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Hibernate version: hibernate3

Mapping documents:

Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:

>
[hibernatedoclet] Generating mapping file for nims.nihilent.model.Role.
[hibernatedoclet] nims.nihilent.model.Role
[hibernatedoclet] Generating mapping file for nims.nihilent.model.UserCookie.
[hibernatedoclet] nims.nihilent.model.UserCookie
[hibernatedoclet] Generating mapping file for nims.nihilent.model.DateMetaData.
[hibernatedoclet] nims.nihilent.model.DateMetaData
[hibernatedoclet] Generating mapping file for nims.nihilent.model.NimsDate.
[hibernatedoclet] nims.nihilent.model.NimsDate
[hibernatedoclet] (TemplateEngine.invokeMethod 579 ) Invoking method fai
led: xdoclet.modules.hibernate.HibernateTagsHandler.ifHasCompositeId, line=169 o
f template file: jar:file:/C:/Chan%20Folder/Base%20Camp%20-%20Chan/nims/lib/xdoc
let-1.2.3/lib/xdoclet-hibernate-module-1.2.3.jar!/xdoclet/modules/hibernate/reso
urces/hibernate.xdt
[hibernatedoclet] java.lang.reflect.InvocationTargetException
[hibernatedoclet] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M
ethod)
[hibernatedoclet] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMet
hodAccessorImpl.java:39)
[hibernatedoclet] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Deleg
atingMethodAccessorImpl.java:25)
[hibernatedoclet] at java.lang.reflect.Method.invoke(Method.java:324)
[hibernatedoclet] at xdoclet.template.TemplateEngine.invoke(TemplateEngine
.java:641)
[hibernatedoclet] at xdoclet.template.TemplateEngine.invokeMethod(Template
Engine.java:567)
[hibernatedoclet] at xdoclet.template.TemplateEngine.invokeBlockMethod(Tem
plateEngine.java:965)
[hibernatedoclet] at xdoclet.template.TemplateEngine.handleBlockTag(Templa
teEngine.java:932)
[hibernatedoclet] at xdoclet.template.TemplateEngine.handleTag(TemplateEng
ine.java:472)
[hibernatedoclet] at xdoclet.template.TemplateEngine.generate(TemplateEngi
ne.java:348)
[hibernatedoclet] at xdoclet.template.TemplateEngine.start(TemplateEngine.
java:415)
[hibernatedoclet] at xdoclet.TemplateSubTask.startEngine(TemplateSubTask.j
ava:562)
[hibernatedoclet] at xdoclet.TemplateSubTask.generateForClass(TemplateSubT
ask.java:779)
[hibernatedoclet] at xdoclet.TemplateSubTask.startProcessPerClass(Template
SubTask.java:679)
[hibernatedoclet] at xdoclet.TemplateSubTask.startProcess(TemplateSubTask.
java:596)
[hibernatedoclet] at xdoclet.XmlSubTask.startProcess(XmlSubTask.java:227)
[hibernatedoclet] at xdoclet.modules.hibernate.HibernateSubTask.execute(Hi
bernateSubTask.java:136)
[hibernatedoclet] at xdoclet.XDocletMain.start(XDocletMain.java:48)
[hibernatedoclet] at xdoclet.DocletTask.start(DocletTask.java:468)
[hibernatedoclet] at xjavadoc.ant.XJavadocTask.execute(XJavadocTask.java:1
05)
[hibernatedoclet] at org.apache.tools.ant.UnknownElement.execute(UnknownEl
ement.java:275)
[hibernatedoclet] at org.apache.tools.ant.Task.perform(Task.java:364)
[hibernatedoclet] at org.apache.tools.ant.Target.execute(Target.java:341)
[hibernatedoclet] at org.apache.tools.ant.Target.performTasks(Target.java:
369)
[hibernatedoclet] at org.apache.tools.ant.Project.executeTarget(Project.ja
va:1214)
[hibernatedoclet] at org.apache.tools.ant.Project.executeTargets(Project.j
ava:1062)
[hibernatedoclet] at org.apache.tools.ant.Main.runBuild(Main.java:673)
[hibernatedoclet] at org.apache.tools.ant.Main.startAnt(Main.java:188)
[hibernatedoclet] at org.apache.tools.ant.launch.Launcher.run(Launcher.jav
a:196)
[hibernatedoclet] at org.apache.tools.ant.launch.Launcher.main(Launcher.ja
va:55)
[hibernatedoclet] Caused by: java.lang.NullPointerException
[hibernatedoclet] at xdoclet.modules.hibernate.HibernateTagsHandler.hasCom
positeId_Impl(HibernateTagsHandler.java:718)
[hibernatedoclet] at xdoclet.modules.hibernate.HibernateTagsHandler.ifHasC
ompositeId(HibernateTagsHandler.java:198)
[hibernatedoclet] ... 30 more



Name and version of the database you are using: MySql 5

The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:


Problems with Session and transaction handling?

I am using x-doclet tags to implement hibernate.

I have a requierment where in I need to use a date field as my primary key and this table and another table needs to have a many-to-many replationship. hence the date key acts as the collection key. This is giving the above error when I am trying to create the hbm file


Read this: http://hibernate.org/42.html


Please help. thank You

K S Chanchal