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我已经安装了的Cloud Foundry插件我的Grails项目，我已经成功地一次把我的项目到云，但云部署时，我试图用更新我的应用程序，错误而使用的Cloud Foundry
grails prod cf-update
命令。当我这样做，我得到以下错误：
ERROR - Application 'scheduleNew' failed to start, logs information below.
==== logs/stderr.log ====
Jan 23, 2012 2:45:02 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8963
Jan 23, 2012 2:45:02 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 378 ms
Jan 23, 2012 2:45:02 AM org.apache.catalina.realm.JAASRealm setContainer
INFO: Set JAAS app name Catalina
Jan 23, 2012 2:45:02 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jan 23, 2012 2:45:02 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.35
Jan 23, 2012 2:45:02 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Jan 23, 2012 2:45:12 AM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Jan 23, 2012 2:45:12 AM org.apache.catalina.core.StandardContext start
SEVERE: Context [] startup failed due to previous errors
Jan 23, 2012 2:45:12 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Timer-0] but has failed to stop it. This is very likely to create a memory leak.
Jan 23, 2012 2:45:12 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [[email protected]] but has failed to stop it. This is very likely to create a memory leak.
Jan 23, 2012 2:45:12 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [org.example.SecRole.data] but has failed to stop it. This is very likely to create a memory leak.
Jan 23, 2012 2:45:12 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [org.hibernate.cache.UpdateTimestampsCache.data] but has failed to stop it. This is very likely to create a memory leak.
Jan 23, 2012 2:45:12 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [org.hibernate.cache.StandardQueryCache.data] but has failed to stop it. This is very likely to create a memory leak.
==== logs/stdout.log ====
Configuring Spring Security Core ...
... finished configuring Spring Security Core
Stopping Tomcat because the context stopped.
当我再次运行相同的命令（grails prod cf-update），错误信息得到改变：
ERROR - Application 'scheduleNew' failed to start, logs information below.
==== logs/stderr.log ====
Jan 23, 2012 2:52:14 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-45003
Jan 23, 2012 2:52:14 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 379 ms
Jan 23, 2012 2:52:14 AM org.apache.catalina.realm.JAASRealm setContainer
INFO: Set JAAS app name Catalina
Jan 23, 2012 2:52:14 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jan 23, 2012 2:52:14 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.35
Jan 23, 2012 2:52:14 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
我真不明白怎么回事在这。
这些错误信息说什么？我哪里出错了？