部署战争文件时出现错误（在标题中）。
这是我得到的 catalina.out 的日志。我猜根据第一行，我需要更改 catalina.2012-11-19.log 的权限，但怎么办？（请原谅我新手的问题）。Tks
Listening for transport dt_socket at address: 50754
java.util.logging.ErrorManager: 4
java.io.FileNotFoundException: /usr/share/tomcat6/logs/catalina.2012-11-19.log (Permission denied)
at java.io.FileOutputStream.openAppend(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:207)
at java.io.FileOutputStream.<init>(FileOutputStream.java:131)
at org.apache.juli.FileHandler.openWriter(FileHandler.java:304)
at org.apache.juli.FileHandler.<init>(FileHandler.java:63)
at org.apache.juli.FileHandler.<init>(FileHandler.java:54)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at java.lang.Class.newInstance0(Class.java:372)
at java.lang.Class.newInstance(Class.java:325)
at org.apache.juli.ClassLoaderLogManager.readConfiguration(ClassLoaderLogManager.java:458)
at org.apache.juli.ClassLoaderLogManager.readConfiguration(ClassLoaderLogManager.java:403)
at org.apache.juli.ClassLoaderLogManager.readConfiguration(ClassLoaderLogManager.java:281)
at java.util.logging.LogManager$2.run(LogManager.java:278)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.logging.LogManager.readPrimordialConfiguration(LogManager.java:276)
at java.util.logging.LogManager.getLogManager(LogManager.java:259)
at java.util.logging.Logger.<init>(Logger.java:245)
at java.util.logging.LogManager$RootLogger.<init>(LogManager.java:1106)
at java.util.logging.LogManager$RootLogger.<init>(LogManager.java:1103)
at java.util.logging.LogManager$1.run(LogManager.java:199)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.logging.LogManager.<clinit>(LogManager.java:176)
at java.util.logging.Logger.getLogger(Logger.java:307)
at org.apache.juli.logging.DirectJDKLog.<init>(DirectJDKLog.java:71)
at org.apache.juli.logging.DirectJDKLog.getInstance(DirectJDKLog.java:178)
at org.apache.juli.logging.LogFactory.getInstance(LogFactory.java:171)
at org.apache.juli.logging.LogFactory.getInstance(LogFactory.java:243)
at org.apache.juli.logging.LogFactory.getLog(LogFactory.java:298)
at org.apache.catalina.startup.Bootstrap.<clinit>(Bootstrap.java:55)