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From sean chen <seanchen...@yahoo.com>
Subject Torque Maven-Plugin: datadump ClassNotFoundException
Date Fri, 18 Jun 2004 16:34:27 GMT
Hi they,
 
In my application, I use Torque's Maven-Plugin to do those database work.  So far
it works well.   But when I try to dump data from database into xml files by using
the goal torque:datadump, I got the following error:
 
    [torque-data-dump] Torque - TorqueDataDump starting
    [torque-data-dump] Your DB settings are:
    [torque-data-dump] driver: org.gjt.mm.mysql.Driver
    [torque-data-dump] URL: jdbc:mysql://localhost:3306/test
    [torque-data-dump] user: test
cannot load driver:
java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver
        at java.net.URLClassLoader$1.run(URLClassLoader.java:198)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:140)
        at org.apache.torque.task.TorqueDataDumpTask.initControlContext(TorqueDataDumpTa
sk.java:185)
        at org.apache.velocity.texen.ant.TexenTask.execute(TexenTask.java:480)
        at org.apache.tools.ant.Task.perform(Task.java:341)
        at org.apache.commons.jelly.tags.ant.AntTag.doTag(AntTag.java:232)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135)
        at org.apache.maven.jelly.tags.werkz.MavenGoalTag.runBodyTag(MavenGoalTag.java:7
9)
        at org.apache.maven.jelly.tags.werkz.MavenGoalTag$MavenGoalAction.performAction(
MavenGoalTag.java:110)
        at com.werken.werkz.Goal.fire(Goal.java:639)
        at com.werken.werkz.Goal.attain(Goal.java:575)
        at com.werken.werkz.WerkzProject.attainGoal(WerkzProject.java:193)
        at org.apache.maven.plugin.PluginManager.attainGoals(PluginManager.java:610)
        at org.apache.maven.MavenSession.attainGoals(MavenSession.java:266)
        at org.apache.maven.cli.App.doMain(App.java:485)
        at org.apache.maven.cli.App.main(App.java:1214)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.
java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at com.werken.forehead.Forehead.run(Forehead.java:551)
        at com.werken.forehead.Forehead.main(Forehead.java:581)
 
I am sure the JDBC driver for MySQL database is in the classpath, because I can
execute the gaol torque:insert-sql and torque:create-db successfully.
 
I am so confused!  Any suggestion?
 
 
Thanks a lot
 
Sean


		
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