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https://issues.apache.org/jira/browse/BEAM-3165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923932#comment-16923932
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Maxim Ermilov commented on BEAM-3165:
-------------------------------------
Python's apache_beam.io.mongodbio has same bug.
From [https://docs.mongodb.com/manual/core/document/#the-id-field]
"The {{_id}} field may contain values of any [BSON data
type|https://docs.mongodb.com/manual/reference/bson-types/], other than an
array."
So code should not assume _id to be
[ObjectId|https://docs.mongodb.com/manual/reference/bson-types/#objectid]
> Mongo document read with non hex objectid
> -----------------------------------------
>
> Key: BEAM-3165
> URL: https://issues.apache.org/jira/browse/BEAM-3165
> Project: Beam
> Issue Type: Bug
> Components: io-java-mongodb
> Affects Versions: 2.1.0
> Reporter: Utkarsh Sopan
> Priority: Major
>
> I have a mongo collection which has non-hex '_id' in form a string.
> I cant read them into a PCollection getting following exception
> Exception in thread "main" java.lang.IllegalArgumentException: invalid
> hexadecimal representation of an ObjectId: [somestring]
> at org.bson.types.ObjectId.parseHexString(ObjectId.java:523)
> at org.bson.types.ObjectId.<init>(ObjectId.java:237)
> at
> org.bson.json.JsonReader.visitObjectIdConstructor(JsonReader.java:674)
> at org.bson.json.JsonReader.readBsonType(JsonReader.java:197)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:139)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
> at org.bson.codecs.configuration.LazyCodec.decode(LazyCodec.java:47)
> at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:215)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:141)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
> at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:215)
> at org.bson.codecs.DocumentCodec.readList(DocumentCodec.java:222)
> at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:208)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:141)
> at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
> at org.bson.Document.parse(Document.java:105)
> at org.bson.Document.parse(Document.java:90)
> at
> org.apache.beam.sdk.io.mongodb.MongoDbIO$BoundedMongoDbReader.start(MongoDbIO.java:472)
> at
> org.apache.beam.runners.direct.BoundedReadEvaluatorFactory$BoundedReadEvaluator.processElement(BoundedReadEvaluatorFactory.java:141)
> at
> org.apache.beam.runners.direct.TransformExecutor.processElements(TransformExecutor.java:146)
> at
> org.apache.beam.runners.direct.TransformExecutor.run(TransformExecutor.java:110)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
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