QueueMetrics > QueueMetrics installation

Unable to Start QueueMetrics

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jpbconsulting:
The application worked for a short period of time and now is displaying the following error when I attempt to connect:

"Errore JDBC:java.sql.SQLException: Server connection failure during transaction. Due to underlying exception: 'java.net.SocketException: java.net.ConnectException: Connection timed out'. - - ** BEGIN NESTED EXCEPTION ** - - java.net.SocketException - MESSAGE: java.net.ConnectException: Connection timed out - - STACKTRACE: - - java.net.SocketException: java.net.ConnectException: Connection timed out - at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156) - at com.mysql.jdbc.MysqlIO.(MysqlIO.java:284) - at com.mysql.jdbc.Connection.createNewIO(Connection.java:2680) - at com.mysql.jdbc.Connection.(Connection.java:1485) - at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266) - at java.sql.DriverManager.getConnection(DriverManager.java:525) - at java.sql.DriverManager.getConnection(DriverManager.java:193) - at it.loway.tpf.transaction.servlets.LowayTransactionController.serveRequest(Unknown Source) - at it.loway.tpf.transaction.servlets.LowayTransactionController.serveRequestWrapper(Unknown Source) - at it.loway.tpf.transaction.servlets.LowayTransactionController.doGet(Unknown Source) - at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) - at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) - at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) - at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) - at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) - at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) - at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) - at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) - at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) - at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) - at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) - at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) - at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) - at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) - at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) - at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) - at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) - at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) - at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) - at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) - at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) - at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799) - at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705) - at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577) - at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) - at java.lang.Thread.run(Thread.java:595) - - - ** END NESTED EXCEPTION ** - - - Attempted reconnect 3 times. Giving up."

This error occurred after rebooting the server.  Any suggestions?

QueueMetrics:
This is QM trying to connect to the MySQL server, with the MySQL server not responding - likley it's not running, or it has been moved elsewhere. Check the JDBC_URI property in your web.xml file.

jpbconsulting:
That fixed it.  The problem was resolved by adding the server name to the list of hosts for access to the database.  By default, QueueMetrics uses "localhost".  Unfortunately, the way I connect requires either "Any" or the host name to attach. 

Thank you for your help.

QueueMetrics:
 :D

fd360:
@jpbconsulting

I am new to CentOS and QM, I had similar issue after rebooting my server, I am no longer able to access QM and getting an error.

How did you exactly add localhost to the list of hosts for access to database? Please advise.


Thanks,
FD360

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