In terms of exception handling, of course you are right in terms of 
final product.

IIUC that not how use of jboss-logging for generating exception messages 
is supposed to work, though to be honest, I do not know the details. 
Since you "use this in Validator and Search" I would figure you would 
know how to do it.

The "purpose of the annotation processor" is couple-fold, but here the 
intention is to handle i18n of the logged messages, same as it would for 
exception messages that you want...

On 08/31/2012 05:23 AM, Hardy Ferentschik wrote:
> Hi,
>
> I just bumped into a couple of issues when working on some metamodel tests.
>
> First thing I came across was a NullPointerException :-( Turns out I was 
> missing to add a annotated class to the test.
> Digging a little deeper I noticed that the problem is in the Binder. It does 
> something like:
>
>                       final EntitySource entitySource = 
> entitySourcesByName.get( entityName );
>                       final EntityBinding superEntityBinding =
>                                       SubclassEntitySource.class.isInstance( 
> entitySource )
>                                                       ? entityBinding( ( ( 
> SubclassEntitySource ) entitySource 
> ).superclassEntitySource().getEntityName() )
>                                                       : null;
>
> If the user for some reason forgets to add all configuration sources he will 
> just get a NullPointerException. Not nice :-(
> It seems this is a general problem in the Binder atm. We have to better cater 
> for border cases and think about
> potential problems and how we can provide useful feedback.
>
> Next, I tried to change this to
>
>                       final EntitySource entitySource = 
> entitySourcesByName.get( entityName );
>                       if(entitySource == null) {
>                               throw coreLogger.missingEntitySourceException( 
> entityName );
>                       }
>
>                       // Get super entity binding (creating it if necessary 
> using recursive call to this method)
>                       final EntityBinding superEntityBinding =
>                                       SubclassEntitySource.class.isInstance( 
> entitySource )
>                                                       ? entityBinding( ( ( 
> SubclassEntitySource ) entitySource 
> ).superclassEntitySource().getEntityName() )
>                                                       : null;
>
> where I added the following to CoreMessageLogger:
>
> @Message(value = "Unable to find mapping information for %s. Are you sure all 
> annotated classes and configuration files are added?", id = 443)
> /MappingException missingEntitySourceException(String entityName);
>
> I just want to get a i18n exception. When doing so, the generation of the 
> logger classes fails!
>
> org.gradle.api.tasks.TaskExecutionException: Execution failed for task 
> ':hibernate-core:generateMainLoggingClasses'.
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:68)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
>       at 
> org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:34)
>       at 
> org.gradle.api.internal.changedetection.CacheLockHandlingTaskExecuter$1.run(CacheLockHandlingTaskExecuter.java:34)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess$2.create(DefaultCacheAccess.java:200)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess.longRunningOperation(DefaultCacheAccess.java:172)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess.longRunningOperation(DefaultCacheAccess.java:198)
>       at 
> org.gradle.cache.internal.DefaultPersistentDirectoryStore.longRunningOperation(DefaultPersistentDirectoryStore.java:137)
>       at 
> org.gradle.api.internal.changedetection.DefaultTaskArtifactStateCacheAccess.longRunningOperation(DefaultTaskArtifactStateCacheAccess.java:83)
>       at 
> org.gradle.api.internal.changedetection.CacheLockHandlingTaskExecuter.execute(CacheLockHandlingTaskExecuter.java:32)
>       at 
> org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:55)
>       at 
> org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:57)
>       at 
> org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:41)
>       at 
> org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:51)
>       at 
> org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:52)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:42)
>       at 
> org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:247)
>       at 
> org.gradle.execution.DefaultTaskGraphExecuter.executeTask(DefaultTaskGraphExecuter.java:192)
>       at 
> org.gradle.execution.DefaultTaskGraphExecuter.doExecute(DefaultTaskGraphExecuter.java:177)
>       at 
> org.gradle.execution.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:83)
>       at 
> org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:36)
>       at 
> org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
>       at 
> org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
>       at 
> org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67)
>       at 
> org.gradle.api.internal.changedetection.TaskCacheLockHandlingBuildExecuter$1.run(TaskCacheLockHandlingBuildExecuter.java:31)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess$1.create(DefaultCacheAccess.java:111)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:126)
>       at 
