我试图在hadoop上运行pig拉丁语脚本，我得到了一个错误：无法为alias result打开terator。
现在这不是一个脚本问题，我已经在一个小的测试文件上测试了它，它已经工作了。
我感觉是reduce函数，因为脚本运行超过2个小时，然后失败了，注意： Successfully read Input, failed to produce result! 我也收到了这个警告：

2015-01-09 09:29:13,320 [main] INFO  org.apache.hadoop.ipc.Client - Retrying connect to server: server:port. Already tried 0 
enter code here
time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=3, sleepTime=1000 MILLISECONDS)
2015-01-09 09:29:14,321 [main] INFO  org.apache.hadoop.ipc.Client - Retrying connect to server: server:port. Already tried 1 
time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=3, sleepTime=1000 MILLISECONDS)
2015-01-09 09:29:15,322 [main] INFO  org.apache.hadoop.ipc.Client - Retrying connect to server: server:port. Already tried 2 
time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=3, sleepTime=1000 MILLISECONDS)
2015-01-09 09:29:15,429 [main] INFO  org.apache.hadoop.mapred.ClientServiceDelegate -
Application state is completed. FinalApplicationStatus=SUCCEEDED. Redirecting to job history server
2015-01-09 09:29:15,847 [main] INFO
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Some
jobs have failed! St
op running all dependent jobs
2015-01-09 09:29:15,854 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1066:Unable to open iterator for alias result

这是什么意思？？finalapplicationstatus=succeeded是什么意思？非常感谢