[jira] [Created] (HDFS-11700) testBackupNodePorts doesn't pass on Windows machine

["Anbang Hu (JIRA)" <ji...@apache.org>]

Anbang Hu created HDFS-11700:
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             Summary: testBackupNodePorts doesn't pass on Windows machine
                 Key: HDFS-11700
                 URL: https://issues.apache.org/jira/browse/HDFS-11700
             Project: Hadoop HDFS
          Issue Type: Bug
         Environment: Windows 10
            Reporter: Anbang Hu


In TestHDFSServerPorts.testBackupNodePorts, there are two attempts at starting backup node.

*Attempt 1*:
1) It binds namenode backup address with 0:
{quote}
backup_config.set(
            DFSConfigKeys.DFS_NAMENODE_BACKUP_ADDRESS_KEY, THIS_HOST);
{quote}
2) It sets namenode backup address with an available port X.
3) It fails rightfully due to using the same http address as active namenode.

*Attempt 2*:
1) It tries to reuse port X as namenode backup address.
2) It fails to bind to X because Windows does not release port X properly after *Attempt 1* fails.



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