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[HADOOP-10944] AbstractFileSystem may not return correct home directory - Hadoop - [issue]
...AbstractFileSystem#getHomeDirectory uses the property "user.name" instead of the current UGI user.  This is erroneous for proxy users, users with a TGT principal not matching the local ...
http://issues.apache.org/jira/browse/HADOOP-10944    Author: Daryn Sharp, 2014-09-04, 03:41
[HADOOP-10301] AuthenticationFilter should return Forbidden for failed authentication - Hadoop - [issue]
...The hadoop-auth AuthenticationFilter returns a 401 Unauthorized without a WWW-Authenticate headers.  The is illegal per the HTTP RPC and causes a NPE in the HttpUrlConnection.This is ha...
http://issues.apache.org/jira/browse/HADOOP-10301    Author: Daryn Sharp, 2014-09-04, 02:16
[HADOOP-9374] Add tokens from -tokenCacheFile into UGI - Hadoop - [issue]
...GenericOptionsParser accepts a -tokenCacheFile option.  However, it only sets the mapreduce.job.credentials.json conf value instead of also adding the tokens to the UGI so they are usab...
http://issues.apache.org/jira/browse/HADOOP-9374    Author: Daryn Sharp, 2014-09-04, 01:53
[HADOOP-9789] Support server advertised kerberos principals - Hadoop - [issue]
...The RPC client currently constructs the kerberos principal based on the a config value, usually with an _HOST substitution.  This means the service principal must match the hostname the...
http://issues.apache.org/jira/browse/HADOOP-9789    Author: Daryn Sharp, 2014-09-04, 00:49
[HADOOP-9868] Server must not advertise kerberos realm - Hadoop - [issue]
...HADOOP-9789 broke kerberos authentication by making the RPC server advertise the kerberos service principal realm.  SASL clients and servers do not support specifying a realm, so it mus...
http://issues.apache.org/jira/browse/HADOOP-9868    Author: Daryn Sharp, 2014-09-04, 00:49
[HADOOP-10146] Workaround JDK7 Process fd close bug - Hadoop - [issue]
...JDK7's Process output streams have an async fd-close race bug.  This manifests as commands run via o.a.h.u.Shell causing threads to hang, OOM, or cause other bizarre behavior.  The...
http://issues.apache.org/jira/browse/HADOOP-10146    Author: Daryn Sharp, 2014-09-04, 00:43
[HADOOP-10129] Distcp may succeed when it fails - Hadoop - [issue]
...Distcp uses IOUtils.cleanup to close its output streams w/o previously attempting to close the streams.  IOUtils.cleanup will swallow close or implicit flush on close exceptions.  ...
http://issues.apache.org/jira/browse/HADOOP-10129    Author: Daryn Sharp, 2014-09-04, 00:43
[HADOOP-9955] RPC idle connection closing is extremely inefficient - Hadoop - [issue]
...The RPC server listener loops accepting connections, distributing the new connections to socket readers, and then conditionally & periodically performs a scan for idle connections.  ...
http://issues.apache.org/jira/browse/HADOOP-9955    Author: Daryn Sharp, 2014-09-04, 00:39
[HADOOP-9956] RPC listener inefficiently assigns connections to readers - Hadoop - [issue]
...The socket listener and readers use a complex synchronization to update the reader's NIO Selector.  Updating active selectors is not thread-safe so precautions are required.However, the...
http://issues.apache.org/jira/browse/HADOOP-9956    Author: Daryn Sharp, 2014-09-04, 00:39
[HADOOP-9748] Reduce blocking on UGI.ensureInitialized - Hadoop - [issue]
...EnsureInitialized is always sync'ed on the class, when it should only sync if it actually has to initialize....
http://issues.apache.org/jira/browse/HADOOP-9748    Author: Daryn Sharp, 2014-09-04, 00:39
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