Namespace conflict with parent controller class '$CLV_exprEval$'

Works in 3.1.0. Couldn't test 3.1.1 because there isn't a grails plugin for it. http://plugins.grails.org/grails-clover/trunk/

Here's what I think is causing the problem:
class MicrositesAccountController extends AccountController {

$ grails test-app -clover.on
Welcome to Grails 1.3.7 - http://grails.org/
Licensed under Apache Standard License 2.0
Grails home is set to: /home/build/grails_versions/grails_1.3.7

Base Directory: /home/build/make_myaccount/trunk
Resolving dependencies...
Dependencies resolved in 2518ms.
Running script /home/build/grails_versions/grails_1.3.7/scripts/TestApp.groovy
Environment set to test
Clover: Using config: [on:true]
Using clover license path: /home/build/clover.license
[clover-env] Loading clover.xml: jar:file:/home/build/.ivy2/cache/com.cenqua.clover/clover/jars/clover-3.1.2.jar!/clover.xml
Using default clover-setup configuration.
Clover:
directories: [src/java, src/groovy, test/unit, test/integration, grails-app]
includes: [**/*.groovy, **/*.java]
excludes [**/conf/**, **/plugins/**]
[clover-setup] Clover Version 3.1.2, built on November 07 2011 (build-842)
[clover-setup] Loaded from: /home/build/.ivy2/cache/com.cenqua.clover/clover/jars/clover-3.1.2.jar
[clover-setup] Clover: Commercial License registered to J2 GLOBAL COMMUNICATIONS INC.
[clover-setup] Clover is enabled with initstring '/home/build/.grails/1.3.7/projects/trunk/clover/db/clover.db'
Clover: Forcing a clean to ensure Clover instrumentation occurs. Disable by setting: clover.forceClean=false
[delete] Deleting directory /home/build/make_myaccount/trunk/target/classes
[delete] Deleting directory /home/build/.grails/1.3.7/projects/trunk/clover
Clover: Compile start.
[mkdir] Created dir: /home/build/make_myaccount/trunk/target/classes
[clover-setup] Creating new database at '/home/build/.grails/1.3.7/projects/trunk/clover/db/clover.db'.
[clover-setup] Processing files at 1.6 source level.
[clover-setup] Clover all over. Instrumented 13 files (5 packages).
[clover-setup] Elapsed time = 1.247 secs. (10.425 files/sec, 2,218.926 srclines/sec)
[groovyc] Compiling 99 source files to /home/build/make_myaccount/trunk/target/classes
[clover-setup] Updating existing database at '/home/build/.grails/1.3.7/projects/trunk/clover/db/clover.db'.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
[groovyc] org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
[groovyc] /home/build/make_myaccount/trunk/grails-app/controllers/com/j2/myaccount/microsites/MicrositesAccountController.groovy: -1: You are not allowed to override the final method $CLV_exprEval$(java.lang.Object,java.lang.Integer) from class 'com.j2.myaccount.AccountController'.
[groovyc] @ line -1, column -1.
[groovyc] 1 error
Compilation error: Compilation Failed