Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/20852#discussion_r175524288
--- Diff: mllib/src/test/scala/org/apache/spark/ml/util/MLTest.scala ---
@@ -119,9 +119,15 @@ trait MLTest extends StreamTest with TempDirectory {
self: Suite =>
expectedMessagePart : String,
firstResultCol: String) {
+ def hasExpectedMessageDirectly(exception: Throwable): Boolean =
+ exception.getMessage.contains(expectedMessagePart)
+
def hasExpectedMessage(exception: Throwable): Boolean =
- exception.getMessage.contains(expectedMessagePart) ||
- (exception.getCause != null &&
exception.getCause.getMessage.contains(expectedMessagePart))
+ hasExpectedMessageDirectly(exception) || (
+ exception.getCause != null && (
+ hasExpectedMessageDirectly(exception.getCause) || (
+ exception.getCause.getCause != null &&
+ hasExpectedMessageDirectly(exception.getCause.getCause))))
--- End diff --
I don't think we need to loop further. If the real message is buried this
deep, that could be considered a problem in and of itself.
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