Help Center/ MapReduce Service/ Component Operation Guide (Normal)/ Using Spark2x (for MRS 3.x or Later)/ Common Issues About Spark2x/ Spark Core
Updated on 2025-10-23 GMT+08:00
Spark Core
- How Do I View Aggregated Spark Application Logs?
- Why Is the Return Code of Driver Inconsistent with Application State Displayed on ResourceManager WebUI?
- Why Cannot Exit the Driver Process?
- Why Does FetchFailedException Occur When the Network Connection Is Timed out
- How to Configure Event Queue Size If Event Queue Overflows?
- What Can I Do If the getApplicationReport Exception Is Recorded in Logs During Spark Application Execution and the Application Does Not Exit for a Long Time?
- What Can I Do If "Connection to ip:port has been quiet for xxx ms while there are outstanding requests" Is Reported When Spark Executes an Application and the Application Ends?
- Why Do Executors Fail to Be Removed After the NodeManager Is Shut Down?
- What Can I Do If the Message "Password cannot be null if SASL is enabled" Is Displayed?
- "Failed to CREATE_FILE" Is Displayed When Data Is Inserted into the Dynamic Partitioned Table Again
- Why Tasks Fail When Hash Shuffle Is Used?
- What Can I Do If the Error Message "DNS query failed" Is Displayed When I Access the Aggregated Logs Page of Spark Applications?
- What Can I Do If Shuffle Fetch Fails Due to the "Timeout Waiting for Task" Exception?
- Why Does the Stage Retry due to the Crash of the Executor?
- Why Do the Executors Fail to Register Shuffle Services During the Shuffle of a Large Amount of Data?
- NodeManager OOM Occurs During Spark Application Execution
Parent topic: Common Issues About Spark2x
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