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From "Akshat Bordia (Jira)" <j...@apache.org>
Subject [jira] [Created] (SPARK-31621) Spark Master UI Fails to load if application is waiting for workers to launch driver
Date Fri, 01 May 2020 11:04:00 GMT
Akshat Bordia created SPARK-31621:
-------------------------------------

             Summary: Spark Master UI Fails to load if application is waiting for workers
to launch driver
                 Key: SPARK-31621
                 URL: https://issues.apache.org/jira/browse/SPARK-31621
             Project: Spark
          Issue Type: Bug
          Components: Spark Core, Web UI
    Affects Versions: 3.0.0
            Reporter: Akshat Bordia


*Steps to Reproduce:*
 # Run Spark Master and 1 Worker (Using local machine).
 # Submit an (long-running) application using spark-submit command: ./bin/spark-submit --master
spark://127.0.0.1:7077  --deploy-mode cluster --class org.apache.spark.examples.SparkPi examples/target/original-spark-examples_2.12-3.1.0-SNAPSHOT.jar
 # Load Spark Master UI (http://localhost:8080/) which should launch successfully.
 # Submit one more application using the spark-submit command.
 # Load Spark Master UI again.

*Expected Behavior:* Spark Master UI should launch successfully.

*Actual Behavior*: Spark Master UI launch fails with HTTP Error 500 as shown in the below
screenshot.


!image-2020-05-01-16-33-35-922.png!



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