不清楚是那里配置错误了~ 突然间在resin 的stderr。log 文件打出很多错误信息~：
Using Resin(R) Open Source under the GNU Public License (GPL).
See http://www.caucho.com for information on Resin Professional,
including caching, clustering, JNI acceleration, and OpenSSL integration.
conf/resin.conf:253: root-directory="." is an unexpected attribute in <web-app>.
'active-wait-time', 'allow-servlet-el', 'archive-path', 'case-insensitive', 'character-encoding', 'config-file', 'context-path', 'cookie-http-only', 'dependency-check-interval', 'dispatch-wraps-filters', 'distributable', 'document-directory', 'idle-time', 'inherit-session', 'lazy-init', 'lazy-servlet-validate', 'redeploy-check-interval', 'redeploy-mode', 'secure', 'shutdown-wait-max', 'startup-mode', 'strict-mapping', 'temp-dir' or 'work-dir' are expected.
<web-app> syntax: ((@id | @url-prefix | <url-prefix> | @url-regexp | <url-regexp>),
( (@context-path | <context-path>)?
& (@document-directory | <document-directory>)?
& <prologue>?
& (@startup-mode | <startup-mode>)?),
(<authenticator>*
& (@case-insensitive | <case-insensitive>)?
& (@character-encoding | <character-encoding>)?
& <class-loader>*
& <cluster-definition>*
& <connector>*
& <ejb-server>*
& <env-entry>*
& <database>*
& <dependency>*
& (@dependency-check-interval | <dependency-check-interval>)?
& <grant>*
& <rcore:import>*