Some more light on the issue. This is the first time I debug WOLips and I have 
never attempted to change the code. That said, when debugging Entity Modeler I 
was able to locate this exception thrown just before the exception I originally 
reported was thrown:

org.eclipse.core.runtime.CoreException: Plug-in 
org.objectstyle.wolips.eomodeler.eclipse was unable to load class 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory.

!ENTRY  at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194)
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:176)
        at 
org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
        at 
org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
        at 
org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
        at 
org.objectstyle.wolips.eomodeler.core.sql.IEOSQLGeneratorFactory$Utility.sqlGeneratorFactory(IEOSQLGeneratorFactory.java:29)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:297)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog$1.run(GenerateSQLDialog.java:279)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory cannot be 
found by org.objectstyle.wolips.eomodeler.eclipse_1.0.6
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:432)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
        at 
org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at 
org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:568)
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
        ... 7 more
 org.objectstyle.wolips.eomodeler.core.ActivatorResources 4 4 2015-04-29 
21:13:07.546
!MESSAGE Could not create SQL generator factory from configuration element: 
org.eclipse.core.internal.registry.ConfigurationElementHandle@7b77
!STACK 1
org.eclipse.core.runtime.CoreException: Plug-in 
org.objectstyle.wolips.eomodeler.eclipse was unable to load class 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory.
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194)
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:176)
        at 
org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
        at 
org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
        at 
org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
        at 
org.objectstyle.wolips.eomodeler.core.sql.IEOSQLGeneratorFactory$Utility.sqlGeneratorFactory(IEOSQLGeneratorFactory.java:29)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:297)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog$1.run(GenerateSQLDialog.java:279)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory cannot be 
found by org.objectstyle.wolips.eomodeler.eclipse_1.0.6
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:432)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
        at 
org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at 
org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:568)
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
        ... 7 more
!SUBENTRY 1 org.eclipse.equinox.registry 4 1 2015-04-29 21:13:07.546
!MESSAGE Plug-in org.objectstyle.wolips.eomodeler.eclipse was unable to load 
class org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory.
!STACK 0
java.lang.ClassNotFoundException: 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory cannot be 
found by org.objectstyle.wolips.eomodeler.eclipse_1.0.6
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:432)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
        at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
        at 
org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at 
org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:568)
        at 
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
        at 
org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
        at 
org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
        at 
org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
        at 
org.objectstyle.wolips.eomodeler.core.sql.IEOSQLGeneratorFactory$Utility.sqlGeneratorFactory(IEOSQLGeneratorFactory.java:29)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:297)
        at 
org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog$1.run(GenerateSQLDialog.java:279)
        at java.lang.Thread.run(Thread.java:745)

The problem is that the 
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory class isn’t 
loaded.

Ângelo Andrade Cirino
[email protected]

"O homem sensato se adapta ao mundo. O insensato insiste em tentar adaptar o 
mundo a ele. Todo o progresso depende, portanto, do homem insensato"
Sir George Benard Shaw

"The reasonable man adapts himself to the world: the unreasonable one persists 
in trying to adapt the world to himself. Therefore all progress depends on the 
unreasonable man."
Sir George Benard Shaw


> Em 28/04/2015, à(s) 22:37, Ângelo Andrade Cirino <[email protected]> 
> escreveu:
> 
> Hi all,
> 
> I’ve setup FrontBase as my development database server and am using Eclipse 
> 4.4.2 and WOLips 4.4. When I try to generate SQL or reverse engineer a 
> database I get the following exception:
> 
> java.lang.ClassCastException: 
> org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory cannot be 
> cast to org.objectstyle.wolips.eomodeler.core.sql.IEOSQLGeneratorFactory
>       at 
> org.objectstyle.wolips.eomodeler.core.sql.IEOSQLGeneratorFactory$Utility.sqlGeneratorFactory(IEOSQLGeneratorFactory.java:29)
>       at 
> org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:297)
>       at 
> org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog$1.run(GenerateSQLDialog.java:279)
>       at java.lang.Thread.run(Thread.java:745)
> 
> Any clues?
> 
> Angelo
> 
> -----------------------------
> Ângelo Andrade Cirino
> [email protected] <mailto:[email protected]>
> 
> "O homem sensato se adapta ao mundo. O insensato insiste em tentar adaptar o 
> mundo a ele. Todo o progresso depende, portanto, do homem insensato"
> Sir George Benard Shaw
> 
> "The reasonable man adapts himself to the world: the unreasonable one 
> persists in trying to adapt the world to himself. Therefore all progress 
> depends on the unreasonable man."
> Sir George Benard Shaw
> 
> 

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