summaryzb commented on code in PR #50489:
URL: https://github.com/apache/spark/pull/50489#discussion_r2029780546
##########
core/src/main/scala/org/apache/spark/serializer/SerializationDebugger.scala:
##########
@@ -111,7 +112,12 @@ private[spark] object SerializationDebugger extends
Logging {
visitExternalizable(e, elem :: stack)
case s: Object with java.io.Serializable =>
- val elem = s"object (class ${s.getClass.getName}, $s)"
+ val str = try {
+ String.valueOf(s)
+ } catch {
+ case _: SparkRuntimeException => "cannot print object"
+ }
+ val elem = s"object (class ${s.getClass.getName}, $str)"
Review Comment:
Add test `SPARK-51691 improveException swallow underlying exception` to
cover this scenario
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