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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[KafkaPubSubConnector] : Getting UNAVAILABLE: HTTP/2 error code: NO_ERROR and goes into retry loop forever","articleBody":"I am using https://github.com/GoogleCloudPlatform/pubsub/tree/master/kafka-connector for publishing messages to pubsub from kafka.\r\nRunning into the below issue and the publishing enters an infinite loop of retrying same batch of messages  and not recovering. \r\n\r\n`java.lang.RuntimeException: java.util.concurrent.ExecutionException: io.grpc.StatusRuntimeException: UNAVAILABLE: HTTP/2 error code: NO_ERROR`\r\n\t`Received Goaway `\r\n       `session_timed_out `\r\n\t\t`at com.google.pubsub.kafka.sink.CloudPubSubSinkTask.flush(CloudPubSubSinkTask.java:293)\r\n\t\tat org.apache.kafka.connect.runtime.WorkerSinkTask.commitOffsets(WorkerSinkTask.java:192)\r\n\t\tat org.apache.kafka.connect.runtime.WorkerSinkTaskThread.iteration(WorkerSinkTaskThread.java:75)\r\n\t\tat org.apache.kafka.connect.runtime.WorkerSinkTaskThread.execute(WorkerSinkTaskThread.java:58)\r\n\t\tat org.apache.kafka.connect.util.ShutdownableThread.run(ShutdownableThread.java:82)`\r\n","author":{"url":"https://github.com/mglittleworld","@type":"Person","name":"mglittleworld"},"datePublished":"2018-03-21T23:41:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/3071/google-cloud-java/issues/3071"}