dongjoon-hyun commented on a change in pull request #35075:
URL: https://github.com/apache/spark/pull/35075#discussion_r776925738
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File path: core/src/main/scala/org/apache/spark/internal/Logging.scala
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@@ -237,6 +231,19 @@ private[spark] object Logging {
"org.apache.logging.slf4j.Log4jLoggerFactory".equals(binderClass)
}
+ /**
+ * Return true if log4j2 is initialized by default configuration which has
one
+ * appender with error level. See
`org.apache.logging.log4j.core.config.DefaultConfiguration`.
+ */
+ private[spark] def islog4j2DefaultConfigured(): Boolean = {
+ val rootLogger =
LogManager.getRootLogger.asInstanceOf[org.apache.logging.log4j.core.Logger]
Review comment:
Can we use `import org.apache.logging.log4j.core.Logger` explicitly?
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