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https://issues.apache.org/jira/browse/YARN-4318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027332#comment-15027332
]
Kuhu Shukla commented on YARN-4318:
-----------------------------------
Although locally the tests pass, I see that the failure is coming from server
not being able resolve the server hostname/address. I checked a few more
pre-commits with this issue and somehow instead of 'localhost/127.0.0.1' the
hostnames are 48 bit hex values .
{code}
public Connection(ConnectionId remoteId, int serviceClass) throws IOException {
this.remoteId = remoteId;
this.server = remoteId.getAddress();
if (server.isUnresolved()) {
throw NetUtils.wrapException(server.getHostName(),
server.getPort(),
null,
0,
new UnknownHostException());
}
{code}
{code}
testUnauthorizedAccess[1](org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization)
Time elapsed: 2.784 sec <<< ERROR!
java.net.UnknownHostException: Invalid host name: local host is: (unknown);
destination host is: "52b8ea35fca2":8030; java.net.UnknownHostException; For
more details see: http://wiki.apache.org/hadoop/UnknownHost
at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:413)
{code}
These are not constant with respect to the machines that ran the precommit,
that is, H5 host had two such runs with different 48 bit hex values.
The {{serviceaddr}} is using default config value, which means instead of an
IP, the 0.0.0.0 in the default-config is picking a hex value from the
environment of the machine/VM.
Could this be related to our latest Docker/Yetus migration? Asking
[~ste...@apache.org] if he has any inputs on this. Appreciate it.
> Test failure: TestAMAuthorization
> ---------------------------------
>
> Key: YARN-4318
> URL: https://issues.apache.org/jira/browse/YARN-4318
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Tsuyoshi Ozawa
> Assignee: Kuhu Shukla
>
> {quote}
> Tests run: 4, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 14.891 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization
> testUnauthorizedAccess[0](org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization)
> Time elapsed: 3.208 sec <<< ERROR!
> java.net.UnknownHostException: Invalid host name: local host is: (unknown);
> destination host is: "b5a5dd9ec835":8030; java.net.UnknownHostException; For
> more details see: http://wiki.apache.org/hadoop/UnknownHost
> at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:403)
> at org.apache.hadoop.ipc.Client.getConnection(Client.java:1512)
> at org.apache.hadoop.ipc.Client.call(Client.java:1439)
> at org.apache.hadoop.ipc.Client.call(Client.java:1400)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy15.registerApplicationMaster(Unknown Source)
> at
> org.apache.hadoop.yarn.api.impl.pb.client.ApplicationMasterProtocolPBClientImpl.registerApplicationMaster(ApplicationMasterProtocolPBClientImpl.java:106)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization.testUnauthorizedAccess(TestAMAuthorization.java:273)
> {quote}
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