在 2012-6-26，13:11，Kiran Badi <ki...@poonam.org> 写道： > Hi All, > > While testing the pagination links ,I am getting below error, > > SEVERE: null > org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot get a connection, pool > error Timeout waiting for idle object > at > org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:114) > at > org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) > at indianads.getServicesTourDetail.doGet(getServicesTourDetail.java:106) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > at > org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > Was able to get connection > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:166) > at > org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.util.NoSuchElementException: Timeout waiting for idle object > at > org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1144) > at > org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106) > ... 24 more > > Where should I look to see as how many connection are establised on the DB > side and how many I have still that I can use ? > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org >
You can use java jmx console to monitor the number of db connections. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
