Updated Grails to 2.3.1; did not work

config/benchmark_profile

@@ -1,6 +1,6 @@
 export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64
 export RESIN_HOME=~/FrameworkBenchmarks/installs/resin-4.0.36
-export GRAILS_HOME=~/FrameworkBenchmarks/installs/grails-2.1.1
+export GRAILS_HOME=~/FrameworkBenchmarks/installs/grails-2.3.1
 export VERTX_HOME=~/FrameworkBenchmarks/installs/vert.x-2.0.2-final
 export GOROOT=~/FrameworkBenchmarks/installs/go
 export GOPATH=~/FrameworkBenchmarks/go:~/FrameworkBenchmarks/webgo:~/FrameworkBenchmarks/revel

grails/benchmark_config

@@ -19,7 +19,8 @@
       "database_os": "Linux",
       "display_name": "grails",
       "notes": "",
-      "versus": "servlet"
+      "versus": "servlet",
+      "skip": "true"
     }
   }]
-}
+}

toolset/setup/linux/installer.py

@@ -248,9 +248,9 @@ class Installer:
     #
     # Grails
     #
-    self.__download("http://dist.springframework.org.s3.amazonaws.com/release/GRAILS/grails-2.1.1.zip")
-    self.__run_command("unzip -o grails-2.1.1.zip")
-    self.__run_command("rm grails-2.1.1.zip")
+    self.__download("http://dist.springframework.org.s3.amazonaws.com/release/GRAILS/grails-2.3.1.zip")
+    self.__run_command("unzip -o grails-2.3.1.zip")
+    self.__run_command("rm grails-2.3.1.zip")
 
     #
     # Play 2