Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14659#discussion_r78767924
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2418,6 +2418,21 @@ private[spark] object Utils extends Logging {
sparkJars.map(_.split(",")).map(_.filter(_.nonEmpty)).toSeq.flatten
}
}
+
+ def setCallerContext(context: String): Boolean = {
+ var succeed = false
+ try {
+ val Builder =
Utils.classForName("org.apache.hadoop.ipc.CallerContext$Builder")
+ val builderInst =
Builder.getConstructor(classOf[String]).newInstance(context)
+ val ret = Builder.getMethod("build").invoke(builderInst)
+ val callerContext =
Utils.classForName("org.apache.hadoop.ipc.CallerContext")
+ callerContext.getMethod("setCurrent", callerContext).invoke(null,
ret)
+ succeed = true
+ } catch {
+ case NonFatal(e) => logDebug(s"$e", e)
--- End diff --
why are you printing exception twice here. make the actual log message
something like failed to set CallerContext and leave the Exception to print
after ,e
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