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description: state change errors are correctly handled
schemaVersion: '1.3'
runOnRequirements:
- topologies: [ load-balanced ]
_yamlAnchors:
observedEvents: &observedEvents
- connectionCreatedEvent
- connectionReadyEvent
- connectionCheckedOutEvent
- connectionCheckOutFailedEvent
- connectionCheckedInEvent
- connectionClosedEvent
- poolClearedEvent
createEntities:
- client:
id: &failPointClient failPointClient
useMultipleMongoses: false
- client:
id: &singleClient singleClient
useMultipleMongoses: false
uriOptions:
appname: &singleClientAppName lbSDAMErrorTestClient
retryWrites: false
observeEvents: *observedEvents
- database:
id: &singleDB singleDB
client: *singleClient
databaseName: &singleDBName singleDB
- collection:
id: &singleColl singleColl
database: *singleDB
collectionName: &singleCollName singleColl
- client:
id: &multiClient multiClient
useMultipleMongoses: true
uriOptions:
retryWrites: false
observeEvents: *observedEvents
- database:
id: &multiDB multiDB
client: *multiClient
databaseName: &multiDBName multiDB
- collection:
id: &multiColl multiColl
database: *multiDB
collectionName: &multiCollName multiColl
initialData:
- collectionName: *singleCollName
databaseName: *singleDBName
documents:
- _id: 1
- _id: 2
- _id: 3
- collectionName: *multiCollName
databaseName: *multiDBName
documents:
- _id: 1
- _id: 2
- _id: 3
tests:
- description: only connections for a specific serviceId are closed when pools are cleared
runOnRequirements:
# This test assumes that two sequential connections receive different serviceIDs.
# Sequential connections to a serverless instance may receive the same serviceID.
- serverless: forbid
operations:
# Create two cursors to force two connections.
- name: createFindCursor
object: *multiColl
arguments:
filter: {}
batchSize: 2
saveResultAsEntity: &cursor0 cursor0
- name: createFindCursor
object: *multiColl
arguments:
filter: {}
batchSize: 2
saveResultAsEntity: &cursor1 cursor1
# Close both cursors to return the connections to the pool.
- name: close
object: *cursor0
- name: close
object: *cursor1
# Fail an operation with a state change error.
- name: failPoint
object: testRunner
arguments:
client: *multiClient
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: [insert]
errorCode: &errorCode 11600 # InterruptedAtShutdown
- name: insertOne
object: *multiColl
arguments:
document: { x: 1 }
expectError:
errorCode: *errorCode
# Do another operation to ensure the relevant connection has been closed.
- name: insertOne
object: *multiColl
arguments:
document: { x: 1 }
expectEvents:
- client: *multiClient
eventType: cmap
events:
# Create cursors.
- connectionCreatedEvent: {}
- connectionReadyEvent: {}
- connectionCheckedOutEvent: {}
- connectionCreatedEvent: {}
- connectionReadyEvent: {}
- connectionCheckedOutEvent: {}
# Close cursors.
- connectionCheckedInEvent: {}
- connectionCheckedInEvent: {}
# Set failpoint.
- connectionCheckedOutEvent: {}
- connectionCheckedInEvent: {}
# First insertOne.
- connectionCheckedOutEvent: {}
- poolClearedEvent: {}
- connectionCheckedInEvent: {}
- connectionClosedEvent:
reason: stale
# Second insertOne.
- connectionCheckedOutEvent: {}
- connectionCheckedInEvent: {}
# This test uses singleClient to ensure that connection attempts are routed
# to the same mongos on which the failpoint is set.
- description: errors during the initial connection hello are ignore
runOnRequirements:
# Server version 4.9+ is needed to set a fail point on the initial
# connection handshake with the appName filter due to SERVER-49336.
- minServerVersion: '4.9'
operations:
- name: failPoint
object: testRunner
arguments:
client: *failPointClient
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: [isMaster]
closeConnection: true
appName: *singleClientAppName
- name: insertOne
object: *singleColl
arguments:
document: { x: 1 }
expectError:
isClientError: true
expectEvents:
- client: *singleClient
eventType: cmap
events:
- connectionCreatedEvent: {}
- connectionClosedEvent:
reason: error
- connectionCheckOutFailedEvent:
reason: connectionError
- description: errors during authentication are processed
runOnRequirements:
- auth: true
operations:
- name: failPoint
object: testRunner
arguments:
client: *failPointClient
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: [saslContinue]
closeConnection: true
appName: *singleClientAppName
- name: insertOne
object: *singleColl
arguments:
document: { x: 1 }
expectError:
isClientError: true
expectEvents:
- client: *singleClient
eventType: cmap
events:
- connectionCreatedEvent: {}
- poolClearedEvent: {}
- connectionClosedEvent:
reason: error
- connectionCheckOutFailedEvent:
reason: connectionError
- description: stale errors are ignored
operations:
- name: failPoint
object: testRunner
arguments:
client: *failPointClient
failPoint:
configureFailPoint: failCommand
mode: { times: 2 }
data:
failCommands: [getMore]
closeConnection: true
# Force two connections to be checked out from the pool.
- name: createFindCursor
object: *singleColl
arguments:
filter: {}
batchSize: 2
saveResultAsEntity: &cursor0 cursor0
- name: createFindCursor
object: *singleColl
arguments:
filter: {}
batchSize: 2
saveResultAsEntity: &cursor1 cursor1
# Iterate cursor0 three times to force a network error.
- name: iterateUntilDocumentOrError
object: *cursor0
- name: iterateUntilDocumentOrError
object: *cursor0
- name: iterateUntilDocumentOrError
object: *cursor0
expectError:
isClientError: true
- name: close
object: *cursor0
# Iterate cursor1 three times to force a network error.
- name: iterateUntilDocumentOrError
object: *cursor1
- name: iterateUntilDocumentOrError
object: *cursor1
- name: iterateUntilDocumentOrError
object: *cursor1
expectError:
isClientError: true
- name: close
object: *cursor1
expectEvents:
- client: *singleClient
eventType: cmap
events:
# Events for creating both cursors.
- connectionCreatedEvent: {}
- connectionReadyEvent: {}
- connectionCheckedOutEvent: {}
- connectionCreatedEvent: {}
- connectionReadyEvent: {}
- connectionCheckedOutEvent: {}
# Events for iterating and closing the first cursor. The failed
# getMore should cause a poolClearedEvent to be published.
- poolClearedEvent: {}
- connectionCheckedInEvent: {}
- connectionClosedEvent: {}
# Events for iterating and closing the second cursor. The failed
# getMore should not clear the pool because the connection's
# generation number is stale.
- connectionCheckedInEvent: {}
- connectionClosedEvent: {}
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