EnglishVista之家（www.vista123.com）：解决tomcat在Vista下不正常的问题
首先，我们来看下tomcat在Vista下出错的症状——
警告: Unexpected exception resolving reference
java.io.FileNotFoundException: C:Program Filestomcat6conftomcat-users.xml.new (拒绝访问。)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream. <init>(FileOutputStream.java:179)
at java.io.FileOutputStream. <init>(FileOutputStream.java:131)
at org.Apache.catalina.users.MemoryUserDatabase.save(MemoryUserDatabase.java:521)
at org.Apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:104)
at org.Apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:140)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
at org.Apache.naming.NamingContext.lookup(NamingContext.java:793)
at org.Apache.naming.NamingContext.lookup(NamingContext.java:140)
at org.Apache.naming.NamingContextBindingsEnumeration.nextElementInternal(NamingContextBindingsEnumeration.java:113)
at org.Apache.naming.NamingContextBindingsEnumeration.next(NamingContextBindingsEnumeration.java:71)
at org.Apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:137)
at org.Apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:109)
at org.Apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:81)
at org.Apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.Apache.catalina.core.StandardServer.start(StandardServer.java:703)
at org.Apache.catalina.startup.Catalina.start(Catalina.java:578)
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:597)
at org.Apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.Apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
严重: Exception looking up UserDatabase under key UserDatabase
javax.naming.NamingException: C:Program Filestomcat6conftomcat-users.xml.new (拒绝访问。)
at org.Apache.naming.NamingContext.lookup(NamingContext.java:805)
at org.Apache.naming.NamingContext.lookup(NamingContext.java:153)
at org.Apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:253)
at org.Apache.catalina.core.ContainerBase.start(ContainerBase.java:1037)
at org.Apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.Apache.catalina.core.StandardService.start(StandardService.java:516)
at org.Apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.Apache.catalina.startup.Catalina.start(Catalina.java:578)
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:597)
at org.Apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.Apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2008-10-30 13:04:17 org.Apache.catalina.startup.Catalina start
严重: Catalina.start:
LifecycleException: No UserDatabase component found under key UserDatabase
at org.Apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:261)
at org.Apache.catalina.core.ContainerBase.start(ContainerBase.java:1037)
at org.Apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.Apache.catalina.core.StandardService.start(StandardService.java:516)
at org.Apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.Apache.catalina.startup.Catalina.start(Catalina.java:578)
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:597)
at org.Apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.Apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2008-10-30 13:04:17 org.Apache.catalina.startup.Catalina start
信息: Server startup in 82 ms
原因分析：
这个问题遇到过，原因是Vista系统下c盘是对users受写保护的，那么，Windows7下面是不是也会碰到这个问题呢？
解决方法：
1、装到其他盘就没有问题了。
2、找到$TOMCAT_HOME$conf，把conf文件夹设置为完全控制
（右键属性-安全-找到当前登录名-下面选择完全控制）
保存，重启TOMCAT 。
注意：
重要的是“当前登录名”，不是“CREATOR OWNER”，也不是“Administrator”，如果没有当前用户的话，添加一个即可。
另外，启动窗口一闪而过，很有可能是环境变量没有配置。如果以上都不能解决再检查
一下JAVA和TOMCAT的环境变量配置。
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