HTTP Status 500 - Could not open JDBC Connection for transaction; nested exception is java.lang.NoCl

HTTP Status 500 - Could not open JDBC Connection for transaction; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/sql/SqlUtils

type Exception report

message Could not open JDBC Connection for transaction; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/sql/SqlUtils

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

exception

org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/sql/SqlUtils
org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:245)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:457)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:276)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
com.auth.aop.interceptor.DbAnnotationMethodInterceptor.invoke(DbAnnotationMethodInterceptor.java:59)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.CglibAopProxyDynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)com.xinghe.auth.service.AuthUserManagerEnhancerBySpringCGLIB$e788bdbf.getUserByLoginNameOrEmailOrMobile()
com.xinghe.auth.realm.MybatisAuthRealm.findUserByPrincipal(MybatisAuthRealm.java:40)
com.auth.provider.impl.CachedAuthRealmWrapper.findUserByPrincipal(CachedAuthRealmWrapper.java:33)
com.auth.AbstractSessionManager.login(AbstractSessionManager.java:135)
com.auth.filter.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:94)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
root cause

java.lang.NoClassDefFoundError: com/mchange/v2/sql/SqlUtils
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:164)
org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:204)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:457)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:276)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
com.auth.aop.interceptor.DbAnnotationMethodInterceptor.invoke(DbAnnotationMethodInterceptor.java:59)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.CglibAopProxyDynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)com.xinghe.auth.service.AuthUserManagerEnhancerBySpringCGLIB$e788bdbf.getUserByLoginNameOrEmailOrMobile()
com.xinghe.auth.realm.MybatisAuthRealm.findUserByPrincipal(MybatisAuthRealm.java:40)
com.auth.provider.impl.CachedAuthRealmWrapper.findUserByPrincipal(CachedAuthRealmWrapper.java:33)
com.auth.AbstractSessionManager.login(AbstractSessionManager.java:135)
com.auth.filter.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:94)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.54 logs.

Apache Tomcat/7.0.54

访问站点时前台显示的是此错误，但后台输出的是以下错误：

由于服务器被重启，错误没有再复现，目前还不清楚错误原因。