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https://issues.apache.org/jira/browse/HADOOP-14959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209132#comment-16209132
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Steve Loughran commented on HADOOP-14959:
-----------------------------------------
stack. It would be purest to add the handling to
{{KerberosAuthenticator.authenticate}}, but that's in the hadoop-auth module,
so can't use netutils
{code}
at
org.apache.hadoop.fs.azure.WasbRemoteCallHelper.retryableRequest(WasbRemoteCallHelper.java:221)
... 26 more\nCaused by: java.net.ConnectException: Connection refused
(Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1202)
at
sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)
at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032)
at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:966)
at
org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:188)
at
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.authenticate(DelegationTokenAuthenticator.java:133)
{code}
> DelegationTokenAuthenticator.authenticate() to wrap network exceptions
> ----------------------------------------------------------------------
>
> Key: HADOOP-14959
> URL: https://issues.apache.org/jira/browse/HADOOP-14959
> Project: Hadoop Common
> Issue Type: Improvement
> Components: net, security
> Affects Versions: 2.8.1
> Reporter: Steve Loughran
> Priority: Minor
>
> network errors raised in {{DelegationTokenAuthenticator.authenticate()}}
> aren't being wrapped, so only return the usual limited-value java.net error
> text. using {{NetUtils.wrapException()}} can address that
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