[Halld-offline] hd_root crashing with hddm files fix

[Naomi Jarvis]

With this version set https://halldweb.jlab.org/dist/version_2.23.xml
and then sim-recon updated again this morning, master branch,  I was
getting hd_root crashes when using variation=mc on hddm files.

This is supposed to be a transient issue that might not apply to all
builds.  However, just in case anyone else runs into it...

The fix was
unsetenv RCDB_HOME
then make a clean build of sim-recon.

The fix was from Sean, I did not think of it myself, alas.   The crash
message is copied below for your amusement.

Naomi.




eg
 ANA >>154921 entries found (Created Magnetic field map of type
DMagneticFieldMapFineMesh

JANA >>Creating DGeometry:

JANA >>  Run requested:11405  found:11405

JANA >>  Run validity range: 11405-11405

JANA >>  URL="xmlfile:///home/gluex/hdds/hdds//main_HDDS.xml"
context="default"

JANA >>  Type="JGeometryXML"

JANA >>Found 23 material maps in calib. DB

JANA >>Read in 23 material maps for run 11405 containing 75973 grid points
total

Created TGeoManager :0x7f2f99d17ea0s read)  0.0Hz  (avg.: 0.0Hz)

DParticleID: loading values from PID data base

JANA >>Creating DTranslationTable for run 11405Hz  (avg.: 0.0Hz)

JANA >>Reading translation table from calib DB: Translation/DAQ2detector ...

JANA >>23162 channels defined in translation table

JANA >> Factory Call Stack

JANA >>============================

JANA >> DL1MCTrigger: (brun)         --   line:281
/home/gluex/jana/jana_0.7.9p1/Linux_RHEL6-x86_64-gcc4.9.2/in
clude/JANA/JFactory.h

JANA >> DL1MCTrigger

JANA >> DTrigger: (evnt)             --   line:299
/home/gluex/jana/jana_0.7.9p1/Linux_RHEL6-x86_64-gcc4.9.2/in
clude/JANA/JFactory.h

JANA >> DTrigger

JANA >> JEventLoop:OneEvent  (evnt)  --   line:695  src/JANA/JEventLoop.cc

JANA >>----------------------------

src/JANA/JEventLoop.cc:698 * EXCEPTION : std::exception*

src/JANA/JApplication.cc:1386 * EXCEPTION caught for thread 139842807535360
: std::exception*

JANA ERROR>>
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