tomcat在Vista下不正常！

Vista下的tomcat启动不了！单独启动一闪而过！以下是在Myeclipse下的启动日志：
高手帮帮我！谢谢！

2008-10-30 13:04:17 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_10\bin;C:\Program Files\tomcat6\bin
2008-10-30 13:04:17 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2008-10-30 13:04:17 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 657 ms
2008-10-30 13:04:17 org.apache.naming.NamingContext lookup
警告: Unexpected exception resolving reference
java.io.FileNotFoundException: C:\Program Files\tomcat6\conf\tomcat-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 Files\tomcat6\conf\tomcat-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

看起来像是这个文件C:\Program Files\tomcat6\conf\tomcat-users.xml.new有问题应该是tomcat-users.xml这个文件名啊，怎么多一个.new？

试着将端口号改为18080

它要重写文件，没权限，删了tomcat-users.xml，让它重新建立一个