我有一个工作 s3 接收器连接器，直到源连接器发送一个 NULL 值；s3 连接器崩溃。当我从 MS SQL db 中删除一条记录时出现问题。源连接器将删除信息发送到 s3 连接器并且 s3 连接器崩溃。我删除并重新创建了一个不同名称的 s3 连接器，没有任何改变。
org.apache.kafka.connect.errors.ConnectException: Null valued records are not writeable with current behavior.on.null.values 'settings.
at io.confluent.connect.s3.format.avro.AvroRecordWriterProvider$1.write(AvroRecordWriterProvider.java:91)
at io.confluent.connect.s3.TopicPartitionWriter.writeRecord(TopicPartitionWriter.java:502)
at io.confluent.connect.s3.TopicPartitionWriter.checkRotationOrAppend(TopicPartitionWriter.java:275)
at io.confluent.connect.s3.TopicPartitionWriter.executeState(TopicPartitionWriter.java:220)
at io.confluent.connect.s3.TopicPartitionWriter.write(TopicPartitionWriter.java:189)
at io.confluent.connect.s3.S3SinkTask.put(S3SinkTask.java:190)
at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:546)
at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:326)
at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:228)
at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:196)
at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:184)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:234)
at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2020-05-24 10:10:50,577 WARN WorkerSinkTask{id=minio-connector1-0} Ignoring invalid task provided offset filesql1.dbo.Files-0/OffsetAndMetadata{offset=16, leaderEpoch=null, metadata=''} -- not yet consumed, taskOffset=16 currentOffset=0 (org.apache.kafka.connect.runtime.WorkerSinkTask) …Kafka elasticsearch 连接器“confluenceinc-kafka-connect-elasticsearch-5.5.0”无法在本地工作。
"java.lang.NoClassDefFoundError: com/google/common/collect/ImmutableSet\n\tat io.searchbox.client.AbstractJestClient.<init>(AbstractJestClient.java:38)\n\tat io.searchbox.client.http.JestHttpClient.<init>(JestHttpClient.java:43)\n\tat io.searchbox.client.JestClientFactory.getObject(JestClientFactory.java:51)\n\tat io.confluent.connect.elasticsearch.jest.JestElasticsearchClient.<init>(JestElasticsearchClient.java:149)\n\tat io.confluent.connect.elasticsearch.jest.JestElasticsearchClient.<init>(JestElasticsearchClient.java:141)\n\tat io.confluent.connect.elasticsearch.ElasticsearchSinkTask.start(ElasticsearchSinkTask.java:122)\n\tat io.confluent.connect.elasticsearch.ElasticsearchSinkTask.start(ElasticsearchSinkTask.java:51)\n\tat org.apache.kafka.connect.runtime.WorkerSinkTask.initializeAndStart(WorkerSinkTask.java:305)\n\tat org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:193)\n\tat org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:184)\n\tat org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:234)\n\tat java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:624)\n\tat java.lang.Thread.run(Thread.java:748)\n"
我还在同一路径中使用 mssql 连接器和 s3 连接器插件；它们可以工作，但 elasticsearch 插件给出 noclassfound 错误。这是我在工作人员中的文件夹结构：
[kafka@mssql-minio-connect-cluster-connect-d9859784f-ffj8r plugins]$ ls
confluentinc-kafka-connect-elasticsearch-5.5.0 confluentinc-kafka-connect-s3-5.5.0 debezium-connector-sqlserver kafka-connect-shell-sink-5.1.0
[kafka@mssql-minio-connect-cluster-connect-d9859784f-ffj8r plugins]$ ls -l
total 16
drwxrwxr-x 2 root root 4096 May 25 22:15 confluentinc-kafka-connect-elasticsearch-5.5.0
drwxrwxr-x 5 root root 4096 May 15 02:26 confluentinc-kafka-connect-s3-5.5.0
drwxrwxr-x 2 root root 4096 May 15 02:26 debezium-connector-sqlserver
drwxrwxr-x 4 root root 4096 May 15 02:26 kafka-connect-shell-sink-5.1.0
[kafka@mssql-minio-connect-cluster-connect-d9859784f-ffj8r …