Major - P3 Observed here:
https://travis-ci.org/github/mongodb/mongo-cxx-driver/jobs/703266901
With logs:
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session
pool
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/home/travis/build/mongodb/mongo-cxx-driver/src/mongocxx/test/client_session.cpp:125
...............................................................................
/home/travis/build/mongodb/mongo-cxx-driver/src/mongocxx/test/client_session.cpp:137: FAILED:
REQUIRE( session_c->id() == b_id )
with expansion:
{ "id" : { "$binary" : { "base64": "FqitkZCWSPq4O5kMipwlRQ==", "subType" :
"04" } } }
==
{?}
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After CDRIVER-3322, libmongoc no longer pools unused sessions. A test in the C++ driver was relying on this behavior. The fix is to simply use the session before destroying it so it gets back onto the pool.