jingchh
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于 2005-10-19 11:51
请教高手配置j2ee问题: 我用tomcatPluginV3 + lomboz.3rc2+emf-sdo-runtime-I200406100948 + eclipse-SDK-3.0-win32.zip 配置的j2ee环境。服务器用的是jakarta-tomcat-5.0.28 ,在eclipse 的工具栏中启动tomcat正常。 但是我建了一个lomboz j2ee project 用下图(请看下面的方式检查jsp 语法,然后run server 但是出错,错误如下: Bootstrap: Class loader creation threw exception java.lang.ExceptionInInitializerError at org.apache.catalina.startup.ClassLoaderFactory.<clinit>(ClassLoaderFactory.java:63) at org.apache.catalina.startup.Bootstrap.initClassLoaders(Bootstrap.java:103) at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:196) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:402) Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException) (Caused by org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException)) 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.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351) at org.apache.tomcat.util.compat.JdkCompat.<clinit>(JdkCompat.java:55) ... 4 more Caused by: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException) at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397) at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529) ... 8 more Caused by: java.lang.NullPointerException at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374) ... 9 more 但是show in Browse时还能正常显示Welcome. 还请那位高人指点迷津,为什么在run server时会有异常发生。
(缩略图,点击图片链接看原图)
jingchh edited on 2005-10-19 11:57
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