Github user lins05 commented on a diff in the pull request: https://github.com/apache/spark/pull/15377#discussion_r83206341 --- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala --- @@ -2479,20 +2483,35 @@ private[spark] class CallerContext( * [[org.apache.hadoop.ipc.CallerContext]], which was added in hadoop 2.8. */ def setCurrentContext(): Boolean = { - var succeed = false - try { - // scalastyle:off classforname - val callerContext = Class.forName("org.apache.hadoop.ipc.CallerContext") - val Builder = Class.forName("org.apache.hadoop.ipc.CallerContext$Builder") - // scalastyle:on classforname - val builderInst = Builder.getConstructor(classOf[String]).newInstance(context) - val hdfsContext = Builder.getMethod("build").invoke(builderInst) - callerContext.getMethod("setCurrent", callerContext).invoke(null, hdfsContext) - succeed = true - } catch { - case NonFatal(e) => logInfo("Fail to set Spark caller context", e) + if (!CallerContext.callerContextSupported) { + false + } else { + if (!SparkHadoopUtil.get.conf.getBoolean("hadoop.caller.context.enabled", false)) { + logInfo("Hadoop caller context is not enabled") + CallerContext.callerContextSupported = false + false + } else { + try { + // scalastyle:off classforname --- End diff -- Good catch, done.
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