[jira] [Commented] (HADOOP-16674) TestDNS.testRDNS can fail with ServiceUnavailableException

["Steve Loughran (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-16674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16960918#comment-16960918 ] 

Steve Loughran commented on HADOOP-16674:
-----------------------------------------

on a jenkins run
{code}
javax.naming.ServiceUnavailableException: DNS server failure [response code 2]; remaining name '31.75.48.10.in-addr.arpa'
	at com.sun.jndi.dns.DnsClient.checkResponseCode(DnsClient.java:654)
	at com.sun.jndi.dns.DnsClient.isMatchResponse(DnsClient.java:574)
	at com.sun.jndi.dns.DnsClient.doUdpQuery(DnsClient.java:423)
	at com.sun.jndi.dns.DnsClient.query(DnsClient.java:208)
	at com.sun.jndi.dns.Resolver.query(Resolver.java:81)
	at com.sun.jndi.dns.DnsContext.c_getAttributes(DnsContext.java:434)
	at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_getAttributes(ComponentDirContext.java:235)
	at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.getAttributes(PartialCompositeDirContext.java:141)
	at com.sun.jndi.toolkit.url.GenericURLDirContext.getAttributes(GenericURLDirContext.java:103)
	at javax.naming.directory.InitialDirContext.getAttributes(InitialDirContext.java:142)
	at org.apache.hadoop.net.DNS.reverseDns(DNS.java:88)
	at org.apache.hadoop.net.TestDNS.testRDNS(TestDNS.java:169)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
{code}

> TestDNS.testRDNS can fail with ServiceUnavailableException
> ----------------------------------------------------------
>
>                 Key: HADOOP-16674
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16674
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common, net
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> TestDNS.testRDNS can fail in some network configurations; it is already setup to catch and swallow these.
> However it can also fail with a ServiceUnavailableException -which is not caught.



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