help required on hosting tg2 app on uwsgi
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D R Dinesh Kumar
Mar 22, 2017, 10:41:51 PM3/22/17
to TurboGears
Hi All,
I am trying to host tg2 app on uwsgi.
my uwsgi.ini file contains:
---------------------------------------
[uwsgi]
module = wsgi:application
master = true
processes = 1
socket = app.sock
chmod-socket = 664
vacuum = true
die-on-term = true
lazy = true
and wsgi.py contains:
--------------------------------
APP_CONFIG = 'path-to-production.ini'
from paste.deploy import loadapp
application = loadapp('config:%s' % APP_CONFIG)
I am not sure if wsgi.py has the right way of calling the application for uwsgi.
Please help.
With Regards,
Dinesh.
D R Dinesh Kumar
Mar 23, 2017, 12:06:21 AM3/23/17
to TurboGears
can some one please help ??
I tried uwsgi --paste <production.ini> but that also gives me "uwsgi segmentation fault error" and doesn't host the application.
All the previous threads on this topic have expired links and so actual help from them.
Help on this is really appreciated
With Regards,
Dinesh.
D R Dinesh Kumar
Mar 23, 2017, 2:24:49 AM3/23/17
to TurboGears
Full backtrace of error:
!!! uWSGI process 28030 got Segmentation Fault !!!
*** backtrace of 28030 ***
/u/vgtools2/VPython2.7/bin/uwsgi(uwsgi_backtrace+0x29) [0x46d2a9]
/u/vgtools2/VPython2.7/bin/uwsgi(uwsgi_segfault+0x21) [0x46d431]
/lib64/libc.so.6(+0x326a0) [0x7ffff59e86a0]
/usr/lib64/libcrypto.so.10(EVP_PKEY_CTX_dup+0x20) [0x7ffff6996d60]
/usr/lib64/libcrypto.so.10(EVP_MD_CTX_copy_ex+0xbd) [0x7ffff6988c3d]
/remote/vtghome9/vgtools2/VPython2.7/lib/python2.7/lib-dynload/_hashlib.so(+0x1a4a) [0x7fffeaf8fa4a]
/remote/vtghome9/vgtools2/VPython2.7/lib/python2.7/lib-dynload/_hashlib.so(+0x1dd0) [0x7fffeaf8fdd0]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x66da) [0x7ffff606c3ba]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x5fd7) [0x7ffff606bcb7]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x8c9) [0x7ffff606d9a9]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32) [0x7ffff606da22]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ExecCodeModuleEx+0xc2) [0x7ffff6080cf2]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1023be) [0x7ffff60833be]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x102b60) [0x7ffff6083b60]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1030b1) [0x7ffff60840b1]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x118) [0x7ffff60842c8]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0xe392d) [0x7ffff606492d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyObject_Call+0x68) [0x7ffff5fc6708]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x56) [0x7ffff6064f76]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x381c) [0x7ffff60694fc]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x8c9) [0x7ffff606d9a9]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32) [0x7ffff606da22]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ExecCodeModuleEx+0xc2) [0x7ffff6080cf2]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1023be) [0x7ffff60833be]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x102b60) [0x7ffff6083b60]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x103032) [0x7ffff6084032]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x15d) [0x7ffff608430d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0xe392d) [0x7ffff606492d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyObject_Call+0x68) [0x7ffff5fc6708]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x56) [0x7ffff6064f76]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x381c) [0x7ffff60694fc]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x8c9) [0x7ffff606d9a9]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32) [0x7ffff606da22]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ExecCodeModuleEx+0xc2) [0x7ffff6080cf2]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1023be) [0x7ffff60833be]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x10410d) [0x7ffff608510d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x102b60) [0x7ffff6083b60]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1030b1) [0x7ffff60840b1]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x118) [0x7ffff60842c8]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0xe392d) [0x7ffff606492d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyObject_Call+0x68) [0x7ffff5fc6708]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x56) [0x7ffff6064f76]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x381c) [0x7ffff60694fc]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x8c9) [0x7ffff606d9a9]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32) [0x7ffff606da22]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ExecCodeModuleEx+0xc2) [0x7ffff6080cf2]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x1023be) [0x7ffff60833be]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x102b60) [0x7ffff6083b60]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0x103032) [0x7ffff6084032]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyImport_ImportModuleLevel+0x15d) [0x7ffff608430d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(+0xe392d) [0x7ffff606492d]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x5dd3) [0x7ffff606bab3]
/depot/Python-2.7/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x8c9) [0x7ffff606d9a9]
*** end of backtrace ***
Segmentation fault
With Regards,
Dinesh.
Alessandro Molina
Mar 23, 2017, 3:28:34 AM3/23/17
to TurboGears
The easiest way to serve a TG app through uwsgi is surely through Paste Support -> http://uwsgi-docs.readthedocs.io/en/latest/Python.html#paste-support
Even wrongly configured things shouldn't lead to segfaults, so you might be facing some bug or packaging issues.
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D R Dinesh Kumar
Mar 23, 2017, 3:53:06 AM3/23/17
to TurboGears
Hi Alessandro,
Yes, I have contacted uWSGI mailing list and waiting for their reply.
I have seen a lot of people complaining about the same issue and the solutions are always different.
I have the latest version of uwsgi and not really sure what went wrong here.
Thank you for your input here.
will wait for uwsgi mailing list to reply.
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D R Dinesh Kumar
Mar 25, 2017, 3:42:47 AM3/25/17
to TurboGears
The OpenSSL versions are different between python and uwsgi. Uwsgi took system OpenSSL version which is different from python.
Had to re-install python with required OpenSSL version by making changes to Modules/setup.dist and Modules/setup files. If required, even setup.py also might need changes to look at right path for OpenSSL libs.
This has fixed the issue.
Had to re-install python with required OpenSSL version by making changes to Modules/setup.dist and Modules/setup files. If required, even setup.py also might need changes to look at right path for OpenSSL libs.
This has fixed the issue.
Thank you all.
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