错误信息：Could not get JDBC Connection; nested exception is com.caucho.sql.SQLExceptionWrapper: javax.resource.ResourceException: Connection pool is full. Can't allocate connection.
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.caucho.sql.SQLExceptionWrapper: javax.resource.ResourceException: Connection pool is full. Can't allocate connection. at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:573) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:637) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:666) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:674) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:718) at cn.pconline.bbs7.dao.ForumDao.findFromDb(ForumDao.java:491) at cn.pconline.bbs7.dao.ForumDao.findFromDb(ForumDao.java:33) at cn.pconline.bbs7.dao.AbstractDao.find(AbstractDao.java:72) at cn.pconline.bbs7.dao.AbstractDao.find(AbstractDao.java:63) at cn.pconline.bbs7.dao.ForumDao.find(ForumDao.java:43) at cn.pconline.bbs7.service.ForumService.findForum(ForumService.java:112) at cn.pconline.bbs7.controller.ForumController.forum(ForumController.java:242) at sun.reflect.GeneratedMethodAccessor181.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) at javax.servlet.http.HttpServlet.service(HttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:91) at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103) at cn.pconline.bbs7.utils.EnvFilter.doFilter(EnvFilter.java:56) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at cn.pconline.util.monitor.MonitorFilter.doFilter(MonitorFilter.java:44) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at cn.pconline.bbs7.filter.CORSFilter.doFilter(CORSFilter.java:40) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:273) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682) at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:730) at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:649) at java.lang.Thread.run(Thread.java:662) Caused by: com.caucho.sql.SQLExceptionWrapper: javax.resource.ResourceException: Connection pool is full. Can't allocate connection. at com.caucho.sql.DataSourceImpl.getConnection(DataSourceImpl.java:75) at com.caucho.sql.DBPool.getConnection(DBPool.java:701) at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ... 44 more Caused by: javax.resource.ResourceException: Connection pool is full. Can't allocate connection. at com.caucho.jca.ConnectionPool.create(ConnectionPool.java:906) at com.caucho.jca.ConnectionPool.allocatePool(ConnectionPool.java:807) at com.caucho.jca.ConnectionPool.allocate(ConnectionPool.java:756) at com.caucho.jca.ConnectionPool.allocateConnection(ConnectionPool.java:567) at com.caucho.sql.DataSourceImpl.getConnection(DataSourceImpl.java:65) ... 47 more