When adding the following lines

    /**
     * The modification-date of the entity.
     *
     * @ejb:persistent-field
     * @ejb:interface-method
     */
    public abstract Date getModificationDate();

    /**
     * The modification-date of the entity.
     *
     * @ejb:persistent-field
     */
    public abstract void setModificationDate(Date modificationDate);


to the BaseEntityBean (from samples), I get:

[ejbdoclet] Invoking method failed:
xdoclet.tagshandler.TypeTagsHandler.ifIsOfTy
pe, line=3 of template file:
file:/D:/java/development/xdoclet/xdoclet/modules/e
jb/entity/resources/entity-object-hashcode.xdt
[ejbdoclet] java.lang.reflect.InvocationTargetException:
[ejbdoclet] java.lang.NullPointerException
[ejbdoclet]     at
xdoclet.tagshandler.TypeTagsHandler.ifIsOfType_Impl(TypeTagsH
andler.java:468)
[ejbdoclet]     at
xdoclet.tagshandler.TypeTagsHandler.ifIsOfType(TypeTagsHandle
r.java:430)
[ejbdoclet]     at java.lang.reflect.Method.invoke(Native Method)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invoke(TemplateEngine.java:58
4)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeMethod(TemplateEngine.j
ava:483)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeBlockMethod(TemplateEng
ine.java:904)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleBlockTag(TemplateEngine
.java:871)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleTag(TemplateEngine.java
:432)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.generate(TemplateEngine.java:
331)
[ejbdoclet]     at
xdoclet.template.TemplateTagHandler.generate(TemplateTagHandl
er.java:75)
[ejbdoclet]     at
xdoclet.tagshandler.MergeTagsHandler.generateUsingMergedFile(
MergeTagsHandler.java:203)
[ejbdoclet]     at
xdoclet.tagshandler.MergeTagsHandler.merge(MergeTagsHandler.j
ava:75)
[ejbdoclet]     at java.lang.reflect.Method.invoke(Native Method)
[ejbdoclet]     at
xdoclet.template.TemplateParser.invoke(TemplateParser.java:18
5)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeMethod(TemplateEngine.j
ava:483)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeBlockMethod(TemplateEng
ine.java:904)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleBlockTag(TemplateEngine
.java:871)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleTag(TemplateEngine.java
:432)
[ejbdoclet]     at
xdoclet.template.TemplateParser.generate(TemplateParser.java:
116)
[ejbdoclet]     at
xdoclet.template.TemplateParser.invoke(TemplateParser.java:18
1)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeMethod(TemplateEngine.j
ava:483)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeBlockMethod(TemplateEng
ine.java:904)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleBlockTag(TemplateEngine
.java:871)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleTag(TemplateEngine.java
:432)
[ejbdoclet]     at
xdoclet.template.TemplateParser.generate(TemplateParser.java:
116)
[ejbdoclet]     at
xdoclet.template.TemplateParser.invoke(TemplateParser.java:18
1)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeMethod(TemplateEngine.j
ava:483)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.invokeBlockMethod(TemplateEng
ine.java:904)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleBlockTag(TemplateEngine
.java:871)
[ejbdoclet]     at
xdoclet.template.TemplateEngine.handleTag(TemplateEngine.java
:432)
[ejbdoclet]     at
xdoclet.template.TemplateParser.generate(TemplateParser.java:
116)
[ejbdoclet]     at
xdoclet.template.TemplateParser.start(TemplateParser.java:84)

[ejbdoclet]     at
xdoclet.GenerationManager.isGenerationNeeded(GenerationManage
r.java:316)
[ejbdoclet]     at
xdoclet.GenerationManager.checkTemplateFile(GenerationManager
.java:206)
[ejbdoclet]     at
xdoclet.GenerationManager.isGenerationNeeded(GenerationManage
r.java:136)
[ejbdoclet]     at
xdoclet.TemplateSubTask.generateForClass(TemplateSubTask.java
:670)
[ejbdoclet]     at
xdoclet.modules.ejb.entity.DataObjectSubTask.generateForClass
(DataObjectSubTask.java:170)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcessPerClass(TemplateSubTask.
java:589)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcess(TemplateSubTask.java:529
)
[ejbdoclet]     at xdoclet.TemplateSubTask.execute(TemplateSubTask.java:455)
[ejbdoclet]     at xdoclet.XDocletMain.start(XDocletMain.java:52)
[ejbdoclet]     at xdoclet.DocletTask.start(DocletTask.java:383)
[ejbdoclet]     at xjavadoc.ant.XJavadocTask.execute(XJavadocTask.java:79)
[ejbdoclet]     at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:171)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:357)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at
org.apache.tools.ant.Project.executeTargets(Project.java:1160
)
[ejbdoclet]     at org.apache.tools.ant.Main.runBuild(Main.java:605)
[ejbdoclet]     at org.apache.tools.ant.Main.start(Main.java:195)
[ejbdoclet]     at org.apache.tools.ant.Main.main(Main.java:234)
[ejbdoclet] Running XDoclet failed.
[ejbdoclet] <<xdoclet.XDocletException: Running XDoclet failed.>>
[ejbdoclet] D:\java\development\xdoclet\samples\build.xml:89: XDoclet failed
[ejbdoclet]     at xdoclet.DocletTask.start(DocletTask.java:386)
[ejbdoclet]     at xjavadoc.ant.XJavadocTask.execute(XJavadocTask.java:79)
[ejbdoclet]     at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:171)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:357)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at
org.apache.tools.ant.Project.executeTargets(Project.java:1160
)
[ejbdoclet]     at org.apache.tools.ant.Main.runBuild(Main.java:605)
[ejbdoclet]     at org.apache.tools.ant.Main.start(Main.java:195)
[ejbdoclet]     at org.apache.tools.ant.Main.main(Main.java:234)
[ejbdoclet] --- Nested Exception ---
[ejbdoclet] xdoclet.XDocletException: xdoclet.XDocletException: Running
XDoclet
failed.
[ejbdoclet]     at
xdoclet.GenerationManager.isGenerationNeeded(GenerationManage
r.java:319)
[ejbdoclet]     at
xdoclet.GenerationManager.checkTemplateFile(GenerationManager
.java:206)
[ejbdoclet]     at
xdoclet.GenerationManager.isGenerationNeeded(GenerationManage
r.java:136)
[ejbdoclet]     at
xdoclet.TemplateSubTask.generateForClass(TemplateSubTask.java
:670)
[ejbdoclet]     at
xdoclet.modules.ejb.entity.DataObjectSubTask.generateForClass
(DataObjectSubTask.java:170)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcessPerClass(TemplateSubTask.
java:589)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcess(TemplateSubTask.java:529
)
[ejbdoclet]     at xdoclet.TemplateSubTask.execute(TemplateSubTask.java:455)
[ejbdoclet]     at xdoclet.XDocletMain.start(XDocletMain.java:52)
[ejbdoclet]     at xdoclet.DocletTask.start(DocletTask.java:383)
[ejbdoclet]     at xjavadoc.ant.XJavadocTask.execute(XJavadocTask.java:79)
[ejbdoclet]     at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:171)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:357)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:313)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:334)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1216)

[ejbdoclet]     at
org.apache.tools.ant.Project.executeTargets(Project.java:1160
)
[ejbdoclet]     at org.apache.tools.ant.Main.runBuild(Main.java:605)
[ejbdoclet]     at org.apache.tools.ant.Main.start(Main.java:195)
[ejbdoclet]     at org.apache.tools.ant.Main.main(Main.java:234)


Could someone have a look at this (vincent?) ? Thanks!

Mathias

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