[jira] [Created] (SPARK-30599) SparkFunSuite.LogAppender throws java.lang.IllegalStateException

["Maxim Gekk (Jira)" <ji...@apache.org>]

Maxim Gekk created SPARK-30599:
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             Summary: SparkFunSuite.LogAppender throws java.lang.IllegalStateException
                 Key: SPARK-30599
                 URL: https://issues.apache.org/jira/browse/SPARK-30599
             Project: Spark
          Issue Type: Test
          Components: Spark Core, SQL, Tests
    Affects Versions: 3.0.0
            Reporter: Maxim Gekk
         Attachments: success_trace.txt

The LogAppender has a limit for the number of logged event. By default, it is 100. All tests that use LogAppender finish successfully with this limit but sometime the test fail with the exception like:
{code:java}
java.lang.IllegalStateException: Number of events reached the limit of 100 while logging CSV header matches to schema w/ enforceSchema.
	at org.apache.spark.SparkFunSuite$LogAppender.append(SparkFunSuite.scala:200)
	at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
	at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
	at org.apache.log4j.Category.callAppenders(Category.java:206)
	at org.apache.log4j.Category.forcedLog(Category.java:391)
	at org.apache.log4j.Category.log(Category.java:856) 
{code}
For example, the CSV test "SPARK-23786: warning should be printed if CSV header doesn't conform to schema" uses 2 log appenders.



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