[Scons-users] SCons freezes

[Sven Lars Tobias Stål]

Thank you for your advice!

That sounded like a plausible solution, but unfortunately it didn’t help. I should also clarify that no build works anymore, or rather, everything freezes in the end or give the error report about DB_PAGE NOTFOUND. I need to rebuild every time I run.

I’ve tried to reinstall and starting with new SConstruct files but the problem stays.

I grateful for any advice of how I can continue, I’ve only used SCons in this limited way, so I don’t know much about the construction tool works.

I’m on Mac OS 10.9.5

Best regards,
Tobbe




On 20 May 2015, at 15:40 , Gary Oberbrunner <garyo at oberbrunner.com<mailto:garyo at oberbrunner.com>> wrote:

This is related to the .sconsign.dblite file I think, where SCons records the build signatures from previous builds.  Could be a permissions issue or file corruption due to the previous error.  I recommend deleting that file, which will cause a complete rebuild, and then you should be OK.

On Wed, May 20, 2015 at 8:49 AM, Sven Lars Tobias Stål <smp428 at alumni.ku.dk<mailto:smp428 at alumni.ku.dk>> wrote:
Dear all,

I suddenly get a problem. I’d be very grateful if anyone can point me in the right direction.

I’ve been using SCons for some time now to build seismic work flows without any problems. Today I ran a rather long process and it ended with some kind of error. I checked my SConstruct, didn’t find any particular mistake.

But now SCons doesn’t work as before. When I run one SConstruct, it reaches 'scons: done building targets.’ but then freeze.

When I run the same SConstruct in another folder I get:

scons: done building targets.
DBPageNotFoundError: (-30986, 'DB_PAGE_NOTFOUND: Requested page not found'):
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Script/Main.py", line 1372:
    _exec_main(parser, values)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Script/Main.py", line 1335:
    _main(parser)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Script/Main.py", line 1099:
    nodes = _build_targets(fs, options, targets, target_top)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Script/Main.py", line 1297:
    jobs.run(postfunc = jobs_postfunc)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Job.py", line 113:
    postfunc()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/Script/Main.py", line 1294:
    SCons.SConsign.write()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/SConsign.py", line 102:
    sig_file.write(sync=0)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/scons-2.3.4/SCons/SConsign.py", line 250:
    db[path] = pickle.dumps(self.entries, 1)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/bsddb/__init__.py", line 279:
    _DeadlockWrap(wrapF)  # self.db[key] = value
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/bsddb/dbutils.py", line 68:
    return function(*_args, **_kwargs)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/bsddb/__init__.py", line 278:
    self.db[key] = value
Exception TypeError: "'NoneType' object is not callable" in  ignored

And if I run SConstruct again, it builds the same files again.

Best regards,
Sven
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--
Gary
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