我已经用hadoop enable和kerberos身份验证配置了dse。但我在日志中看到了这个错误。我可以执行dse hadoop fs命令和nodetool命令，但不能运行map reduce作业。
日志如下：-

ERROR [TASK-TRACKER-INIT] 2014-02-07 20:45:03,813 TaskTrackerRunner.java (line 128) Hadoop Task Tracker caused an exception in state STARTING:
java.io.IOException: Cannot run program "/usr/share/dse/hadoop/native/Linux-amd64- 64/bin/task-controller" (in directory "."): error=13, Permission denied
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
    at org.apache.hadoop.util.Shell.startProcess(Shell.java:199)
    at org.apache.hadoop.util.Shell.runCommand(Shell.java:225)
    at org.apache.hadoop.util.Shell.run(Shell.java:182)
    at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:401)
    at org.apache.hadoop.mapred.LinuxTaskController.setup(LinuxTaskController.java:137)
    at org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:1470)
    at  com.datastax.bdp.hadoop.mapred.TaskTrackerRunner.initService(TaskTrackerRunner.java:104)
    at com.datastax.bdp.hadoop.mapred.TaskTrackerRunner.initService(TaskTrackerRunner.java:31)
    at com.datastax.bdp.hadoop.mapred.ServiceRunner.run(ServiceRunner.java:121)
    at java.lang.Thread.run(Thread.java:724)
Caused by: java.io.IOException: error=13, Permission denied
    at java.lang.UNIXProcess.forkAndExec(Native Method)
    at java.lang.UNIXProcess.<init>(UNIXProcess.java:135)
    at java.lang.ProcessImpl.start(ProcessImpl.java:130)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
    ... 10 more
ERROR [Thrift:8] 2014-02-07 20:45:12,624 TNegotiatingServerTransport.java (line 293) An  error occurred during transport negotiation
com.datastax.bdp.transport.common.TTransportNegotiationException: Improper authentication type requested.  Requested auth: No authentication with service principal: FRAMED_TRANSPORT_FAKE_PRINCIPAL, Allowed auth: Kerberos
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getUnderlyingFactory(TNegotiatingServerTransport.java:485)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.handleTransportNegotiation(TNegotiatingServerTransport.java:286)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.open(TNegotiatingServerTransport.java:192)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:517)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:408)
    at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:193)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)
ERROR [Thrift:8] 2014-02-07 20:45:12,625 TNegotiatingServerTransport.java (line 524) Failed to open server transport.
com.datastax.bdp.transport.common.TTransportNegotiationException: An error occurred during transport negotiation
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.handleTransportNegotiation(TNegotiatingServerTransport.java:294)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.open(TNegotiatingServerTransport.java:192)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:517)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:408)
    at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:193)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)
Caused by: com.datastax.bdp.transport.common.TTransportNegotiationException: Improper authentication type requested.  Requested auth: No authentication with service principal: FRAMED_TRANSPORT_FAKE_PRINCIPAL, Allowed auth: Kerberos
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getUnderlyingFactory(TNegotiatingServerTransport.java:485)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.handleTransportNegotiation(TNegotiatingServerTransport.java:286)
    ... 7 more
ERROR [Thrift:8] 2014-02-07 20:45:12,626 CustomTThreadPoolServer.java (line 219) Error occurred during processing of message.
java.lang.RuntimeException: Failed to open server transport: unknown
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:525)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:408)
    at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:193)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)
Caused by: com.datastax.bdp.transport.common.TTransportNegotiationException: An error occurred during transport negotiation
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.handleTransportNegotiation(TNegotiatingServerTransport.java:294)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.open(TNegotiatingServerTransport.java:192)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getTransport(TNegotiatingServerTransport.java:517)
    ... 5 more
Caused by: com.datastax.bdp.transport.common.TTransportNegotiationException: Improper authentication type requested.  Requested auth: No authentication with service principal: FRAMED_TRANSPORT_FAKE_PRINCIPAL, Allowed auth: Kerberos
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport$Factory.getUnderlyingFactory(TNegotiatingServerTransport.java:485)
    at com.datastax.bdp.transport.server.TNegotiatingServerTransport.handleTransportNegotiation(TNegotiatingServerTransport.java:286)
    ... 7 more
WARN [TASK-TRACKER-INIT] 2014-02-07 20:45:13,828 MetricsSystemImpl.java (line 200) Source name ugi already exists!

这是任务控制器：-
-rwsr-x---1根cassandra 40111 jan 9 18:14/usr/share/dse/hadoop/native/linux-amd64-64/bin/task controller
我使用的是DSE3.2.3Java1.7.0\U25
我已在cassandra.yaml、dse.yaml、core-site.xml、mapre-site.xml、/etc/default/dse文件中正确配置