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HADOOP-16674. Fix when TestDNS.testRDNS can fail with ServiceUnavailableException (#4802). Contributed by Ashutosh Gupta.

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Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>
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Ashutosh Gupta 2022-09-20 18:39:59 +01:00 committed by GitHub
parent fd687bb4c4
commit 2950c5405b
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1 changed files with 4 additions and 1 deletions
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hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestDNS.java
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@ -25,10 +25,12 @@
import javax.naming.CommunicationException; import javax.naming.CommunicationException;
import javax.naming.NameNotFoundException; import javax.naming.NameNotFoundException;
import javax.naming.ServiceUnavailableException;
import org.apache.hadoop.util.Time; import org.apache.hadoop.util.Time;
import org.assertj.core.api.Assertions; import org.assertj.core.api.Assertions;
import org.junit.Assume;
import org.junit.Test; import org.junit.Test;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
@ -167,7 +169,7 @@ public void testRDNS() throws Exception {
try { try {
String s = DNS.reverseDns(localhost, null); String s = DNS.reverseDns(localhost, null);
LOG.info("Local reverse DNS hostname is " + s); LOG.info("Local reverse DNS hostname is " + s);
} catch (NameNotFoundException | CommunicationException e) { } catch (NameNotFoundException | CommunicationException | ServiceUnavailableException e) {
if (!localhost.isLinkLocalAddress() || localhost.isLoopbackAddress()) { if (!localhost.isLinkLocalAddress() || localhost.isLoopbackAddress()) {
//these addresses probably won't work with rDNS anyway, unless someone //these addresses probably won't work with rDNS anyway, unless someone
//has unusual entries in their DNS server mapping 1.0.0.127 to localhost //has unusual entries in their DNS server mapping 1.0.0.127 to localhost
@ -176,6 +178,7 @@ public void testRDNS() throws Exception {
+ " Loopback=" + localhost.isLoopbackAddress() + " Loopback=" + localhost.isLoopbackAddress()
+ " Linklocal=" + localhost.isLinkLocalAddress()); + " Linklocal=" + localhost.isLinkLocalAddress());
} }
Assume.assumeNoException(e);
} }
} }