:original_name: mrs_01_2003.html

.. _mrs_01_2003:

Spark Core
==========

-  :ref:`How Do I View Aggregated Spark Application Logs? <mrs_01_2004>`
-  :ref:`Why Is the Return Code of Driver Inconsistent with Application State Displayed on ResourceManager WebUI? <mrs_01_2005>`
-  :ref:`Why Cannot Exit the Driver Process? <mrs_01_2006>`
-  :ref:`Why Does FetchFailedException Occur When the Network Connection Is Timed out <mrs_01_2007>`
-  :ref:`How to Configure Event Queue Size If Event Queue Overflows? <mrs_01_2008>`
-  :ref:`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? <mrs_01_2009>`
-  :ref:`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? <mrs_01_2010>`
-  :ref:`Why Do Executors Fail to be Removed After the NodeManeger Is Shut Down? <mrs_01_2011>`
-  :ref:`What Can I Do If the Message "Password cannot be null if SASL is enabled" Is Displayed? <mrs_01_2012>`
-  :ref:`What Should I Do If the Message "Failed to CREATE_FILE" Is Displayed in the Restarted Tasks When Data Is Inserted Into the Dynamic Partition Table? <mrs_01_2013>`
-  :ref:`Why Tasks Fail When Hash Shuffle Is Used? <mrs_01_2014>`
-  :ref:`What Can I Do If the Error Message "DNS query failed" Is Displayed When I Access the Aggregated Logs Page of Spark Applications? <mrs_01_2015>`
-  :ref:`What Can I Do If Shuffle Fetch Fails Due to the "Timeout Waiting for Task" Exception? <mrs_01_2016>`
-  :ref:`Why Does the Stage Retry due to the Crash of the Executor? <mrs_01_2017>`
-  :ref:`Why Do the Executors Fail to Register Shuffle Services During the Shuffle of a Large Amount of Data? <mrs_01_2018>`
-  :ref:`Why Does the Out of Memory Error Occur in NodeManager During the Execution of Spark Applications <mrs_01_2019>`
-  :ref:`Why Does the Realm Information Fail to Be Obtained When SparkBench is Run on HiBench for the Cluster in Security Mode? <mrs_01_2021>`

.. toctree::
   :maxdepth: 1
   :hidden: 

   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_ipport_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_nodemaneger_is_shut_down
   what_can_i_do_if_the_message_password_cannot_be_null_if_sasl_is_enabled_is_displayed
   what_should_i_do_if_the_message_failed_to_create_file_is_displayed_in_the_restarted_tasks_when_data_is_inserted_into_the_dynamic_partition_table
   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
   why_does_the_out_of_memory_error_occur_in_nodemanager_during_the_execution_of_spark_applications
   why_does_the_realm_information_fail_to_be_obtained_when_sparkbench_is_run_on_hibench_for_the_cluster_in_security_mode
