[
https://issues.apache.org/jira/browse/KAFKA-7512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Yokota resolved KAFKA-7512.
----------------------------------
Resolution: Duplicate
> java.lang.ClassCastException: java.util.Date cannot be cast to
> java.lang.Number
> -------------------------------------------------------------------------------
>
> Key: KAFKA-7512
> URL: https://issues.apache.org/jira/browse/KAFKA-7512
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 2.0.0
> Reporter: Rohit Kumar Gupta
> Priority: Blocker
> Attachments: connect.out
>
>
> Steps:
> ~~~~~~
> bash-4.2# kafka-avro-console-producer --broker-list localhost:9092 --topic
> connect_10oct_03 -property schema.registry.url=http://localhost:8081
> --property value.schema='{"type":"record","name":"myrecord","fields":[
> {"name":"f1","type":"string"}
> ,{"name":"f2","type":["null",
> {"type":"long","logicalType":"timestamp-millis","connect.version":1,"connect.name":"org.apache.kafka.connect.data.Timestamp"}
> ],"default":null}]}'
> {"f1": "value1","f2": \{"null":null}}
> {"f1": "value1","f2": \{"long":1022}}
>
> bash-4.2# kafka-avro-console-producer --broker-list localhost:9092 --topic
> connect_10oct_03 -property schema.registry.url=http://localhost:8081
> --property value.schema='{"type":"record","name":"myrecord","fields":[
> {"name":"f1","type":"string"}
> ,{"name":"f2","type":["null",
> {"type":"long","logicalType":"timestamp-millis","connect.version":1,"connect.name":"org.apache.kafka.connect.data.Timestamp"}
> ],"default":null},\{"name":"f3","type":"string","default":"green"}]}'
> {"f1": "value1","f2": \\{"null":null}
> ,"f3":"toto"}
> {"f1": "value1","f2": \\{"null":null}
> ,"f3":"toto"}
> {"f1": "value1","f2": \\{"null":null}
> ,"f3":"toto"}
> {"f1": "value1","f2": \\{"long":12343536}
> ,"f3":"tutu"}
>
> bash-4.2# kafka-avro-console-producer --broker-list localhost:9092 --topic
> connect_10oct_03 -property schema.registry.url=http://localhost:8081
> --property value.schema='{"type":"record","name":"myrecord","fields":[
> {"name":"f1","type":"string"}
> ,{"name":"f2","type":["null",
> {"type":"long","logicalType":"timestamp-millis","connect.version":1,"connect.name":"org.apache.kafka.connect.data.Timestamp"}
> ],"default":null}]}'
> {"f1": "value1","f2": \{"null":null}}
> {"f1": "value1","f2": \{"long":1022}}
>
> bash-4.2# curl -X POST -H "Accept: application/json" -H "Content-Type:
> application/json" http://localhost:8083/connectors -d
> '\{"name":"hdfs-sink-connector-10oct-03", "config":
> {"connector.class":"io.confluent.connect.hdfs.HdfsSinkConnector",
> "tasks.max":"1", "topics":"connect_10oct_03", "hdfs.url":
> "hdfs://localhost:8020/tmp/", "flush.size":"1", "hive.integration": "true",
> "hive.metastore.uris": "thrift://localhost:9083", "hive.database": "rohit",
> "schema.compatibility": "BACKWARD"}}'
> {"name":"hdfs-sink-connector-10oct-03","config":\\{"connector.class":"io.confluent.connect.hdfs.HdfsSinkConnector","tasks.max":"1","topics":"connect_10oct_03","hdfs.url":"hdfs://localhost:8020/tmp/","flush.size":"1","hive.integration":"true","hive.metastore.uris":"thrift://localhost:9083","hive.database":"rohit","schema.compatibility":"BACKWARD","name":"hdfs-sink-connector-10oct-03"}
> ,"tasks":[],"type":null}bash-4.2#
> bash-4.2#
>
> bash-4.2# curl
> http://localhost:8083/connectors/hdfs-sink-connector-10oct-03/status
> {"name":"hdfs-sink-connector-10oct-03","connector":\\{"state":"RUNNING","worker_id":"localhost:8083"}
> ,"tasks":[\\{"state":"FAILED","trace":"org.apache.kafka.connect.errors.ConnectException:
> Exiting WorkerSinkTask due to unrecoverable exception.\n\tat
> org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:586)\n\tat
>
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:322)\n\tat
>
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:225)\n\tat
>
