严重: The web application [] registered the JDBC driver [com.microsoft.sqlserver.jdbc.SQLServerDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDB

idea项目启动报如下错误, 网上的方法都试了都没用, 一直没解决, 干掉项目, 重新从svn检出就好了...坑 啊

Root WebApplicationContext: initialization completed in 26484 ms
九月 14, 2018 10:15:03 上午 org.apache.catalina.core.StandardContext startInternal
严重: Error filterStart
九月 14, 2018 10:15:03 上午 org.apache.catalina.core.StandardContext startInternal
严重: Context [] startup failed due to previous errors
[INFO ] 2018-09-14 10:15:03,425: 27580 - method:org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:875)
Closing Root WebApplicationContext: startup date [Fri Sep 14 10:14:36 GMT+08:00 2018]; root of context hierarchy
[INFO ] 2018-09-14 10:15:03,428: 27583 - method:org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.stop(DefaultLifecycleProcessor.java:356)
Stopping beans in phase 2147483647
[INFO ] 2018-09-14 10:15:03,531: 27686 - method:com.alibaba.druid.pool.DruidDataSource.close(DruidDataSource.java:982)
{dataSource-2} closed
[INFO ] 2018-09-14 10:15:03,536: 27691 - method:com.alibaba.druid.pool.DruidDataSource.close(DruidDataSource.java:982)
{dataSource-1} closed
九月 14, 2018 10:15:03 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [] registered the JDBC driver [com.alibaba.druid.proxy.DruidDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
九月 14, 2018 10:15:03 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [] registered the JDBC driver [com.microsoft.sqlserver.jdbc.SQLServerDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
九月 14, 2018 10:15:03 上午 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [] created a ThreadLocal with key of type [com.microsoft.sqlserver.jdbc.ActivityCorrelator$1] (value [com.microsoft.sqlserver.jdbc.ActivityCorrelator$1@d6cb102]) and a value of type [com.microsoft.sqlserver.jdbc.ActivityId] (value [65180d39-8a49-4f34-81bb-8276a848669e-0]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
[2018-09-14 10:15:03,579] Artifact PPMSWEB:war exploded: Error during artifact deployment. See server log for details.