I have tried to do "PAMSecurityRealm extends AbstractPasswordBasedSecurityRealm"

But this is not working, can anyone give me any pointers on how to fix this? thanks

[INFO] — maven-stapler-plugin:1.15:apt-compile (default-apt-compile) @ jenkins-core —
[INFO] Compiling 9 source files to /home/ir/jenkins/core/target/classes
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Jenkins main module ............................... SUCCESS [1.897s]
[INFO] Jenkins remoting layer ............................ SUCCESS [22.850s]
[INFO] Jenkins CLI ....................................... SUCCESS [2.623s]
[INFO] Jenkins core ...................................... FAILURE [12.679s]
[INFO] Maven Integration plugin .......................... SKIPPED
[INFO] Jenkins war ....................................... SKIPPED
[INFO] Test harness for Jenkins and plugins .............. SKIPPED
[INFO] Jenkins UI sample plugin .......................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 43.491s
[INFO] Finished at: Fri Jul 01 16:19:50 BST 2011
[INFO] Final Memory: 28M/292M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.kohsuke.stapler:maven-stapler-plugin:1.15:apt-compile (default-apt-compile) on project jenkins-core: Compilation failure
[ERROR] /home/ir/jenkins/core/src/main/java/hudson/security/PAMSecurityRealm.java:[69,7] hudson.security.PAMSecurityRealm is not abstract and does not override abstract method loadUserByUsername(java.lang.String) in hudson.security.AbstractPasswordBasedSecurityRealm
[ERROR] -> [Help 1]

Code changed in jenkins
User: Kohsuke Kawaguchi
Path:
changelog.html
core/src/main/java/hudson/security/PAMSecurityRealm.java
war/src/main/webapp/WEB-INF/security/PAMSecurityRealm.groovy
http://jenkins-ci.org/commit/jenkins/6a75fe64e69c9f53757603fc849c16099dfc483a
Log:
[FIXED JENKINS-9681] PAM now supports CLI auth

... by extending from AbstractPasswordBasedSecurityRealm.

Integrated in jenkins_main_trunk #945
[FIXED JENKINS-9681] PAM now supports CLI auth

Kohsuke Kawaguchi : 6a75fe64e69c9f53757603fc849c16099dfc483a
Files :

• changelog.html
• war/src/main/webapp/WEB-INF/security/PAMSecurityRealm.groovy
• core/src/main/java/hudson/security/PAMSecurityRealm.java

Code changed in jenkins
User: Kohsuke Kawaguchi
Path:
changelog.html
core/src/main/java/hudson/security/PAMSecurityRealm.java
war/src/main/webapp/WEB-INF/security/PAMSecurityRealm.groovy
http://jenkins-ci.org/commit/jenkins/6a75fe64e69c9f53757603fc849c16099dfc483a
Log:
[FIXED JENKINS-9681] PAM now supports CLI auth

... by extending from AbstractPasswordBasedSecurityRealm.

Code changed in jenkins
User: Kohsuke Kawaguchi
Path:
changelog.html
core/src/main/java/hudson/security/PAMSecurityRealm.java
war/src/main/webapp/WEB-INF/security/PAMSecurityRealm.groovy
http://jenkins-ci.org/commit/jenkins/6a75fe64e69c9f53757603fc849c16099dfc483a
Log:
[FIXED JENKINS-9681] PAM now supports CLI auth

... by extending from AbstractPasswordBasedSecurityRealm.

Code changed in jenkins
User: Kohsuke Kawaguchi
Path:
core/src/main/java/hudson/security/PAMSecurityRealm.java
war/src/main/webapp/WEB-INF/security/PAMSecurityRealm.groovy
http://jenkins-ci.org/commit/pam-auth-plugin/e6c2debacd061b4480868ee925b34f7189e4dd7f
Log:
[FIXED JENKINS-9681] PAM now supports CLI auth

... by extending from AbstractPasswordBasedSecurityRealm.

Originally-Committed-As: 6a75fe64e69c9f53757603fc849c16099dfc483a