为什么我的Tomcat安装后无法启动?
我在大概2个星期前安装了tomcat 5,刚开始的时候是正常的,后来不知怎么回事不能启动,现象是启动后的DOS窗口不一会儿就自动关闭。
今天下载了tomcat 4.1.24的安装版本,但是安装之后故障依旧,检查logs目录,里面有一个catalina_log.2003-04-09.txt,内容如下:
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2003-04-09 21:32:35 UserDatabaseRealm[Standalone]: Exception looking up UserDatabase under key UserDatabase
javax.naming.NamingException: The entity name must immediately follow the '&' in the entity reference.
at org.apache.naming.NamingContext.lookup(NamingContext.java:844)
at org.apache.naming.NamingContext.lookup(NamingContext.java:194)
at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:302)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1173)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
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 org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
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请问是什么问题?tomcat我不熟,装完之后什么也没有修改。