[hibernate-issues] [Hibernate-JIRA] Commented: (HBX-1088) Custom ReverseEngineeringStrategy class not loaded in Eclipse 3.4 Ganymede when project uses JDK 6
Rich Taylor (JIRA)
noreply at atlassian.com
Fri Sep 19 12:59:04 EDT 2008
[ http://opensource.atlassian.com/projects/hibernate/browse/HBX-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31249#action_31249 ]
Rich Taylor commented on HBX-1088:
----------------------------------
Repro instructions:
- Install Eclipse 3.4, Ganymede (JEE Version)
- Install the nightly build of Hibernate tools (i.e. http://download.jboss.org/jbosside/builds/nightly/200809110807-nightly/index.html) I used the 9/10/08 build (and a few others)
- Create a WTP 3.0 EJB3 Project in Eclipse (I'm guessing other projects would work as well)
- Set the newly created Eclipse project to use JDK 6. (Right click on project -> Properties -> Java Compiler -> Set Compiler compliance level to 1.6)
- Create a custom reverse engineering class, extending DelegatingReverseEngineeringStrategy (in the same project)
- Create a new console configuration, pointing to an existing database (MySQL 5.1.26 in my case)
- Create a new Hibernate Code Generation Configuration to generate hbm files from your database. Select "Reverse engineer from JDBC Connection". Select your custom class in "reveng. strategy".
- Execute the generation and you should get a dialog with the exception listed above.
> Custom ReverseEngineeringStrategy class not loaded in Eclipse 3.4 Ganymede when project uses JDK 6
> --------------------------------------------------------------------------------------------------
>
> Key: HBX-1088
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-1088
> Project: Hibernate Tools
> Issue Type: Bug
> Components: reverse-engineer
> Affects Versions: 3.2.2
> Environment: Hibernate Tools 3.2.2 Nightly from 9/10/2008
> OSX Leopard 10.5.4
> Eclipse 3.4 Ganymede
> Eclipse Project: WTP 3.0 EJB Project, set to use Java 6
> Java 1.6.0_05-b13-52 64bit (Mac OSX)
> MySQl 5.1.26
> Reporter: Rich Taylor
> Priority: Minor
>
> When trying to execute a hibernate tools generation in Eclipse Ganymede with a custom ReverseEngineeringStrategy class, the class cannot be found by hibernate tools. I only get this error when the project is set to use JDK 6. If I lower it to JDK 5 the issue goes away. Here is the resulting stack trace when executing the generation:
> org.hibernate.console.HibernateConsoleRuntimeException: Could not create or find com.mycompany.hibernate.SimpleCustomReverseEngineeringStrategy with one argument delegate constructor
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.loadreverseEngineeringStrategy(CodeGenerationLaunchDelegate.java:358)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.access$0(CodeGenerationLaunchDelegate.java:339)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate$2.execute(CodeGenerationLaunchDelegate.java:303)
> at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:64)
> at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:93)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.buildConfiguration(CodeGenerationLaunchDelegate.java:283)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.runExporters(CodeGenerationLaunchDelegate.java:216)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.launch(CodeGenerationLaunchDelegate.java:136)
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:764)
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:614)
> at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:880)
> at org.eclipse.debug.internal.ui.DebugUIPlugin$7.run(DebugUIPlugin.java:966)
> at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
> Caused by: java.lang.ClassNotFoundException: com.mycompany.hibernate.SimpleCustomReverseEngineeringStrategy
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:481)
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:397)
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:385)
> at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:87)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:164)
> at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:100)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.loadreverseEngineeringStrategy(CodeGenerationLaunchDelegate.java:341)
> ... 12 more
> !SUBENTRY 1 org.hibernate.eclipse.console 4 666 2008-09-10 15:02:02.570
> !MESSAGE java.lang.ClassNotFoundException: com.mycompany.hibernate.SimpleCustomReverseEngineeringStrategy
> !STACK 0
> java.lang.ClassNotFoundException: com.mycompany.hibernate.SimpleCustomReverseEngineeringStrategy
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:481)
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:397)
> at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:385)
> at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:87)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:164)
> at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:100)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.loadreverseEngineeringStrategy(CodeGenerationLaunchDelegate.java:341)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.access$0(CodeGenerationLaunchDelegate.java:339)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate$2.execute(CodeGenerationLaunchDelegate.java:303)
> at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:64)
> at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:93)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.buildConfiguration(CodeGenerationLaunchDelegate.java:283)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.runExporters(CodeGenerationLaunchDelegate.java:216)
> at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.launch(CodeGenerationLaunchDelegate.java:136)
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:764)
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:614)
> at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:880)
> at org.eclipse.debug.internal.ui.DebugUIPlugin$7.run(DebugUIPlugin.java:966)
> at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
> See here for more information:
> http://forum.hibernate.org/viewtopic.php?p=2395107#2395107
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