| HADOOP-1035 | StackOverflowError in FSDataSet | Blocker | . | Philippe Gassmann | Raghu Angadi | 
| HADOOP-1067 | Compile fails if Checkstyle jar is present in lib directory | Major | build | Tom White | Tom White | 
| HADOOP-1060 | IndexOutOfBoundsException in JobInProgress.updateTaskStatus leads to hung jobs | Blocker | . | Arun C Murthy | Arun C Murthy | 
| HADOOP-1077 | Race condition in fetching map outputs (might lead to hung reduces) | Blocker | . | Devaraj Das | Devaraj Das | 
| HADOOP-1083 | Replication not occuring after cluster restart when datanodes missing | Blocker | . | Nigel Daley | Hairong Kuang | 
| HADOOP-1082 | NullpointerException in ChecksumFileSystem$FSInputChecker.seek | Blocker | . | Hairong Kuang | Hairong Kuang | 
| HADOOP-1088 | Csv and Xml serialization for buffers do not work for byte value of -1 | Blocker | record | Milind Bhandarkar | Milind Bhandarkar | 
| HADOOP-1080 | Cygwin path translation should occur earlier in bin/hadoop | Major | scripts | Andrzej Bialecki |  | 
| HADOOP-1091 | NPE from Simon in JT stdout | Major | . | David Bowen | David Bowen | 
| HADOOP-1092 | NullPointerException in HeartbeatMonitor thread | Blocker | . | Nigel Daley | Hairong Kuang | 
| HADOOP-1112 | Race condition in Hadoop metrics | Major | . | David Bowen |  | 
| HADOOP-1108 | Checksumed file system should  retry reading if a different replica is found when handle ChecksumException | Blocker | . | dhruba borthakur | Hairong Kuang | 
| HADOOP-1070 | Number of racks and datanode double temporarily when upgrading from 0.10.1 to 0.11.2 | Blocker | . | Nigel Daley | Konstantin Shvachko | 
| HADOOP-1099 | NullPointerException in JobInProgress.getTaskInProgress | Major | . | Nigel Daley | Gautam Kowshik | 
| HADOOP-1115 | copyToLocal doesn’t copy directories | Blocker | . | Nigel Daley |  | 
| HADOOP-1109 | Streaming, NPE when reading sequencefile | Major | . | Koji Noguchi |  | 
| HADOOP-1117 | DFS Scalability: When the namenode is restarted it consumes 80% CPU | Blocker | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-1089 | The c++ version of write and read v-int don’t agree with the java versions | Major | record | Owen O’Malley | Milind Bhandarkar | 
| HADOOP-1128 | Missing progress information in map tasks | Major | . | Andrzej Bialecki | Andrzej Bialecki | 
| HADOOP-1129 | The DFSClient hides IOExceptions in flush | Major | . | Owen O’Malley | Hairong Kuang | 
| HADOOP-1126 | Optimize CPU usage when cluster restarts | Major | . | dhruba borthakur | Hairong Kuang |