Help Center/ MapReduce Service/ FAQs/ Job Management/ What Should I Do If Error Message "java.io.IOException: Connection reset by peer" Is Displayed During the Execution of a Spark Job?

Updated on 2025-10-23 GMT+08:00

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What Should I Do If Error Message "java.io.IOException: Connection reset by peer" Is Displayed During the Execution of a Spark Job?

Question:

The execution of a Spark job cannot finish and error message "java.io.IOException: Connection reset by peer" is displayed.

Answer:

Add the executor.memoryOverhead parameter to the job submission parameters.

Parent topic: Job Management

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