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Type:
Task
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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Atlas Streams
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Fully Compatible
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Sprint 32
mstreams: Invalid bytes in UTF8 string
Caused by a message like:
"{\"$set\":{\"$schema\":\"/mediawiki/recentchange/1.0.0\",\"meta\":{\"uri\":\"https://it.wikipedia.org/wiki/Discussioni_utente:Valepert\",\"request_id\":\"c6d88f7f-9a3c-4b7e-a7cd-421b90ed4a46\",\"id\":\"48472b65-6635-4b65-990c-fcc5e66310e6\",\"dt\":\"2023-09-21T03:05:04Z\",\"domain\":\"it.wikipedia.org\",\"stream\":\"mediawiki.recentchange\",\"topic\":\"codfw.mediawiki.recentchange\",\"partition\":
{\"$numberInt\":\"0\"},\"offset\":{\"$numberInt\":\"628263911\"}},\"id\":{\"$numberInt\":\"326192030\"},\"type\":\"edit\",\"namespace\":{\"$numberInt\":\"3\"},\"title\":\"Discussioni utente:Valepert\",\"title_url\":\"https://it.wikipedia.org/wiki/Discussioni_utente:Valepert\",\"comment\":\"\355\240\274\355\275\270\",\"timestamp\":{\"$numberInt\":\"1695265504\"},\"user\":\"Valepert\",\"bot\":false,\"notify_url\":\"https://it.wikipedia.org/w/index.php?diff=135583987&oldid=135530929&rcid=326192030\",\"minor\":false,\"patrolled\":true,\"length\":{\"old\":
{\"$numberInt\":\"48232\"},\"new\":{\"$numberInt\":\"48253\"}},\"revision\":{\"old\":
{\"$numberInt\":\"135530929\"},\"new\":{\"$numberInt\":\"135583987\"}},\"server_url\":\"https://it.wikipedia.org\",\"server_name\":\"it.wikipedia.org\",\"server_script_path\":\"/w\",\"wiki\":\"itwiki\",\"parsedcomment\":\"\355\240\274\355\275\270\",\"_ts\":{\"$date\":{\"$numberLong\":\"1695272056821\"}},\"_stream_meta\":{\"sourceType\":\"kafka\",\"sourcePartition\":
{\"$numberInt\":\"0\"},\"sourceOffset\":{\"$numberLong\":\"10882591\"},\"timestamp\":{\"$date\":
{\"$numberLong\":\"1695272056821\"}}},\"_id\":{\"$oid\":\"650c82f98c47efea135f73a3\"}}}"
This kafka:
kafkacat -C -b kafka.0x2f8.io:9093 -X security.protocol=SASL_PLAINTEXT -X sasl.mechanisms=PLAIN -X sasl.username=mongo -X sasl.password=mongodata_123 -C -t “topic name”
This streamProcessor:
{
id: '650bb29b49d37c600ee82da1',
name: 'kafkaToCollection',
lastModified: ISODate("2023-09-21T03:03:55.814Z"),
state: 'FAILED',
errorMsg: 'resource has no heartbeat',
pipeline: [
*{ '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }},*
{
'$merge': {
into: { connectionName: 'TestAtlas1', db: 'test', coll: 'wiki1' }
}
}
]
}
Happened after
{ partitions: [
] }
Happened again after 10821979
{ [-]
_p: F
attr: { [-]
context: { [-]
streamProcessorId: 650bb29b49d37c600ee82da1
streamProcessorName: kafkaToCollection
tenantId: 650761da7df3a953fbe8390c
}
error: invalid bytes in UTF8 string: could not parse JSON document
}
c: STREAMS
ctx: thread373
id: 75897
kube:
{ [[+]|https://splunk.corp.mongodb.com/en-US/app/cloud/search?earliest=-60m%40m&latest=now&q=search%20index%3Dmhouse-dev%20650bb29b49d37c600ee82da1%20c%3DSTREAMS&display.page.search.mode=smart&dispatch.sample_ratio=1&sid=1695266377.8807063#] }msg: encountered exception, exiting runLoop(): {error}
