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License: Apache License 2.0
Use SQL to transform your avro schema/records
License: Apache License 2.0
Hi,
I am trying to configure the Cassandra sink connector
https://github.com/Landoop/stream-reactor/tree/master/kafka-connect-cassandra
My avro schema has one field as map
{ "name": "desc", "type": {"type": "map", "values": "string"}}
I am trying to map this to Cassandra column description map<text,text>
, but getting the following issue.
Logs below.
org.apache.kafka.connect.errors.ConnectException: Exiting WorkerSinkTask due to unrecoverable exception.
at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:559)
at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:315)
at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:218)
at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:186)
at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:170)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:214)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: A KCQL error occurred.Can't flatten from schema:Schema{MAP} by selecting 'desc'
at com.datamountaineer.streamreactor.connect.errors.ThrowErrorPolicy.handle(ErrorPolicy.scala:58)
at com.datamountaineer.streamreactor.connect.errors.ErrorHandler$class.handleError(ErrorHandler.scala:83)
at com.datamountaineer.streamreactor.connect.errors.ErrorHandler$class.handleTry(ErrorHandler.scala:64)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter.handleTry(CassandraJsonWriter.scala:45)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter.insert(CassandraJsonWriter.scala:190)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter.write(CassandraJsonWriter.scala:137)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraSinkTask$$anonfun$put$2.apply(CassandraSinkTask.scala:69)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraSinkTask$$anonfun$put$2.apply(CassandraSinkTask.scala:69)
at scala.Option.foreach(Option.scala:257)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraSinkTask.put(CassandraSinkTask.scala:69)
at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:537)
... 10 more
Caused by: java.lang.IllegalArgumentException: A KCQL error occurred.Can't flatten from schema:Schema{MAP} by selecting 'desc'
at com.datamountaineer.streamreactor.connect.converters.Transform$.raiseException$1(Transform.scala:40)
at com.datamountaineer.streamreactor.connect.converters.Transform$.apply(Transform.scala:83)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter$$anonfun$4$$anonfun$apply$5$$anonfun$apply$1.apply$mcV$sp(CassandraJsonWriter.scala:161)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter$$anonfun$4$$anonfun$apply$5$$anonfun$apply$1.apply(CassandraJsonWriter.scala:160)
at com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraJsonWriter$$anonfun$4$$anonfun$apply$5$$anonfun$apply$1.apply(CassandraJsonWriter.scala:160)
at com.datamountaineer.streamreactor.connect.concurrent.ExecutorExtension$RunnableWrapper$$anon$1.run(ExecutorExtension.scala:30)
... 3 more
Caused by: java.lang.IllegalArgumentException: Can't flatten from schema:Schema{MAP} by selecting 'desc'
at com.landoop.connect.sql.StructSchemaSql$AvroSchemaExtension$.checkAllowedSchemas(StructSchemaSql.scala:346)
at com.landoop.connect.sql.StructSchemaSql$SchemaSqlExtensions$$anonfun$com$landoop$connect$sql$StructSchemaSql$SchemaSqlExtensions$$createRecordSchemaForFlatten$extension$3.apply(StructSchemaSql.scala:183)
at com.landoop.connect.sql.StructSchemaSql$SchemaSqlExtensions$$anonfun$com$landoop$connect$sql$StructSchemaSql$SchemaSqlExtensions$$createRecordSchemaForFlatten$extension$3.apply(StructSchemaSql.scala:136)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at com.landoop.connect.sql.StructSchemaSql$SchemaSqlExtensions$.com$landoop$connect$sql$StructSchemaSql$SchemaSqlExtensions$$createRecordSchemaForFlatten$extension(StructSchemaSql.scala:136)
at com.landoop.connect.sql.StructSchemaSql$SchemaSqlExtensions$.flatten$extension(StructSchemaSql.scala:91)
at com.landoop.connect.sql.StructSql$StructSqlConverter$$anonfun$sql$extension2$1.apply(StructSql.scala:85)
at com.landoop.connect.sql.StructSql$StructSqlConverter$$anonfun$sql$extension2$1.apply(StructSql.scala:78)
at scala.Option.map(Option.scala:146)
at com.landoop.connect.sql.StructSql$StructSqlConverter$.sql$extension2(StructSql.scala:78)
at com.datamountaineer.streamreactor.connect.converters.Transform$$anonfun$5.apply(Transform.scala:80)
at com.datamountaineer.streamreactor.connect.converters.Transform$$anonfun$5.apply(Transform.scala:80)
at scala.util.Try$.apply(Try.scala:192)
at com.datamountaineer.streamreactor.connect.converters.Transform$.apply(Transform.scala:80)
... 7 more
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