Folks:
We've been using parallel Mathematica for a while now to great success. SGE
6.2_U5, gridMathematica 8.0.4. It 'just worked'. No fiddling (well, had to
specify a specific NIC in Mathematica code, more below).
Suddenly I'm getting this:
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qlogin
math
Mathematica 8.0 for Linux x86 (64-bit)
Copyright 1988-2011 Wolfram Research, Inc.
In[1]:= Needs["ClusterIntegration`"]
In[2]:= LaunchKernels[SGE["localhost"], 2]
Java::excptn: A Java exception occurred:
org.ggf.drmaa.InternalException: cl_com_setup_commlib failed: timeout.
while waiting for thread start
at com.sun.grid.drmaa.SessionImpl.nativeInit(Native Method)
at com.sun.grid.drmaa.SessionImpl.init(SessionImpl.java:291)
SGE::load: Cannot find components required for SGE.
Out[2]= $Failed
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I've got a good CLASSPATH and LD_LIBRARY_PATH
It was all working, and was working intermittently this past week ... but now
it seems permanently wedged.
Any thoughts? Any way to increase that cl_com_setup_commlib timeout?
Thanks for any inspiration, we're feeling pretty stuck here. Haven't heard back
from Wolfram after their suggestion of forcing the EnginePath, but that wasn't
it. :(
Cheers, Hugh
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