diff options
Diffstat (limited to 'src/mongo/shell/mongo.js')
| -rw-r--r-- | src/mongo/shell/mongo.js | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/mongo/shell/mongo.js b/src/mongo/shell/mongo.js index faf2b624b66..e574f0b99d7 100644 --- a/src/mongo/shell/mongo.js +++ b/src/mongo/shell/mongo.js @@ -263,6 +263,10 @@ connect = function(url, user, pass) { } } + if (_shouldUseImplicitSessions()) { + chatty("Implicit session: " + db.getSession()); + } + // Implicit sessions should not be used when opening a connection. In particular, the buildInfo // command is erroneously marked as requiring auth in MongoDB 3.6 and therefore fails if a // logical session id is included in the request. @@ -445,14 +449,30 @@ Mongo.prototype._getDefaultSession = function getDefaultSession() { // a logical session id. These implicit sessions are intentionally not causally consistent. If // implicit sessions have been globally disabled, a dummy session is used instead of a real one. if (!this.hasOwnProperty("_defaultSession")) { - this._defaultSession = _shouldUseImplicitSessions() - ? this.startSession({causalConsistency: false}) - : new _DummyDriverSession(this); + if (_shouldUseImplicitSessions()) { + try { + this._defaultSession = this.startSession({causalConsistency: false}); + } catch (e) { + if (e instanceof DriverSession.UnsupportedError) { + chatty("WARNING: No implicit session: " + e.message); + this._setDummyDefaultSession(); + } else { + print("ERROR: Implicit session failed: " + e.message); + throw(e); + } + } + } else { + this._setDummyDefaultSession(); + } this._defaultSession._isExplicit = false; } return this._defaultSession; }; +Mongo.prototype._setDummyDefaultSession = function setDummyDefaultSession() { + this._defaultSession = new _DummyDriverSession(this); +}; + Mongo.prototype.isCausalConsistency = function isCausalConsistency() { if (!this.hasOwnProperty("_causalConsistency")) { this._causalConsistency = false; |