s: E
stream: stdout
t:
{ [[+]|https://splunk.corp.mongodb.com/en-US/app/cloud/search?earliest=-60m%40m&latest=now&q=search%20index%3Dmhouse-dev%20650bb29b49d37c600ee82da1%20c%3DSTREAMS&display.page.search.mode=smart&dispatch.sample_ratio=1&sid=1695266377.8807063#] }time: 2023-09-21T03:11:07.151782139Z
}
mstreams Error: “field not found, expected type array” fails streamProcessor using $merge
Works:
sp.process([ { '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }}] )
Fails:
sp.process([ { '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }}, { '$merge': { into:
{ connectionName: 'TestAtlas1', db: 'test', coll: 'wiki1' }} }] )
sp.createStreamProcessor('kafkaToMongoAttempt6', [ { '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }}, { '$merge': { into:
{ connectionName: 'TestAtlas1', db: 'test', coll: 'wiki1' }} }] )
Starting at:
state: { partitions: [
{ partition: 0, offset: 10878743 }] }
{ [-]
_p: F
attr: { [-]
context:
{ [[+]|https://splunk.corp.mongodb.com/en-US/app/cloud/search?earliest=-60m%40m&latest=now&q=search%20index%3Dmhouse-dev%20kafkaToMongoAttempt6%20c%3DSTREAMS&display.page.search.mode=smart&dispatch.sample_ratio=1&sid=1695271863.8816704#] }error: field not found, expected type array
errorCode: 13111
reason: field not found, expected type array
}
c: STREAMS
ctx: thread1582
id: 75899
kube:
{ [[+]|https://splunk.corp.mongodb.com/en-US/app/cloud/search?earliest=-60m%40m&latest=now&q=search%20index%3Dmhouse-dev%20kafkaToMongoAttempt6%20c%3DSTREAMS&display.page.search.mode=smart&dispatch.sample_ratio=1&sid=1695271863.8816704#] }msg: encountered exception, exiting runLoop(): {error}
s: W
stream: stdout
t:
{ [[+]|https://splunk.corp.mongodb.com/en-US/app/cloud/search?earliest=-60m%40m&latest=now&q=search%20index%3Dmhouse-dev%20kafkaToMongoAttempt6%20c%3DSTREAMS&display.page.search.mode=smart&dispatch.sample_ratio=1&sid=1695271863.8816704#] }time: 2023-09-21T04:50:41.381178725Z
}
Also repros with below pipeline Around offset 10854764
sp.process([
{ '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }},
{ '$tumblingWindow': { interval:
{ size: 5, unit: 'second' }, pipeline: [
{ '$group': { _id: '$title_url', count: { '$count': {} } } },
{ '$sort':
{ count: -1 }},
{ '$limit': 5 },
{ '$group': {
_id: null,
top_urls: { $push: { top_urls:
{ title_url: "$_id", count: "$count" }}}
}}] } },
{ '$project':
{ _id: 0 }},
{ '$merge': { into:
{ connectionName: 'TestAtlas1', db: 'test', coll: 'wiki1Top5PerHour' }} }] )
Field not found, expecting array
error: field not found, expected type array
errorCode: 13111
reason: field not found, expected type array
mstreams async failure just reports “resource has no heartbeat”, we should supply the error message from mstreams
{
id: '650bb57f49d37c600ee82dbc',
name: 'kafkaToCollectionAttempt2',
lastModified: ISODate("2023-09-21T03:16:15.924Z"),
state: 'FAILED',
errorMsg: 'resource has no heartbeat',
pipeline: [
{ '$source':
{ connectionName: 'TestKafka1', topic: 'wiki1' }},
{
'$merge': {
into:
{ connectionName: 'TestAtlas1', db: 'test', coll: 'wiki1' }}
}
]
},