SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
Aug 07, 2015 6:20:00 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
Aug 07, 2015 6:20:00 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [] startup failed due to previous errors
Aug 07, 2015 6:20:00 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Aug 07, 2015 6:20:00 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 6:20:00 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
关键信息已标注红色，我应用的情况是web.xml只加载了springMVC。没有加载任何jdbc的东西。从日志来说是程序启动的时候注册了jdbc驱动，然后应用关闭时无法注销jdbc驱动。这里面有两个问题。
1.我的web应用为什么会无缘无故关闭？
2.关闭时为什么还要注销jdbc驱动?
5 个解决方案
#1
加载spring的时候不是会加载数据源嘛，这个应该是你的数据库连接不正确或者驱动没对。
#2
我spring加载的时候，把数据源加载撒的，都干掉了！
#3
SEVERE: The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Dispatch-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThrea
在贴点日志
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Dispatch-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThrea
在贴点日志
#4
tomcat关闭时不能释放资源，所有不让启动
#5
找出原因了。我从网上拷贝下来的tomcat压缩包不干净，里面的/ROOT/有项目，使用了jdbc驱动
#1
加载spring的时候不是会加载数据源嘛，这个应该是你的数据库连接不正确或者驱动没对。
#2
我spring加载的时候，把数据源加载撒的，都干掉了！
#3
SEVERE: The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Dispatch-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThrea
在贴点日志
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Dispatch-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@666e6d9e] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2015 5:22:19 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThrea
在贴点日志
#4
tomcat关闭时不能释放资源，所有不让启动
#5
找出原因了。我从网上拷贝下来的tomcat压缩包不干净，里面的/ROOT/有项目，使用了jdbc驱动