急、麻烦看一下什么问题。

[weixin_38249218]

HTTP Status 500 - java.lang.reflect.InvocationTargetException

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type Exception report

message java.lang.reflect.InvocationTargetException

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

exception

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
cn.itcast.servlet.BaseServlet.service(BaseServlet.java:60)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)


root cause

java.lang.reflect.InvocationTargetException
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)


root cause

java.lang.RuntimeException: java.sql.SQLException: Connections could not be acquired from the underlying database!
cn.itcast.goods.user.service.UserService.login(UserService.java:62)
cn.itcast.goods.user.web.servlet.UserServlet.login(UserServlet.java:332)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)


root cause

java.sql.SQLException: Connections could not be acquired from the underlying database!
com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:615)
com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
cn.itcast.jdbc.JdbcUtils.getConnection(JdbcUtils.java:43)
cn.itcast.jdbc.TxQueryRunner.query(TxQueryRunner.java:22)
cn.itcast.goods.user.dao.UserDao.findByLoginnameAndLoginpass(UserDao.java:53)
cn.itcast.goods.user.service.UserService.login(UserService.java:60)
cn.itcast.goods.user.web.servlet.UserServlet.login(UserServlet.java:332)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)


root cause

com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1406)
com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:594)
com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:514)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:681)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:608)
com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
cn.itcast.jdbc.JdbcUtils.getConnection(JdbcUtils.java:43)
cn.itcast.jdbc.TxQueryRunner.query(TxQueryRunner.java:22)
cn.itcast.goods.user.dao.UserDao.findByLoginnameAndLoginpass(UserDao.java:53)
cn.itcast.goods.user.service.UserService.login(UserService.java:60)
cn.itcast.goods.user.web.servlet.UserServlet.login(UserServlet.java:332)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)


note The full stack trace of the root cause is available in the Apache Tomcat/7.0.57 logs.

[李德胜1995]

检查好数据库连接的配置。。。。

[MonkeyHou0529]

你看看你的连接池配好没有？