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https://issues.apache.org/jira/browse/HDFS-9213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15370010#comment-15370010
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Vijay Srinivasaraghavan commented on HDFS-9213:
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I am seeing same error while trying to secure MiniDFSCluster using MiniKDC
setup. DataNode is not starting and failing with the error message
java.lang.RuntimeException: Unable to bind on specified streaming port in
secure context. Needed 0, got 39319
at
org.apache.hadoop.hdfs.server.datanode.SecureDataNodeStarter.getSecureResources(SecureDataNodeStarter.java:107)
at
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1213)
I am setting below configurations to enable the secure cluster deployment. Are
you also seeing similar issue while starting miniDFSCluster with security
enabled?
conf.set(DFS_NAMENODE_USER_NAME_KEY, testPrincipal);
conf.set(DFS_NAMENODE_KEYTAB_FILE_KEY, testKeytab);
conf.set(DFS_DATANODE_USER_NAME_KEY, testPrincipal);
conf.set(DFS_DATANODE_KEYTAB_FILE_KEY, testKeytab);
conf.set(DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY, testPrincipal);
conf.setBoolean(DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true);
conf.set("dfs.data.transfer.protection", dataTransferProtection);
conf.set(DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTP_ONLY.name());
conf.set(DFS_ENCRYPT_DATA_TRANSFER_KEY,"false");
> Minicluster with Kerberos generates some stacks when checking the ports
> -----------------------------------------------------------------------
>
> Key: HDFS-9213
> URL: https://issues.apache.org/jira/browse/HDFS-9213
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: security
> Affects Versions: 3.0.0-alpha1
> Reporter: Nicolas Liochon
> Assignee: Nicolas Liochon
> Priority: Minor
> Fix For: 3.0.0-alpha1
>
> Attachments: hdfs-9213.v1.patch, hdfs-9213.v1.patch
>
>
> When using the minicluster with kerberos the various checks in
> SecureDataNodeStarter fail because the ports are not fixed.
> Stacks like this one:
> {quote}
> java.lang.RuntimeException: Unable to bind on specified streaming port in
> secure context. Needed 0, got 49670
> at
> org.apache.hadoop.hdfs.server.datanode.SecureDataNodeStarter.getSecureResources(SecureDataNodeStarter.java:108)
> {quote}
> There is already a setting to desactivate this type of check for testing, it
> could be used here as well....
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