> org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:109)
>       at 
> org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:129)
>       at 
> org.gradle.api.internal.changedetection.DefaultTaskArtifactStateCacheAccess.useCache(DefaultTaskArtifactStateCacheAccess.java:79)
>       at 
> org.gradle.api.internal.changedetection.TaskCacheLockHandlingBuildExecuter.execute(TaskCacheLockHandlingBuildExecuter.java:29)
>       at 
> org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
>       at 
> org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
>       at 
> org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67)
>       at 
> org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
>       at 
> org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
>       at 
> org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:54)
>       at 
> org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:155)
>       at 
> org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:110)
>       at 
> org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:78)
>       at 
> org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:38)
>       at 
> org.gradle.launcher.exec.InProcessGradleLauncherActionExecuter.execute(InProcessGradleLauncherActionExecuter.java:39)
>       at 
> org.gradle.launcher.exec.InProcessGradleLauncherActionExecuter.execute(InProcessGradleLauncherActionExecuter.java:25)
>       at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:50)
>       at org.gradle.launcher.cli.ActionAdapter.execute(ActionAdapter.java:30)
>       at org.gradle.launcher.cli.ActionAdapter.execute(ActionAdapter.java:22)
>       at 
> org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:200)
>       at 
> org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:173)
>       at 
> org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
>       at 
> org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:138)
>       at 
> org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
>       at 
> org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
>       at org.gradle.launcher.Main.doAction(Main.java:48)
>       at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
>       at org.gradle.launcher.Main.main(Main.java:39)
>       at 
> org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:50)
>       at 
> org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:32)
>       at org.gradle.launcher.GradleMain.main(GradleMain.java:26)
>       at 
> org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:33)
>       at org.gradle.wrapper.Wrapper.execute(Wrapper.java:87)
>       at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:37)
> Caused by: org.gradle.api.internal.tasks.compile.CompilationFailedException: 
> Compilation failed; see the compiler error output for details.
>       at 
> org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:42)
>       at 
> org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:33)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:95)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:48)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:34)
>       at 
> org.gradle.api.internal.tasks.compile.DelegatingJavaCompiler.execute(DelegatingJavaCompiler.java:29)
>       at 
> org.gradle.api.internal.tasks.compile.DelegatingJavaCompiler.execute(DelegatingJavaCompiler.java:20)
>       at 
> org.gradle.api.internal.tasks.compile.IncrementalJavaCompilerSupport.execute(IncrementalJavaCompilerSupport.java:33)
>       at 
> org.gradle.api.internal.tasks.compile.IncrementalJavaCompilerSupport.execute(IncrementalJavaCompilerSupport.java:23)
>       at org.gradle.api.tasks.compile.Compile.compile(Compile.java:60)
>       at 
> org.gradle.api.internal.BeanDynamicObject$MetaClassAdapter.invokeMethod(BeanDynamicObject.java:196)
>       at 
> org.gradle.api.internal.BeanDynamicObject.invokeMethod(BeanDynamicObject.java:102)
>       at 
> org.gradle.api.internal.CompositeDynamicObject.invokeMethod(CompositeDynamicObject.java:99)
>       at org.gradle.api.tasks.compile.Compile_Decorated.invokeMethod(Unknown 
> Source)
>       at org.gradle.util.ReflectionUtil.invoke(ReflectionUtil.groovy:23)
>       at 
> org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$4.execute(AnnotationProcessingTaskFactory.java:150)
>       at 
> org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$4.execute(AnnotationProcessingTaskFactory.java:145)
>       at 
> org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:472)
>       at 
> org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:461)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:60)
>       ... 60 more
>
>
> In Validator and Search we use this method to generate i18n exceptions. 
> Looking at the current state of CoreMessageLogger we only use log messages 
> (@LogMessage).
> There is no exception generated. Is this intended? How do I create an 
> exception with an i18n message?
>
> And what's up with the annotation processor when using this approach anyways? 
> (btw, trying to upgrade to 'org.jboss.logging:jboss-logging:3.1.1.GA' and 
> 'org.jboss.logging:jboss-logging-processor:1.0.3.Final' did not help)
>
> --Hardy
> _______________________________________________
> hibernate-dev mailing list
> hibernate-dev@lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/hibernate-dev
>

-- 
st...@hibernate.org
http://hibernate.org
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