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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: HibernateTools - export query exception
PostPosted: Mon May 22, 2006 5:15 pm 
Beginner
Beginner

Joined: Tue May 02, 2006 10:04 am
Posts: 29
Hi,

I am trying to run a hibernatetool Ant task with an HQL query. Getting this exception:

Code:

[hibernatetool] An exception occurred while running exporter #2:query (Executes queries)
[hibernatetool] To get the full stack trace run ant with -verbose
[hibernatetool] java.lang.NullPointerException

BUILD FAILED
C:\work\hib_tools\build.xml:9: java.lang.NullPointerException
        at org.hibernate.tool.ant.HibernateToolTask.reportException(HibernateToolTask.java:194)
        at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:163)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: java.lang.NullPointerException
        at org.hibernate.tool.hbm2x.QueryExporter.doStart(QueryExporter.java:66)
        at org.hibernate.tool.hbm2x.AbstractExporter.start(AbstractExporter.java:93)
        at org.hibernate.tool.ant.ExporterTask.execute(ExporterTask.java:40)
        at org.hibernate.tool.ant.QueryExporterTask.execute(QueryExporterTask.java:89)
        at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:160)
        ... 12 more
--- Nested Exception ---
java.lang.NullPointerException
        at org.hibernate.tool.hbm2x.QueryExporter.doStart(QueryExporter.java:66)
        at org.hibernate.tool.hbm2x.AbstractExporter.start(AbstractExporter.java:93)
        at org.hibernate.tool.ant.ExporterTask.execute(ExporterTask.java:40)
        at org.hibernate.tool.ant.QueryExporterTask.execute(QueryExporterTask.java:89)
        at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:160)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)



I am using Hibernate 3.0, HibernateTools 3.1 beta.
I have a pretty basic configuration file:

Code:
<?xml version="1.0" ?>

<!DOCTYPE hibernate-configuration
          PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>

   <session-factory>
      <property name="connection.username">[uid]</property>
      <property name="connection.password">[pwd]</property>
      <property name="connection.url">jdbc:oracle:thin:@[host]:[port]:[instance]</property>
      <property name="connection.driver_class">oracle.jdbc.OracleDriver</property>
      <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property>
      <mapping resource="[Class].hbm.xml"/>, etc.
   </session-factory>

</hibernate-configuration>



When I look at the Ant trace, I see this line:

Code:

[hibernatetool] May 22, 2006 4:09:20 PM org.hibernate.cfg.Configuration doConfigure
[hibernatetool] INFO: Configured SessionFactory: null



Does it mean it cannot configure the session?

Any help would be appreciated.
Thanks.


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