有没有人用过dbForms?

s_phoenix 2005-07-19 02:33:39

我下载回它的例子，bookstore.war，启动时出错，截取片断如下：
2005-7-19 14:30:29 org.apache.catalina.core.StandardPipeline registerValve
信息: Can't register valve org.apache.catalina.core.StandardContextValve@f9f91d
org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog (Caused by java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog) (Caused by org.apache.commons.logging.LogConfigurationException: java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog (Caused by java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog))
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:370)
at org.apache.catalina.core.ContainerBase.getLogger(ContainerBase.java:380)
at org.apache.catalina.valves.ValveBase.createObjectName(ValveBase.java:242)
at org.apache.catalina.core.StandardPipeline.registerValve(StandardPipeline.java:296)
at org.apache.catalina.core.StandardPipeline.start(StandardPipeline.java:233)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4045)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:894)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:857)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1102)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
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:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Caused by: org.apache.commons.logging.LogConfigurationException: java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog (Caused by java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
... 29 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JCategoryLog
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at org.apache.commons.logging.impl.LogFactoryImpl$1.run(LogFactoryImpl.java:447)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.commons.logging.impl.LogFactoryImpl.loadClass(LogFactoryImpl.java:435)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:376)
... 30 more
怎么回事？如何解决？
有谁成功应用过dbforms吗？哪怕是一个小小的例子也成。
它的网站：http://jdbforms.sourceforge.net/

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