title: Maven Package Compilation Error
body: <p>i created a webapp project using maven in eclipse. when i run the command mvn package in command prompt it showing folowing error. </p>
  
  <pre><code>[ERROR] COMPILATION ERROR :
  [INFO] -------------------------------------------------------------
  [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
  [INFO] 1 error
  [INFO] -------------------------------------------------------------
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 4.310s
  [INFO] Finished at: Tue Mar 05 14:32:23 IST 2013
  [INFO] Final Memory: 16M/218M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.0:compile (default-compile) on project  Compilation fa
  ilure
  [ERROR] ***No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?***
  [ERROR] -&gt; [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/MojoFailureException
  </code></pre>
  
  <p>i tried to change jdk and jre. but not working. still it shows same error</p>