Possible that there just needs to be a null pointer check in that code to fix this....Kyle can you please open a bug report with this info?
-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Nathan Baltzell
Sent: Tuesday, February 02, 2016 3:42 PM
To: Kyle McCarty
Cc: hps-software
Subject: Re: Recon Null Pointer Exception
Based on the line number printed in the stack trace, it is apparently not happy with this:
ecal.getNode().getChild("layout").getAttribute("beamgapTop").getDoubleValue();
What detector are you using?
On Feb 2, 2016, at 6:39 PM, Kyle McCarty <[log in to unmask]> wrote:
> Hello hps-software,
>
> I am attempting to reconstruction over some 2.2 GeV readout with custom trigger cuts, but I get the following error within around 12 seconds of starting the run:
>
> java.lang.NullPointerException
> at org.hps.recon.ecal.cluster.ClusterEnergyCorrection.computeCorrectedEnergy(ClusterEnergyCorrection.java:94)
> at org.hps.recon.ecal.cluster.ClusterEnergyCorrection.calculateCorrectedEnergy(ClusterEnergyCorrection.java:46)
> at org.hps.recon.ecal.cluster.ClusterEnergyCorrection.setCorrectedEnergy(ClusterEnergyCorrection.java:64)
> at org.hps.recon.ecal.cluster.ClusterUtilities.applyCorrections(ClusterUtilities.java:369)
> at org.hps.recon.particle.ReconParticleDriver.makeReconstructedParticles(ReconParticleDriver.java:343)
> at org.hps.recon.particle.ReconParticleDriver.process(ReconParticleDriver.java:445)
> at org.hps.recon.particle.HpsReconParticleDriver.process(HpsReconParticleDriver.java:132)
> at org.lcsim.util.Driver.doProcess(Driver.java:261)
> at org.lcsim.util.Driver.processChildren(Driver.java:271)
> at org.lcsim.util.Driver.process(Driver.java:187)
> at org.lcsim.util.DriverAdapter.recordSupplied(DriverAdapter.java:74)
> at org.freehep.record.loop.DefaultRecordLoop.consumeRecord(DefaultRecordLoop.java:832)
> at org.freehep.record.loop.DefaultRecordLoop.loop(DefaultRecordLoop.java:668)
> at org.freehep.record.loop.DefaultRecordLoop.execute(DefaultRecordLoop.java:566)
> at org.lcsim.util.loop.LCSimLoop.loop(LCSimLoop.java:151)
> at org.lcsim.job.JobControlManager.run(JobControlManager.java:950)
> at org.hps.job.JobManager.run(JobManager.java:61)
> at org.hps.job.JobManager.main(JobManager.java:27)
>
> Back-tracking this, it seems to be related to either the database or the geometry, but I am not familiar enough with the process that is crashing to know for sure. It appears that some metadata or similar property does not exist for the 2.2 GeV detector, and therefore crashing upon reference.
>
> Any ideas how to correct this?
>
> Thanks,
>
> Kyle
>
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