启动tomcat就会报错?报错

九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/jeecg] 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 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/jeecg] registered the JDBC driver [oracle.jdbc.driver.OracleDriver] 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 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [net.sf.ehcache.CacheManager@446f0759] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [Replication Thread] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [Replication Thread] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [dictCache.data] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [eternalCache.data] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-1] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-2] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-4] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-5] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-6] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-7] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-8] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-9] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/jeecg] appears to have started a thread named [schedulerFactory_Worker-10] but has failed to stop it. This is very likely to create a memory leak.
九月 20, 2016 5:54:27 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads

SEVERE: The web application [/jeecg] appears to have started a thread named [cycleTestThread] but has failed to stop it. This is very likely to create a memory leak.

以上是运行时报的错误，找了很多 都是说是 内存溢出 修改 eclipse.ini

-Xms40m
-Xmx1024m

tomcat 

-xx:PermSize=64m  -xx:maxpermSize=1024m

都是内存溢出   我使用的电脑是6G内存的理论上来说不至于内存不足求大神帮忙解决