Github user jeanlyn commented on a diff in the pull request: https://github.com/apache/spark/pull/7927#discussion_r36182313 --- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala --- @@ -592,8 +592,14 @@ private[spark] class BlockManager( val locations = Random.shuffle(master.getLocations(blockId)) for (loc <- locations) { logDebug(s"Getting remote block $blockId from $loc") - val data = blockTransferService.fetchBlockSync( - loc.host, loc.port, loc.executorId, blockId.toString).nioByteBuffer() + val data = try { + blockTransferService.fetchBlockSync( + loc.host, loc.port, loc.executorId, blockId.toString).nioByteBuffer() + } catch { + case e: Throwable => + logWarning(s"Exception during getting remote block $blockId from $loc", e) --- End diff -- Thanks @srowen and @CodingCat for comments! * If i am understanding correctly,the `doGetRemote` here will return `None` when fetched all the same block is null, and all the method which called the `doGetRemote` will handle the `None` case and throw exception when necessary,so i think it's safe here to catch the exception * `fetchBlockSync` just call `fetchBlocks` to fetch the block,so i think it's the same we catch exception here.
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org