[Clas12_software] simulation_reconstruction_issue

Francois-Xavier Girod fxgirod at jlab.org
Thu Aug 23 15:16:52 EDT 2018


Dear Josh

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?

Thanks

Best regards
FX

On Thu, Aug 23, 2018 at 3:11 PM Joshua Artem Tan <joshtanj at jlab.org> wrote:

> Dear All,
>
>
> I am reconstructing simulated files (gemc 4a.2.4) with coatjava 5b.6.1
> and the reconstruction hangs up (I'm running in the interactive farm). I
> didn't have this problem with 5b.6.0. The only thing I changed for both
> versions was this part of the yaml file:
>
>   services:
>      DCHB:
>        torusMap: Symm_torus_r2501_phi16_z251_24Apr2018.dat
>        solenoidMap: Symm_solenoid_r601_phi1_z1201_2008.dat
>        useStartTime: "false"
>        geomDBVariation: default
>        constantsDBVariation: default
>      DCTB:
>        geomDBVariation: default
>        constantsDBVariation: default
>
> The following is the error message I am getting:
>
> 2018-08-23 15:07:20.471: Error in 129.57.70.22%7400_java:joshtanj:DCHB
> (ID: 993):
> Error processing input event
>
> java.lang.NullPointerException
>          at
>
> org.jlab.rec.dc.trajectory.DCSwimmer.setMagneticFieldsScales(DCSwimmer.java:532)
>          at
> org.jlab.service.dc.DCHBEngine.processDataEvent(DCHBEngine.java:91)
>          at
>
> org.jlab.clas.reco.ReconstructionEngine.execute(ReconstructionEngine.java:247)
>          at
> org.jlab.clara.sys.ServiceEngine.executeEngine(ServiceEngine.java:216)
>          at
> org.jlab.clara.sys.ServiceEngine.execute(ServiceEngine.java:153)
>          at org.jlab.clara.sys.Service.lambda$execute$2(Service.java:178)
>          at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>          at
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>          at
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>          at java.lang.Thread.run(Thread.java:748)
>
>
> Does anybody have any idea how to get around this problem?
>
>
> Thanks,
>
>
> Josh
>
>
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