HDFS-10735 Distcp using webhdfs on secure HA clusters fails with StandbyException
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@ -91,6 +91,7 @@
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import org.apache.hadoop.io.retry.RetryPolicy;
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import org.apache.hadoop.io.retry.RetryUtils;
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import org.apache.hadoop.ipc.RemoteException;
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import org.apache.hadoop.ipc.StandbyException;
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import org.apache.hadoop.net.NetUtils;
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import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.security.SecurityUtil;
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@ -471,6 +472,13 @@ private Path makeAbsolute(Path f) {
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}
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IOException re = JsonUtilClient.toRemoteException(m);
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//check if exception is due to communication with a Standby name node
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if (re.getMessage() != null && re.getMessage().endsWith(
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StandbyException.class.getSimpleName())) {
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LOG.trace("Detected StandbyException", re);
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throw new IOException(re);
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}
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// extract UGI-related exceptions and unwrap InvalidToken
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// the NN mangles these exceptions but the DN does not and may need
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// to re-fetch a token if either report the token is expired
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