看看我的Hibernate错误信息，帮我分析一下吧？

hailanzhijia 2007-09-23 05:46:17

我编了我的第一个使用Hibernate的程序，可调了很长时间也没调出来，帮我看看的吧！我是用ant 编译并运行的，运行时老是出错。我已经把下载的hibernate3.jar和lib下的jar文件都包含近来了。帮我分析一下（本程序只是简单的完成向mysql中插入一条数据）,现行谢过了！下面是出错信息：
E:\applications\application3>ant
Buildfile: build.xml

init:

compile:

build:
[java] log4j:WARN No appenders could be found for logger (org.hibernate.cfg
.Environment).
[java] log4j:WARN Please initialize the log4j system properly.
[java] java.lang.NoClassDefFoundError
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava
.java:194)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:747)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:201)

[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:104)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:288)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:324)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchU
tils.java:105)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:357)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.jav
a:1329)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1298)

[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(De
faultExecutor.java:41)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1181
)
[java] at org.apache.tools.ant.Main.runBuild(Main.java:698)
[java] at org.apache.tools.ant.Main.startAnt(Main.java:199)
[java] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
[java] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
[java] Caused by: java.lang.NoClassDefFoundError
[java] at DAOImp.createStu(Unknown Source)
[java] at BM.main(Unknown Source)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:324)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.jav
a:217)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava
.java:152)
[java] ... 20 more
[java] --- Nested Exception ---
[java] java.lang.NoClassDefFoundError
[java] at DAOImp.createStu(Unknown Source)
[java] at BM.main(Unknown Source)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:324)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.jav
a:217)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava
.java:152)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:747)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:201)

[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:104)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:288)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:324)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchU
tils.java:105)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:357)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.jav
a:1329)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1298)

[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(De
faultExecutor.java:41)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1181
)
[java] at org.apache.tools.ant.Main.runBuild(Main.java:698)
[java] at org.apache.tools.ant.Main.startAnt(Main.java:199)
[java] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
[java] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
[echo] if you see this.It works !!!

BUILD SUCCESSFUL
Total time: 11 seconds

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