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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/08/04 03:12:11 UTC
[jira] [Commented] (SPARK-2583) ConnectionManager cannot
distinguish whether error occurred or not
[ https://issues.apache.org/jira/browse/SPARK-2583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14084195#comment-14084195 ]
Apache Spark commented on SPARK-2583:
-------------------------------------
User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/1758
> ConnectionManager cannot distinguish whether error occurred or not
> ------------------------------------------------------------------
>
> Key: SPARK-2583
> URL: https://issues.apache.org/jira/browse/SPARK-2583
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Critical
>
> ConnectionManager#handleMessage sent empty messages to another peer if some error occurred or not in onReceiveCalback.
> {code}
> val ackMessage = if (onReceiveCallback != null) {
> logDebug("Calling back")
> onReceiveCallback(bufferMessage, connectionManagerId)
> } else {
> logDebug("Not calling back as callback is null")
> None
> }
> if (ackMessage.isDefined) {
> if (!ackMessage.get.isInstanceOf[BufferMessage]) {
> logDebug("Response to " + bufferMessage + " is not a buffer message, it is of type "
> + ackMessage.get.getClass)
> } else if (!ackMessage.get.asInstanceOf[BufferMessage].hasAckId) {
> logDebug("Response to " + bufferMessage + " does not have ack id set")
> ackMessage.get.asInstanceOf[BufferMessage].ackId = bufferMessage.id
> }
> }
> // We have no way to tell peer whether error occurred or not
> sendMessage(connectionManagerId, ackMessage.getOrElse {
> Message.createBufferMessage(bufferMessage.id)
> })
> }
> {code}
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