[2020-09-01 13:46:05,201] INFO WorkerSourceTask{id=mongo-source-1-0} Committing offsets (org.apache.kafka.connect.runtime.WorkerSourceTask)
[2020-09-01 13:46:05,201] INFO WorkerSourceTask{id=mongo-source-1-0} flushing 0 outstanding messages for offset commit (org.apache.kafka.connect.runtime.WorkerSourceTask)
[2020-09-01 13:46:05,201] DEBUG WorkerSourceTask{id=mongo-source-1-0} Finished offset commitOffsets successfully in 0 ms (org.apache.kafka.connect.runtime.WorkerSourceTask)
[2020-09-01 13:46:05,203] ERROR WorkerSourceTask{id=mongo-source-1-0} Task threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask)
java.lang.OutOfMemoryError: Java heap space
	at java.util.Arrays.copyOf(Arrays.java:3332)
	at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
	at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
	at java.lang.StringBuffer.append(StringBuffer.java:270)
	at java.io.StringWriter.write(StringWriter.java:101)
	at org.bson.json.StrictCharacterStreamJsonWriter.write(StrictCharacterStreamJsonWriter.java:368)
	at org.bson.json.StrictCharacterStreamJsonWriter.preWriteValue(StrictCharacterStreamJsonWriter.java:288)
	at org.bson.json.StrictCharacterStreamJsonWriter.writeStartObject(StrictCharacterStreamJsonWriter.java:203)
	at org.bson.json.ExtendedJsonInt64Converter.convert(ExtendedJsonInt64Converter.java:22)
	at org.bson.json.ExtendedJsonInt64Converter.convert(ExtendedJsonInt64Converter.java:19)
	at org.bson.json.JsonWriter.doWriteInt64(JsonWriter.java:174)
	at org.bson.AbstractBsonWriter.writeInt64(AbstractBsonWriter.java:447)
	at org.bson.codecs.BsonInt64Codec.encode(BsonInt64Codec.java:36)
	at org.bson.codecs.BsonInt64Codec.encode(BsonInt64Codec.java:28)
	at org.bson.codecs.EncoderContext.encodeWithChildContext(EncoderContext.java:91)
	at org.bson.codecs.BsonArrayCodec.encode(BsonArrayCodec.java:82)
	at org.bson.codecs.BsonArrayCodec.encode(BsonArrayCodec.java:37)
	at org.bson.codecs.EncoderContext.encodeWithChildContext(EncoderContext.java:91)
	at org.bson.codecs.BsonDocumentCodec.writeValue(BsonDocumentCodec.java:136)
	at org.bson.codecs.BsonDocumentCodec.encode(BsonDocumentCodec.java:115)
	at org.bson.codecs.BsonDocumentCodec.encode(BsonDocumentCodec.java:41)
	at org.bson.internal.LazyCodec.encode(LazyCodec.java:38)
	at org.bson.codecs.EncoderContext.encodeWithChildContext(EncoderContext.java:91)
	at org.bson.codecs.BsonDocumentCodec.writeValue(BsonDocumentCodec.java:136)
	at org.bson.codecs.BsonDocumentCodec.encode(BsonDocumentCodec.java:115)
	at org.bson.codecs.BsonDocumentCodec.encode(BsonDocumentCodec.java:41)
	at org.bson.codecs.EncoderContext.encodeWithChildContext(EncoderContext.java:91)
	at org.bson.codecs.BsonDocumentCodec.writeValue(BsonDocumentCodec.java:136)
	at org.bson.codecs.BsonDocumentCodec.encode(BsonDocumentCodec.java:115)
	at org.bson.BsonDocument.toJson(BsonDocument.java:835)
	at org.bson.BsonDocument.toJson(BsonDocument.java:825)
	at com.mongodb.kafka.connect.source.MongoSourceTask.poll(MongoSourceTask.java:192)