Details
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Bug
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Resolution: Done
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Major
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1.9.0.Final
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None
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False
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None
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False
Description
When the connector starts and reports an error during start-up such as "Unable to register MBean" then during the OracleConnectorTask#doStop method, an unexpected NullPointerException can be thrown and shouldn't:
[2565-04-09 18:59:42,578] WARN Could not stop task (org.apache.kafka.connect.runtime.WorkerSourceTask:171)
java.lang.NullPointerException
at io.debezium.connector.oracle.OracleConnectorTask.doStop(OracleConnectorTask.java:140)
at io.debezium.connector.common.BaseSourceTask.stop(BaseSourceTask.java:252)
at io.debezium.connector.common.BaseSourceTask.stop(BaseSourceTask.java:222)
at org.apache.kafka.connect.runtime.WorkerSourceTask.close(WorkerSourceTask.java:169)
at org.apache.kafka.connect.runtime.WorkerTask.doClose(WorkerTask.java:161)
at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:187)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:231)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)