Merge pull request #106 from gluster/hadoop-2.1.0

merge FORKED fixes from hadoop-2.1.0 into master

Author: childsb

src/main/java/org/apache/hadoop/fs/glusterfs/GlusterVolume.java

@@ -136,16 +136,19 @@ public void setConf(Configuration conf){
                 }
 
                 if(sameVolume(mapredSysDirectory) && !exists(mapredSysDirectory) ){
-                    mkdirs(mapredSysDirectory);
+                 //   mkdirs(mapredSysDirectory);
+                    log.warn("mapred.system.dir/mapreduce.jobtracker.system.dir does not exist: " + mapredSysDirectory);
                 }
                 //Working directory setup
 
                 Path workingDirectory = getInitialWorkingDirectory();
                 if(!sameVolume(workingDirectory)){
                     workingDirectory = new Path("/");
                 }else if( !exists(workingDirectory)){
-                    mkdirs(workingDirectory);
+                   // mkdirs(workingDirectory);
+                    log.warn("working directory does not exist: " + workingDirectory);
                 }
+                
                 setWorkingDirectory(workingDirectory);
 
 
@@ -291,7 +294,7 @@ public FileStatus[] listStatus(Path f) throws IOException {
         }
 
         if(localf.isDirectory() && !localf.canRead()){
-            throw new IOException("Access denied : " + localf.getPath());
+            throw new IOException("Access denied : " + f.toString());
         }
 
         File[] names = localf.listFiles();