servlet 项目 ,,启动没问题,,但是,一请求也面就报错误。。。。求解决。。。。。。。。。。。。。各种百度,都没解决了啊。。。。。急急急急急急急急急急急急急急急急急急
信息: Server startup in 1674 ms
log4j:WARN No appenders could be found for logger (com.mchange.v2.log.MLog).
log4j:WARN Please initialize the log4j system properly.
2015-6-4 23:52:40 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [CategoryServlet] in context with path [/goods] threw exception
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at cn.itcast.servlet.BaseServlet.service(BaseServlet.java:60)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
... 20 more
Caused by: java.lang.RuntimeException: java.sql.SQLException: Connections could not be acquired from the underlying database!
at cn.itcast.goods.category.service.CategoryService.findAll(CategoryService.java:87)
at cn.itcast.goods.category.web.servlet.CategoryServlet.findAll(CategoryServlet.java:31)
... 25 more
Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:615)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at cn.itcast.jdbc.JdbcUtils.getConnection(JdbcUtils.java:43)
at cn.itcast.jdbc.TxQueryRunner.query(TxQueryRunner.java:30)
at cn.itcast.goods.category.dao.CategoryDao.findAll(CategoryDao.java:69)
at cn.itcast.goods.category.service.CategoryService.findAll(CategoryService.java:85)
... 26 more
Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1406)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:594)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:514)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:681)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:608)
... 31 more
最新文章
- samba共享目录
- app名字后面的描述怎么加?
- C# 静态方法和非静态方法
- jq 获取除节假日与周六日 外的日期 和 星期
- MVC、ORM、CURD、ActiveRecord、单一入口的概念
- 通过tracing技术来教授操作系统
- 【Web前沿技术】纯 CSS3 打造的10个精美加载进度条动画
- Shell中特殊的变量
- Android下QQ空间查看大图特效
- 【Dev Club 分享】腾讯验证码的十二年
- C# 制作Windows服务安装包
- 开发wordpress主题
- UVAlive 3708 Graveyard(最优化问题)
- CancellationTokenSource 和 CancellationToken 取消线程
- 创建JUtil
- Docker部署Nginx并修改配置文件
- Java 元编程及其应用
- [Docker]CentOS7下Docker安装教程
- 「SDOI2016」储能表(数位dp)
- 2018.12.19 atcoder Iroha and a Grid(组合数学)
热门文章
- 有感,懂市场比懂产品重要,懂产品比懂技术重要——想起凡客诚品和YY语音了
- Linux 查看磁盘分区、文件系统、使用情况的命令和相关工具介绍
- 关于下拉刷新你是否真的非常理解还是只会搬砖?附 Android 实例子源代码文件下载地址380个合集
- Bzoj 1222: [HNOI2001]产品加工 动态规划
- Xmpp integration with Asterisk
- 324. Wiggle Sort II
- ELK初学搭建(logstash)
- 移动设备、手机浏览器Javascript滑动事件代码
- JAVA去掉字符串前面的0
- HDU 2069 Coin Change