Christopher Tubbs created ZOOKEEPER-3983:
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Summary: C client test suite hangs forever 'sss' is configured in
/etc/nsswitch.conf
Key: ZOOKEEPER-3983
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3983
Project: ZooKeeper
Issue Type: Bug
Components: c client, tests
Affects Versions: 3.7.0
Environment: Fedora 32 x86_64
default /etc/nsswitch.conf file (provided by glibc package)
sssd services are not running, but sss does appear above files in the 'passwd'
entry
Reporter: Christopher Tubbs
While testing a full build on the master branch (3.7.0-SNAPSHOT), I observed
that the C client tests hang indefinitely when reaching the zktest-mt's
Zookeeper_close test suite (nothing is printed from that suite, but
Zookeeper_init finishes and then nothing is printed)
Attaching gdb as a debugger to the zktest-mt process, with the help of [~ztzg]
and [~symat] I saw that it was stuck in the sss because of the test mocking
sockets, and sss requiring a non-mocked socket to call getpwuid_r and getlogin
functions in zookeeper-client/zookeeper-client-c/src/zookeeper.c
Disabling the lines in zookeeper.c that called those functions, which seemed to
be used for logging information only, the tests were able to proceed and
complete in under 9 minutes (full-build, without running any surefire/junit
tests).
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