[jira] [Commented] (HADOOP-12897) KerberosAuthenticator.authenticate to include URL on IO failures

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

    [ https://issues.apache.org/jira/browse/HADOOP-12897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15183099#comment-15183099 ] 

Steve Loughran commented on HADOOP-12897:
-----------------------------------------

Stack
{code}
   java.net.SocketTimeoutException: Read timed out
      at java.net.SocketInputStream.socketRead0(Native Method)
      at java.net.SocketInputStream.read(SocketInputStream.java:152)
      at java.net.SocketInputStream.read(SocketInputStream.java:122)
      at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
      at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
      at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
      at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:687)
      at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:633)
      at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1324)
      at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468)
      at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:191)
      at org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(AuthenticatedURL.java:215)
      at org.apache.spark.deploy.history.yarn.rest.SpnegoUrlConnector$$anonfun$1.apply(SpnegoUrlConnector.scala:127)
      at org.apache.spark.deploy.history.yarn.rest.SpnegoUrlConnector$$anonfun$1.apply(SpnegoUrlConnector.scala:124)
      at org.apache.spark.deploy.history.yarn.rest.PrivilegedFunction.run(PrivilegedFunction.scala:31)
      at java.security.AccessController.doPrivileged(Native Method)
      at javax.security.auth.Subject.doAs(Subject.java:415)
{code}

> KerberosAuthenticator.authenticate to include URL on IO failures
> ----------------------------------------------------------------
>
>                 Key: HADOOP-12897
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12897
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>
> If {{KerberosAuthenticator.authenticate}} can't connect to the endpoint, you get a stack trace, but without the URL it is trying to talk to.
> That is: it doesn't have any equivalent of the {{NetUtils.wrapException}} handler —which can't be called here as its not in the {{hadoop-auth}} module



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