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# Apache Hadoop Changelog

## Release 0.6.1 - 2006-09-13

### INCOMPATIBLE CHANGES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### IMPORTANT ISSUES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### NEW FEATURES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### IMPROVEMENTS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### BUG FIXES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
| [HADOOP-529](https://issues.apache.org/jira/browse/HADOOP-529) | SequenceFile fails task with NullPointerException in codec initialization |  Blocker | . | Sanjay Dahiya | Owen O'Malley |
| [HADOOP-526](https://issues.apache.org/jira/browse/HADOOP-526) | datanode lock message causes NullPointerException |  Major | . | Owen O'Malley | Milind Bhandarkar |
| [HADOOP-523](https://issues.apache.org/jira/browse/HADOOP-523) | TextInputformat .isSplittable() fails with NullPointerException with hadoop 0.6.1 |  Major | . | Sanjay Dahiya | Owen O'Malley |
| [HADOOP-521](https://issues.apache.org/jira/browse/HADOOP-521) | classloader problem for clients |  Major | io | Christian Kunz | Owen O'Malley |
| [HADOOP-520](https://issues.apache.org/jira/browse/HADOOP-520) | libhdfs returns success even when writing to a file fails |  Major | . | Christian Kunz | Arun C Murthy |


### TESTS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### SUB-TASKS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### OTHER:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


