#1821 new

OptimisticLockingCRUD log some Warning on LocalvariablesNamesEnhancer

Reported by Alex | May 28th, 2014 @ 01:23 AM | in 1.4.x

Please include as much relevant information as possible including the exact framework version you're using and a code snippet that reproduces the problem. WARNING: Do not fill bugs related describing security vulnerabilities. Email directly guillaume dot bort at gmail dot com for that.

Framework version: 1.3.x commit acef81dd246dc13164e1974cd1abd36804f0ed85
Platform you're using: Windows x64 - JDK7

Reproduction steps: Just run the application just test cases after a play clean

You will have this log:

09:16:38,165 TRACE ~ 0ms to apply PropertiesEnhancer to controllers.OptimisticLockingCRUD
09:16:38,167 TRACE ~ for variable 'entityClass' in slot=0, sig was 'Ljava/lang/Class;' and is now 'Ljava/lang/Object;'
09:16:38,170 WARN  ~ weird: skipping method controllers.CRUD$ObjectType controllers.OptimisticLockingCRUD.createObjectType(java.lang.Class) as its number of local variables is incorrect (lv=javassist.bytecode.LocalVariableAttribute@23e9d8eb || lv.length=0 || params.length=1 || (isStatic? true)
09:16:38,171 WARN  ~ While applying localvariables to controllers.OptimisticLockingCRUD.createObjectType, param 0
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.rangeCheck(ArrayList.java:635)
    at java.util.ArrayList.get(ArrayList.java:411)
    at play.classloading.enhancers.LocalvariablesNamesEnhancer.enhanceThisClass(LocalvariablesNamesEnhancer.java:154)
    at play.CorePlugin.enhance(CorePlugin.java:297)
    at play.plugins.PluginCollection.enhance(PluginCollection.java:551)
    at play.classloading.ApplicationClasses$ApplicationClass.enhance(ApplicationClasses.java:235)
    at play.classloading.ApplicationClassloader.loadApplicationClass(ApplicationClassloader.java:168)
    at play.classloading.ApplicationClassloader.loadClass(ApplicationClassloader.java:85)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    at play.classloading.ApplicationClassloader.loadApplicationClass(ApplicationClassloader.java:169)
    at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:432)
    at play.classloading.ApplicationClassloader.getAssignableClasses(ApplicationClassloader.java:456)
    at play.templates.GroovyTemplateCompiler.compile(GroovyTemplateCompiler.java:34)
    at play.templates.TemplateCompiler.compile(TemplateCompiler.java:28)
    at play.templates.TemplateLoader.load(TemplateLoader.java:83)
    at play.mvc.Router.parse(Router.java:161)
    at play.mvc.Router.parse(Router.java:189)
    at play.mvc.Router.parse(Router.java:163)
    at play.mvc.Router.load(Router.java:47)
    at play.mvc.Router.detectChanges(Router.java:218)
    at Invocation.HTTP Request(Play!)

We need to investigate

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<h2>Play framework</h2>

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Please include as much relevant information as possible including the exact framework version you're using and a code snippet that reproduces the problem.<br><br>

Don't have too much expectations. Unless the bug is really a serious "everything is broken" thing, you're creating a ticket to start a discussion. Having a patch (or a branch on Github we can pull from) is better, but then again we'll only pull high quality branches that make sense to be in the core of Play.