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ayushsaxena pushed a commit to branch branch-3.3
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/branch-3.3 by this push:
new 6ccb1cd HDFS-15250. Setting `dfs.client.use.datanode.hostname` to
true can crash the system because of unhandled UnresolvedAddressException.
Contributed by Ctest.
6ccb1cd is described below
commit 6ccb1cd5f1658ece5be0543eb9ca89caa24bf37e
Author: Ayush Saxena <[email protected]>
AuthorDate: Sun May 10 11:43:04 2020 +0530
HDFS-15250. Setting `dfs.client.use.datanode.hostname` to true can crash
the system because of unhandled UnresolvedAddressException. Contributed by
Ctest.
---
.../java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java
index 2109e6e..a3b611c 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java
+++
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java
@@ -27,6 +27,7 @@ import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.net.InetSocketAddress;
+import java.nio.channels.UnresolvedAddressException;
import java.util.List;
import com.google.common.io.ByteArrayDataOutput;
@@ -823,7 +824,7 @@ public class BlockReaderFactory implements
ShortCircuitReplicaCreator {
datanode);
LOG.trace("nextTcpPeer: created newConnectedPeer {}", peer);
return new BlockReaderPeer(peer, false);
- } catch (IOException e) {
+ } catch (IOException | UnresolvedAddressException e) {
LOG.trace("nextTcpPeer: failed to create newConnectedPeer connected to"
+ "{}", datanode);
throw e;
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