https://www.kier.re.kr/mps/expert_search - nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
### The error may exist in file [/tmax/kierweb/WebContent/WEB-INF/classes/kr/plani/ccis/base/sqlmap/base.mapper.xml]
### The error may involve kr.plani.ccis.base.mapper.BaseMapper.readLocation
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:75)
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)
com.sun.proxy.$Proxy62.selectOne(Unknown Source)
org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:163)
org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:43)
com.sun.proxy.$Proxy71.readLocation(Unknown Source)
kr.plani.ccis.base.service.BaseService.readLocation(BaseService.java:40)
kr.plani.ccis.base.controller.BaseCommonController.setCommon(BaseCommonController.java:68)
kr.plani.ccis.mps.controller.MainMpsController.expert_search(MainMpsController.java:319)
sun.reflect.GeneratedMethodAccessor479.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
javax.servlet.http.HttpServlet.service_whxwt___internal_javax_servlet_http_HttpServlet(HttpServlet.java:683)
javax.servlet.http.HttpServlet.service(HttpServlet.java)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
javax.servlet.http.HttpServlet.service_whxwt___internal_javax_servlet_http_HttpServlet(HttpServlet.java:786)
javax.servlet.http.HttpServlet.service(HttpServlet.java)
jeus.servlet.engine.ServletWrapper.executeServlet(ServletWrapper.java:170)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:112)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
jeus.websocket.server.WebSocketFilter.doFilter(WebSocketFilter.java:42)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
kr.plani.ccis.common.SslCheckFilter.doFilter(SslCheckFilter.java:182)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
com.navercorp.lucy.security.xss.servletfilter.XssEscapeServletFilter.doFilter(XssEscapeServletFilter.java:36)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
jeus.servlet.filter.FilterChainImpl.internalDoFilter(FilterChainImpl.java:98)
jeus.servlet.filter.FilterChainImpl.doFilter(FilterChainImpl.java:86)
jeus.servlet.engine.ServletWrapper.execute(ServletWrapper.java:145)
jeus.servlet.engine.RequestProcessor.run(RequestProcessor.java:234)
jeus.util.pool.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:1299)
jeus.util.pool.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:1343)
jeus.servlet.engine.WebThreadPoolExecutor$WebRequestWorker.run(WebThreadPoolExecutor.java:341)
java.lang.Thread.run(Thread.java:750)