When I try to do a SELECT DISTINCT, I get "No such file" errors.
hive> SELECT DISTINCT URL FROM URLS;
Total MapReduce jobs = 1
Launching Job 1 out of 1
java.io.IOException: No such file or directory
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.checkAndCreate(File.java:1704)
at java.io.File.createTempFile(File.java:1792)
at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:87)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:107)
at
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:55)
at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:630)
at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:504)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:382)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:138)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:197)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:303)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
FAILED: Execution Error, return code 1 from
org.apache.hadoop.hive.ql.exec.MapRedTask
