Nexus Release Error

gistfile1.txt

[INFO] Uploading: http://localhost:8081/nexus/content/repositories/releases/org/javaee7/sample/javaee7-simple-sample/1.3/javaee7-simple-sample-1.3.pom
[INFO] 2/6 KB   
[INFO] 4/6 KB   
[INFO] 6/6 KB   
[INFO]          
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [INFO] BUILD FAILURE
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [INFO] Total time: 5.820 s
[INFO] [INFO] Finished at: 2015-02-24T02:58:16-08:00
[INFO] [INFO] Final Memory: 31M/312M
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project javaee7-simple-sample: Failed to deploy artifacts: Could not transfer artifact org.javaee7.sample:javaee7-simple-sample:war:1.3 from/to deployment (http://localhost:8081/nexus/content/repositories/releases/): Failed to transfer file: http://localhost:8081/nexus/content/repositories/releases/org/javaee7/sample/javaee7-simple-sample/1.3/javaee7-simple-sample-1.3.war. Return code is: 400, ReasonPhrase: Bad Request. -> [Help 1]
[INFO] [ERROR] 
[INFO] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[INFO] [ERROR] Re-run Maven using the -X switch to enable full debug logging.
[INFO] [ERROR] 
[INFO] [ERROR] For more information about the errors and possible solutions, please read the following articles:
[INFO] [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 42.644 s
[INFO] Finished at: 2015-02-24T02:58:27-08:00
[INFO] Final Memory: 18M/309M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5.1:perform (default-cli) on project javaee7-simple-sample: Maven execution failed, exit code: '1' -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException