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[SPARK-11709] include creation site info in SparkContext.assertNotStopped error message #9675

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[SPARK-11709] include creation site info in SparkContext.assertNotStopped error message #9675

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18 changes: 17 additions & 1 deletion core/src/main/scala/org/apache/spark/SparkContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,23 @@ class SparkContext(config: SparkConf) extends Logging with ExecutorAllocationCli

private def assertNotStopped(): Unit = {
if (stopped.get()) {
throw new IllegalStateException("Cannot call methods on a stopped SparkContext")
val activeContext = SparkContext.activeContext.get()
val activeCreationSite =
if (activeContext == null) {
"(No active SparkContext.)"
} else {
activeContext.creationSite.longForm
}
throw new IllegalStateException(
s"""Cannot call methods on a stopped SparkContext.
|This stopped SparkContext was created at:
|
|${creationSite.longForm}
|
|The currently active SparkContext was created at:
|
|$activeCreationSite
""".stripMargin)
}
}

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