turboFei commented on a change in pull request #24533: [SPARK-27637] For
nettyBlockTransferService, when exception occurred when fetching data, check
whether relative executor is alive before retry
URL: https://github.com/apache/spark/pull/24533#discussion_r281178215
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/RetryingBlockFetcher.java
##########
@@ -178,7 +202,11 @@ private synchronized boolean shouldRetry(Throwable e) {
boolean isIOException = e instanceof IOException
Review comment:
It's IOException, as follows
```
2019-04-26 12:18:50,291 [26151] - WARN
[shuffle-client-4-1:TransportChannelHandler@78] - Exception in connection from
hostname/ipAddress:port
java.io.IOException: Connection reset by peer
```
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