项目里遇到的错误，望高手帮忙解决
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: org.hibernate.exception.GenericJDBCException: Cannot open connection org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) org.yidongn.filter.EncodingFilter.doFilter(EncodingFilter.java:22)
root cause
org.hibernate.exception.GenericJDBCException: Cannot open connection org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) org.hibernate.loader.Loader.doQuery(Loader.java:673) org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) org.hibernate.loader.Loader.doList(Loader.java:2220) org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) org.hibernate.loader.Loader.list(Loader.java:2099) org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) org.yidongn.dao.impl.MarkerDAOImpl.queryAll(MarkerDAOImpl.java:25) org.yidongn.struts.action.TomkselectdAction.execute(TomkselectdAction.java:40) org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110) org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58) org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) org.yidongn.filter.EncodingFilter.doFilter(EncodingFilter.java:22)
root cause
org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool error Timeout waiting for idle object org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:104) org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) org.hibernate.loader.Loader.doQuery(Loader.java:673) org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) org.hibernate.loader.Loader.doList(Loader.java:2220) org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) org.hibernate.loader.Loader.list(Loader.java:2099) org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) org.yidongn.dao.impl.MarkerDAOImpl.queryAll(MarkerDAOImpl.java:25) org.yidongn.struts.action.TomkselectdAction.execute(TomkselectdAction.java:40) org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110) org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58) org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) org.yidongn.filter.EncodingFilter.doFilter(EncodingFilter.java:22)
root cause
java.util.NoSuchElementException: Timeout waiting for idle object org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:825) org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:96) org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) org.hibernate.loader.Loader.doQuery(Loader.java:673) org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) org.hibernate.loader.Loader.doList(Loader.java:2220) org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) org.hibernate.loader.Loader.list(Loader.java:2099) org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) org.yidongn.dao.impl.MarkerDAOImpl.queryAll(MarkerDAOImpl.java:25) org.yidongn.struts.action.TomkselectdAction.execute(TomkselectdAction.java:40) org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110) org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58) org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) org.yidongn.filter.EncodingFilter.doFilter(EncodingFilter.java:22)