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HADOOP-17840: Backport HADOOP-17837 to branch-3.2 (#3275) 

Reviewed-by: Brahma Reddy Battula <brahma@apache.org>
This commit is contained in:
Bryan Beaudreault 2021-08-07 00:19:46 -04:00 committed by GitHub
parent 78c5fdd90d
commit dab829063d
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2 changed files with 3 additions and 1 deletions
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2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java
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@ -537,7 +537,7 @@ public class NetUtils {
} catch (SocketTimeoutException ste) {
throw new ConnectTimeoutException(ste.getMessage());
} catch (UnresolvedAddressException uae) {
throw new UnknownHostException(uae.getMessage());
throw new UnknownHostException(endpoint.toString());
}
// There is a very rare case allowed by the TCP specification, such that

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetUtils.java
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@ -43,6 +43,7 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.security.KerberosAuthException;
import org.apache.hadoop.security.NetUtilsTestResolver;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Assume;
import org.junit.Before;
import org.junit.BeforeClass;
@ -111,6 +112,7 @@ public class TestNetUtils {
fail("Should not have connected");
} catch (UnknownHostException uhe) {
LOG.info("Got exception: ", uhe);
GenericTestUtils.assertExceptionContains("invalid-test-host:0", uhe);
}
}