[急]缓存报错，内测也溢出问题?报错

使用jeesite开发的，然后报出内存溢出还有这个缓存 ，看不太懂了 求大佬指教一下

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2018-06-28 14:48:46,925 [http-apr-8089-exec-2] ERROR [org.apache.shiro.web.servlet.AbstractShiroFilter] - session.touch() method invocation has failed.  Unable to updatethe corresponding session's last access time based on the incoming request.
org.apache.shiro.cache.CacheException: java.lang.OutOfMemoryError: PermGen space
	at org.apache.shiro.cache.ehcache.EhCache.put(EhCache.java:105)
	at org.apache.shiro.session.mgt.eis.CachingSessionDAO.cache(CachingSessionDAO.java:247)
	at org.apache.shiro.session.mgt.eis.CachingSessionDAO.cache(CachingSessionDAO.java:235)
	at org.apache.shiro.session.mgt.eis.CachingSessionDAO.update(CachingSessionDAO.java:280)
	at org.apache.shiro.session.mgt.DefaultSessionManager.onChange(DefaultSessionManager.java:212)
	at org.apache.shiro.session.mgt.AbstractNativeSessionManager.touch(AbstractNativeSessionManager.java:193)
	at com.thinkgem.jeesite.common.security.shiro.session.SessionManager.touch(SessionManager.java:115)
	at org.apache.shiro.session.mgt.DelegatingSession.touch(DelegatingSession.java:120)
	at org.apache.shiro.session.ProxiedSession.touch(ProxiedSession.java:100)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.updateSessionLastAccessTime(AbstractShiroFilter.java:315)
	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:364)
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2555)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2544)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.OutOfMemoryError: PermGen space

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