<div dir="ltr">Dear Josh<div><br></div><div>Can you please send the info on the input file and the event number at which this problem occurred, so we can try to reproduce it?</div><div><br></div><div>Thanks</div><div><br></div><div>Best regards</div><div>FX</div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Aug 23, 2018 at 3:11 PM Joshua Artem Tan <<a href="mailto:joshtanj@jlab.org">joshtanj@jlab.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear All,<br>
<br>
<br>
I am reconstructing simulated files (gemc 4a.2.4) with coatjava 5b.6.1 <br>
and the reconstruction hangs up (I'm running in the interactive farm). I <br>
didn't have this problem with 5b.6.0. The only thing I changed for both <br>
versions was this part of the yaml file:<br>
<br>
  services:<br>
     DCHB:<br>
       torusMap: Symm_torus_r2501_phi16_z251_24Apr2018.dat<br>
       solenoidMap: Symm_solenoid_r601_phi1_z1201_2008.dat<br>
       useStartTime: "false"<br>
       geomDBVariation: default<br>
       constantsDBVariation: default<br>
     DCTB:<br>
       geomDBVariation: default<br>
       constantsDBVariation: default<br>
<br>
The following is the error message I am getting:<br>
<br>
2018-08-23 15:07:20.471: Error in 129.57.70.22%7400_java:joshtanj:DCHB <br>
(ID: 993):<br>
Error processing input event<br>
<br>
java.lang.NullPointerException<br>
         at <br>
org.jlab.rec.dc.trajectory.DCSwimmer.setMagneticFieldsScales(DCSwimmer.java:532)<br>
         at <br>
org.jlab.service.dc.DCHBEngine.processDataEvent(DCHBEngine.java:91)<br>
         at <br>
org.jlab.clas.reco.ReconstructionEngine.execute(ReconstructionEngine.java:247)<br>
         at <br>
org.jlab.clara.sys.ServiceEngine.executeEngine(ServiceEngine.java:216)<br>
         at org.jlab.clara.sys.ServiceEngine.execute(ServiceEngine.java:153)<br>
         at org.jlab.clara.sys.Service.lambda$execute$2(Service.java:178)<br>
         at <br>
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)<br>
         at java.util.concurrent.FutureTask.run(FutureTask.java:266)<br>
         at <br>
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)<br>
         at <br>
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)<br>
         at java.lang.Thread.run(Thread.java:748)<br>
<br>
<br>
Does anybody have any idea how to get around this problem?<br>
<br>
<br>
Thanks,<br>
<br>
<br>
Josh<br>
<br>
<br>
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