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:193)\n\tat
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:175)\n\tat
> org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:219)\n\tat
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat
> java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
> java.lang.Thread.run(Thread.java:748)\nCaused by:
> java.lang.ClassCastException: java.util.Date cannot be cast to
> java.lang.Number\n\tat
> org.apache.kafka.connect.data.SchemaProjector.projectPrimitive(SchemaProjector.java:164)\n\tat
>
> org.apache.kafka.connect.data.SchemaProjector.projectRequiredSchema(SchemaProjector.java:91)\n\tat
>
> org.apache.kafka.connect.data.SchemaProjector.project(SchemaProjector.java:73)\n\tat
>
> org.apache.kafka.connect.data.SchemaProjector.projectStruct(SchemaProjector.java:110)\n\tat
>
> org.apache.kafka.connect.data.SchemaProjector.projectRequiredSchema(SchemaProjector.java:93)\n\tat
>
> org.apache.kafka.connect.data.SchemaProjector.project(SchemaProjector.java:73)\n\tat
>
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.projectInternal(StorageSchemaCompatibility.java:196)\n\tat
>
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.projectInternal(StorageSchemaCompatibility.java:184)\n\tat
>
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.project(StorageSchemaCompatibility.java:156)\n\tat
>
> io.confluent.connect.hdfs.TopicPartitionWriter.write(TopicPartitionWriter.java:378)\n\tat
> io.confluent.connect.hdfs.DataWriter.write(DataWriter.java:374)\n\tat
> io.confluent.connect.hdfs.HdfsSinkTask.put(HdfsSinkTask.java:109)\n\tat
> org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:564)\n\t...
> 10 more\n","id":0,"worker_id":"localhost:8083"}],"type":"sink"}bash-4.2#
> bash-4.2#
>
> From connect logs:
> ---------------------------
> [2018-10-10 12:31:44,816] ERROR
> WorkerSinkTask\{id=hdfs-sink-connector-10oct-03-0} Task threw an uncaught and
> unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask:177)
> org.apache.kafka.connect.errors.ConnectException: Exiting WorkerSinkTask due
> to unrecoverable exception.
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:586)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:322)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:225)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:193)
> at
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:175)
> at
> org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:219)
> 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.ClassCastException: java.util.Date cannot be cast to
> java.lang.Number
> at
> org.apache.kafka.connect.data.SchemaProjector.projectPrimitive(SchemaProjector.java:164)
> at
> org.apache.kafka.connect.data.SchemaProjector.projectRequiredSchema(SchemaProjector.java:91)
> at
> org.apache.kafka.connect.data.SchemaProjector.project(SchemaProjector.java:73)
> at
> org.apache.kafka.connect.data.SchemaProjector.projectStruct(SchemaProjector.java:110)
> at
> org.apache.kafka.connect.data.SchemaProjector.projectRequiredSchema(SchemaProjector.java:93)
> at
> org.apache.kafka.connect.data.SchemaProjector.project(SchemaProjector.java:73)
> at
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.projectInternal(StorageSchemaCompatibility.java:196)
> at
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.projectInternal(StorageSchemaCompatibility.java:184)
> at
> io.confluent.connect.storage.schema.StorageSchemaCompatibility.project(StorageSchemaCompatibility.java:156)
> at
> io.confluent.connect.hdfs.TopicPartitionWriter.write(TopicPartitionWriter.java:378)
> at io.confluent.connect.hdfs.DataWriter.write(DataWriter.java:374)
> at io.confluent.connect.hdfs.HdfsSinkTask.put(HdfsSinkTask.java:109)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:564)
> ... 10 more
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