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Posted to hdfs-dev@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2018/07/16 20:21:00 UTC
[jira] [Resolved] (HDFS-13690) Improve error message when creating
encryption zone while KMS is unreachable
[ https://issues.apache.org/jira/browse/HDFS-13690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Chen resolved HDFS-13690.
------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.2.0
Committed to trunk. Thanks for the contribution [~knanasi] !
> Improve error message when creating encryption zone while KMS is unreachable
> ----------------------------------------------------------------------------
>
> Key: HDFS-13690
> URL: https://issues.apache.org/jira/browse/HDFS-13690
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: encryption, hdfs, kms
> Reporter: Kitti Nanasi
> Assignee: Kitti Nanasi
> Priority: Minor
> Fix For: 3.2.0
>
> Attachments: HDFS-13690.001.patch, HDFS-13690.002.patch, HDFS-13690.003.patch, HDFS-13690.004.patch
>
>
> In failure testing, we stopped the KMS and then tried to run some encryption related commands.
> {{hdfs crypto -createZone}} will complain with a short "RemoteException: Connection refused." This message could be improved to explain that we cannot connect to the KMSClientProvier.
> For example, {{hadoop key list}} while KMS is down will error:
> {code}
> -bash-4.1$ hadoop key list
> Cannot list keys for KeyProvider: KMSClientProvider[http://hdfs-cdh5-vanilla-1.vpc.cloudera.com:16000/kms/v1/]: Connection refusedjava.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:579)
> at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996)
> at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932)
> at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850)
> at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:186)
> at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.authenticate(DelegationTokenAuthenticator.java:125)
> at org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(AuthenticatedURL.java:216)
> at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL.openConnection(DelegationTokenAuthenticatedURL.java:312)
> at org.apache.hadoop.crypto.key.kms.KMSClientProvider$1.run(KMSClientProvider.java:397)
> at org.apache.hadoop.crypto.key.kms.KMSClientProvider$1.run(KMSClientProvider.java:392)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
> at org.apache.hadoop.crypto.key.kms.KMSClientProvider.createConnection(KMSClientProvider.java:392)
> at org.apache.hadoop.crypto.key.kms.KMSClientProvider.getKeys(KMSClientProvider.java:479)
> at org.apache.hadoop.crypto.key.KeyShell$ListCommand.execute(KeyShell.java:286)
> at org.apache.hadoop.crypto.key.KeyShell.run(KeyShell.java:79)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.crypto.key.KeyShell.main(KeyShell.java:513)
> {code}
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