type Exception report

message Filtered request failed.

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Filtered request failed.
	org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:384)
	org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
root cause

org.apache.shiro.cache.CacheException: net.sf.ehcache.CacheException: java.io.OptionalDataException
	org.apache.shiro.cache.ehcache.EhCache.get(EhCache.java:85)
	org.apache.shiro.session.mgt.eis.CachingSessionDAO.getCachedSession(CachingSessionDAO.java:217)
	org.apache.shiro.session.mgt.eis.CachingSessionDAO.getCachedSession(CachingSessionDAO.java:202)
	org.apache.shiro.session.mgt.eis.CachingSessionDAO.readSession(CachingSessionDAO.java:259)
	org.apache.shiro.session.mgt.DefaultSessionManager.retrieveSessionFromDataSource(DefaultSessionManager.java:236)
	org.apache.shiro.session.mgt.DefaultSessionManager.retrieveSession(DefaultSessionManager.java:222)
	org.apache.shiro.session.mgt.AbstractValidatingSessionManager.doGetSession(AbstractValidatingSessionManager.java:118)
	org.apache.shiro.session.mgt.AbstractNativeSessionManager.lookupSession(AbstractNativeSessionManager.java:108)
	org.apache.shiro.session.mgt.AbstractNativeSessionManager.getSession(AbstractNativeSessionManager.java:100)
	org.apache.shiro.mgt.SessionsSecurityManager.getSession(SessionsSecurityManager.java:125)
	org.apache.shiro.mgt.DefaultSecurityManager.resolveContextSession(DefaultSecurityManager.java:456)
	org.apache.shiro.mgt.DefaultSecurityManager.resolveSession(DefaultSecurityManager.java:442)
	org.apache.shiro.mgt.DefaultSecurityManager.createSubject(DefaultSecurityManager.java:338)
	org.apache.shiro.subject.Subject$Builder.buildSubject(Subject.java:846)
	org.apache.shiro.web.subject.WebSubject$Builder.buildWebSubject(WebSubject.java:148)
	org.apache.shiro.web.servlet.AbstractShiroFilter.createSubject(AbstractShiroFilter.java:292)
	org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:359)
	org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
root cause

net.sf.ehcache.CacheException: java.io.OptionalDataException
	net.sf.ehcache.store.disk.DiskStorageFactory.retrieve(DiskStorageFactory.java:891)
	net.sf.ehcache.store.disk.Segment.decodeHit(Segment.java:182)
	net.sf.ehcache.store.disk.Segment.get(Segment.java:225)
	net.sf.ehcache.store.disk.DiskStore.fault(DiskStore.java:210)
	net.sf.ehcache.store.CacheStore$4.call(CacheStore.java:198)
	net.sf.ehcache.store.CacheStore$4.call(CacheStore.java:192)
	net.sf.ehcache.store.cachingtier.OnHeapCachingTier$Fault.get(OnHeapCachingTier.java:334)
	net.sf.ehcache.store.cachingtier.OnHeapCachingTier$Fault.access$200(OnHeapCachingTier.java:311)
	net.sf.ehcache.store.cachingtier.OnHeapCachingTier.get(OnHeapCachingTier.java:175)