Bootstrap: Class loader creation threw exception
java.lang.ExceptionInInitializerError
at org.apache.catalina.loader.StandardClassLoader.<clinit>(StandardClassLoader.java:207)
at org.apache.catalina.startup.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:189)
at org.apache.catalina.startup.Bootstrap.createClassLoader(Bootstrap.java:160)
at org.apache.catalina.startup.Bootstrap.initClassLoaders(Bootstrap.java:104)
at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:193)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:399)
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)
... 6 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)
... 10 more
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
... 11 more
java.lang.ExceptionInInitializerError
at org.apache.catalina.loader.StandardClassLoader.<clinit>(StandardClassLoader.java:207)
at org.apache.catalina.startup.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:189)
at org.apache.catalina.startup.Bootstrap.createClassLoader(Bootstrap.java:160)
at org.apache.catalina.startup.Bootstrap.initClassLoaders(Bootstrap.java:104)
at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:193)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:399)
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)
... 6 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)
... 10 more
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
... 11 more
解决方案 »
- java自学 : 一直报空指针异常,求解释
- JAVAEE API
- java编程问题
- flash怎么和jsp交互?
- hibernate一对多关联List,删除节点时报错
- hibernate怎么插入大文本信息
- 如何用xfire开发webservice,用Map做参数。找了好久都没有找到实例。
- 【解惑】java nio的selector原理及非阻塞用途
- 我想学习一下tomcat的源代码
- 我现在装啦JBX,请问如果是连SQLserver要装那个版本的JDBC驱动程序才有效呢??谢谢啦
- 在jbuilder中怎么将一个发布成rpc的web service 改成document,详细如下
- Java具有能像IE一样正确解释XML/XSL/HTML/JavaScript的组件吗?
eclipse中导入commons-el.jar即可,如果没有的话到
http://jakarta.apache.org 的commons-xxx 下去down一个
建议你用eclipse2.1.2
因为3不稳定
sagittarius1979(花开花落 流水无声) 老兄说的也很有道理,用tomcatpluginV3建立的tomcat project是不包含el的,如果代码里用了el,当然会报错。