Profile tool: fix printing of task failed reason

tools/src/main/scala/com/nvidia/spark/rapids/tool/profiling/ProfileOutputWriter.scala

@@ -21,8 +21,6 @@ import org.apache.commons.lang3.StringUtils
 class ProfileOutputWriter(outputDir: String, filePrefix: String, numOutputRows: Int,
     outputCSV: Boolean = false) {
 
-  private val CSVDelimiter = ","
-
   private val textFileWriter = new ToolTextFileWriter(outputDir,
     s"$filePrefix.log", "Profile summary")
 
@@ -64,13 +62,14 @@ class ProfileOutputWriter(outputDir: String, filePrefix: String, numOutputRows:
         val csvWriter = new ToolTextFileWriter(outputDir,
           s"${suffix}.csv", s"$header CSV:")
         try {
-          val headerString = outRows.head.outputHeaders.mkString(CSVDelimiter)
+          val headerString = outRows.head.outputHeaders.mkString(ProfileOutputWriter.CSVDelimiter)
           csvWriter.write(headerString + "\n")
           val rows = outRows.map(_.convertToSeq)
           rows.foreach { row =>
-            val delimiterHandledRow = row.map(ProfileUtils.replaceDelimiter(_, CSVDelimiter))
+            val delimiterHandledRow =
+              row.map(ProfileUtils.replaceDelimiter(_, ProfileOutputWriter.CSVDelimiter))
             val formattedRow = delimiterHandledRow.map(stringIfempty(_))
-            val outStr = formattedRow.mkString(CSVDelimiter)
+            val outStr = formattedRow.mkString(ProfileOutputWriter.CSVDelimiter)
             csvWriter.write(outStr + "\n")
           }
         } finally {
@@ -92,6 +91,7 @@ class ProfileOutputWriter(outputDir: String, filePrefix: String, numOutputRows:
 }
 
 object ProfileOutputWriter {
+  val CSVDelimiter = ","
 
   /**
    * Regular expression matching full width characters.

tools/src/main/scala/org/apache/spark/sql/rapids/tool/profiling/EventsProcessor.scala

@@ -23,6 +23,7 @@ import scala.collection.mutable.ArrayBuffer
 
 import com.nvidia.spark.rapids.tool.profiling._
 
+import org.apache.spark.TaskFailedReason
 import org.apache.spark.internal.Logging
 import org.apache.spark.scheduler._
 import org.apache.spark.sql.execution.ui.{SparkListenerDriverAccumUpdates, SparkListenerSQLAdaptiveExecutionUpdate, SparkListenerSQLAdaptiveSQLMetricUpdates, SparkListenerSQLExecutionEnd, SparkListenerSQLExecutionStart}
@@ -209,12 +210,18 @@ class EventsProcessor(app: ApplicationInfo) extends EventProcessorBase[Applicati
             + res.name + ",value=" + res.value + ",update=" + res.update)
       }
     }
+    val reason = event.reason match {
+      case failed: TaskFailedReason =>
+        failed.toErrorString
+      case _ =>
+        event.reason.toString
+    }
 
     val thisTask = TaskCase(
       event.stageId,
       event.stageAttemptId,
       event.taskType,
-      event.reason.toString,
+      reason,
       event.taskInfo.taskId,
       event.taskInfo.attemptNumber,
       event.taskInfo.launchTime,

tools/src/test/resources/ProfilingExpectations/tasks_failure_eventlog_expectation.csv

@@ -1,4 +1,4 @@
 appIndex,stageId,stageAttemptId,taskId,attempt,failureReason
-1,238,0,8519,0,"ExecutorLostFailure(2,true,Some(Executor Process Lost))"
-1,238,0,8560,1,"FetchFailed(BlockManagerId(1, hostname-08.domain.com, 46008, None),54,8347,9,72,org.apache.spark.shu"
-1,238,0,8574,1,"FetchFailed(BlockManagerId(1, hostname-08.domain.com, 46008, None),54,8339,1,138,org.apache.spark.sh"
+1,238,0,8519,0,ExecutorLostFailure (executor 2 exited caused by one of the running tasks) Reason: Executor Process 
+1,238,0,8560,1,FetchFailed(BlockManagerId(1; hostname-08.domain.com; 46008; None); shuffleId=54; mapIndex=9; mapId=
+1,238,0,8574,1,FetchFailed(BlockManagerId(1; hostname-08.domain.com; 46008; None); shuffleId=54; mapIndex=1; mapId=

tools/src/test/scala/com/nvidia/spark/rapids/tool/profiling/HealthCheckSuite.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, NVIDIA CORPORATION.
+ * Copyright (c) 2021-2022, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,8 +58,14 @@ class HealthCheckSuite extends FunSuite {
     val healthCheck = new HealthCheck(apps)
     for (app <- apps) {
       val failedTasks = healthCheck.getFailedTasks
+      // the end reason gets the delimiter changed when writing to CSV so to compare properly
+      // change it to be the same here
+      val failedWithDelimiter = failedTasks.map { t =>
+        val delimited = ProfileUtils.replaceDelimiter(t.endReason, ProfileOutputWriter.CSVDelimiter)
+        t.copy(endReason = delimited)
+      }
       import sparkSession.implicits._
-      val taskAccums = failedTasks.toDF
+      val taskAccums = failedWithDelimiter.toDF
       val tasksResultExpectation =
         new File(expRoot, "tasks_failure_eventlog_expectation.csv")
       val tasksDfExpect =