Я следую этому руководству: https://docs.confluent.io/4.0.0/installation/docker/docs/tutorials/connect-avro-jdbc.html
и поместите здесь свой код: https://github.com/lexsteens/kafka-connect-tutorial < / а>
У меня проблема при регистрации коннектора JDBC: он регистрируется, но при просмотре его статуса в http://localhost:28083/connector/quickstart-jdbc-source/status, я получаю статус FAILED и следующую трассировку стека:
org.apache.kafka.connect.errors.DataException: quickstart-jdbc-test
at io.confluent.connect.avro.AvroConverter.fromConnectData(AvroConverter.java:77)
at org.apache.kafka.connect.runtime.WorkerSourceTask.sendRecords(WorkerSourceTask.java:220)
at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:187)
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.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.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.kafka.common.errors.SerializationException: Error serializing Avro message
Caused by: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
at sun.security.ssl.InputRecord.handleUnknownRecord(InputRecord.java:710)
at sun.security.ssl.InputRecord.read(InputRecord.java:527)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)
at io.confluent.kafka.schemaregistry.client.rest.RestService.sendHttpRequest(RestService.java:161)
at io.confluent.kafka.schemaregistry.client.rest.RestService.httpRequest(RestService.java:218)
at io.confluent.kafka.schemaregistry.client.rest.RestService.registerSchema(RestService.java:307)
at io.confluent.kafka.schemaregistry.client.rest.RestService.registerSchema(RestService.java:299)
at io.confluent.kafka.schemaregistry.client.rest.RestService.registerSchema(RestService.java:294)
at io.confluent.kafka.schemaregistry.client.CachedSchemaRegistryClient.registerAndGetId(CachedSchemaRegistryClient.java:61)
at io.confluent.kafka.schemaregistry.client.CachedSchemaRegistryClient.register(CachedSchemaRegistryClient.java:100)
at io.confluent.kafka.serializers.AbstractKafkaAvroSerializer.serializeImpl(AbstractKafkaAvroSerializer.java:79)
at io.confluent.connect.avro.AvroConverter.serialize(AvroConverter.java:110)
at io.confluent.connect.avro.AvroConverter.fromConnectData(AvroConverter.java:75)
at org.apache.kafka.connect.runtime.WorkerSourceTask.sendRecords(WorkerSourceTask.java:220)
at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:187)
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.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.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Однако я не запрашивал шифрование SSL (см. Мой docker-compose ...).
Я попытался найти эту проблему в Google или найти ее здесь, но безуспешно.