</div><div><br></div><div>if(this.entries.hasItem(index)<wbr>==false) (org.jlab.utils.groups.<wbr>IndexedTable)</div><div><br></div><div>fails. entries.hasItem() contains the following checks:</div><div> </div><div><div>—> calls IndexedList.hasItem(int... index) (org.jlab.utils.groups.<wbr>IndexedList)</div><div>—> has 2 internal checks:</div><div> 1. if(index.length!=this.<wbr>indexSize)</div><div> 2. IndexGenerator.hashCode(<wbr>index);</div><div><br></div><div>In my experience, this implies that there is some kind of issue or inconsistency when accessing CCDB, at least for this particular run.</div><div><br></div><div>Just my 2 cents.</div><div>Best,</div><div>Sylvester</div><div><div class="h5"><div><br></div><div><br><blockquote type="cite"><div>On Mar 2, 2018, at 7:37 PM, Vardan Gyurjyan <<a href="mailto:gurjyan@jlab.org" target="_blank">gurjyan@jlab.org</a>> wrote:</div><br class="m_-5868084409857620888Apple-interchange-newline"><div><div dir="auto">Hi Raffaella,<div>I do not know what is exactly the cause but whenever I use one of these services in the data processing chain I get out memory exception. This exception is not recoverable. As I mention this happens every single time on clonfar0 node. I never saw this error on the farm machines though. May be FX can comment. I am getting these error on data over the ET as well as decoded files from FX’s decoded files directory. <br>Vardan<br><div>Sent from my iPhone</div><div><br>On Mar 2, 2018, at 4:53 PM, Raffaella De Vita <<a href="mailto:Raffaella.Devita@ge.infn.it" target="_blank">Raffaella.Devita@ge.infn.it</a>> wrote:<br><br></div><blockquote type="cite"><div>
Hi Vardan,<br>
I'm the author of those services. The only change that was done
recently was a modification of an hardcoded constant and, after that
was done, FX cooked several files for FT studies. Nothing else was
changed in more than one month. Anyway, I will try to reproduce the
problem and debug it.What data are you processing?<br>
Regards,<br>
Raffaella<br>
<br>
<div class="m_-5868084409857620888moz-cite-prefix">Vardan Gyurjyan wrote:<br>
</div>
<blockquote type="cite">
Hi FX,
<div><br>
</div>
<div>Since I am not sure who is the FTCAL and FTHODO
engines author I am cc-ing this email to clas12.</div>
<div>There is a critical bug introduced in these service
engine’s code for the 5a.1.0 release. It is 100% reproducible on
clonfarm0 node (online reconstruction node), where JVM crashes
with the out of memory exception. Reconstruction chain without
these services function properly.</div>
<div>These are service engines that also print for every
event warning messages such as “ [IndexedTable] ---> error..
entry does not exist” (I consider them warning since if this is
a real error the processing should be stoped). Any ways, this is
a serious bug that can result in large number of job failures on
the farm.</div>
<div> </div>
<div>-vardan<br>
<div>
<div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">------------------------------<wbr>--------------------<br>
Vardan H. Gyurjyan, Ph.D.<br>
Staff Scientist<br>
Thomas Jefferson Accelerator Facility<br>
Newport News, VA, 23606<br>
E-mail: <a href="mailto:gurjyan@jlab.org" target="_blank">gurjyan@jlab.org</a><br>
<a href="tel:(757)%20269-5879" value="+17572695879" target="_blank">757-269-5879</a> (JLAB)</div>
</div>
<br>
</div>
<br>
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