tomcat connection pool monitoring

First, to modify the remote host (Linux) related files to be accessed, this document only describes the JMX mode of JAVA-JVISUALVM:1. Open $catalina_home/bin/startup.sh and find the penultimate line (that is, exec "$PRGDIR"/"$EXECUTABLE" start "[email protected]" line above) and add the following:Export catalina_opts= "$CATALINA _opts-dcom.sun.management.jmxremote-djava.rmi.server.hostname=192.168.*.*- Dcom.sun.management.jmxremote.port=7003-dcom.sun.management.jmxremote.ssl=false- dcom.sun.mana

now Tomcat is using the default Apache DBCP connection pool for the company framework. This kind of connection pool is from the Noble Apache Foundation. But the word of mouth is not very good, in the new version of Hibernate has abandoned the support for DBCP, replaced by C3

The default WebLogic is not to record this leak log, only to report JDBC errors. The following part of the reprint, part of the actual encounter, but the resolution of the same steps, the original address: http://blog.csdn.net/esky2000/archive/2008/07/22/2689929.aspx 1, modify Login to WebLogic console,%domain%-> Services-> JDBC-> Connection Pools-> Jdbc/ioa Configuration page-> Connection, click to open Ad

Break through the JNDI connection poolAfter several days of hard work, I can finally connect to the connection pool. I have referred to many of my posts on this topic. Now I have written several issues that have occurred over the past few days here:I. put the three JDBC drivers under tomcat_home/common (yes). You can download them from the Microsoft website. The

Druid in the field of connection pool can be said to be relatively fire, Alibaba open source of the JDBC connection pool, monitoring components, the following is a brief introduction to it. It consists of three parts: Druiddriver Agent driver, can provide the plug-in system

1. Turn off the firewall:/etc/init.d/iptables stop2. Start the remote JSTATD2.1 Configure Java Secure Access, save the following code as a file Jstatd.all.policy (name random), but put it in Java_home/bin, the content is as follows,Grant CodeBase "file:${java.home}/. /lib/tools.jar "{permission java.security.AllPermission;};2.2 Enter into Java_home/bin, save the following code as file startjstatd.sh, and give execute permissionchmod 777 startjstatd.shView the contents of the file as shown in: (T

exclusive all database resources.• Unified connection Management to avoid database connection leaks:In a more complete database connection pool implementation, it is possible to forcibly reclaim the occupied connection based on the pre-occupancy timeout setting, thus avoidi

SpringBoot integrates Mybatis with Druid database connection pool, springbootmybatis The following example shows how spring boot integrates Mybatis with Druid database connection pool. Add the following dependencies to the SpringBoot project: In the resource Directory, create the jdbc. properties configuration file an

You want to increase the test/validation of connections in the connection pool to prevent the database from thinking that the connection is dead and that the Web application server thinks the connection is still valid in the "Timeout problem with connector/j connection to My

Now that the connection to the database is not used very rarely, each project group may have its own database connection pool component, and each container provider also provides its own database connection pool, which is described below for

1. Tomcat directory structureTomcat is typically used for Java applications, and Apache is typically used for PHPBin folder (startup file):Configuration monitoring and the like is in the catalina.shConf folder (config file):2, server.xml configuration file descriptionconnectiontimeout= "20000" → connection time-out 20sredirectport= "8443"/>Maxthreads= "minspareth

1. In the last row of $ catalina_home/bin/startup. Sh (that isExec "$ prgdir"/"$ executable" start "[email protected]"Line above) Add the following content: Export catalina_opts ="$ CATALINA_OPTS-Dcom.sun.management.jmxremote-djava. RMI. server. hostname = 192.168.1.130-DCOM. sun. management. jmxremote. port = 7003-DCOM. sun. management. jmxremote. SSL = false-DCOM. sun. management. jmxremote. authenticate = true-DCOM. sun. management. jmxremote. password. file = .. /CONF/jmxremote. password-DC

DBCP (database connection pool), DB connection pool. is a Java Connection pool project on Apache and a connection pool component used by

Use JNDI access to connection pools for data sources, Java messaging services, mail sessions, and URL connections Understanding JNDI JNDI is an application programming interface (API) or library that provides an application with methods to associate names with objects and to find objects in the directory based on the name of the object. This article is the first part of a series of tutorials that will give you an idea of how Geronimo, Jndi, and data

Cannot get a connection, pool exhausted solution yesterday looked at the database connection pool, there are many open source connection pool, in order to facilitate the use of Tomcat w

From: http://hi.baidu.com/lanruijin/blog/item/b57938d1267e19d2562c8453.htmlTaking Tomcat + MYSQL as an example, Hibernate has two ways to connect to the database: 1. The database connection pool managed by hibernate 2. hibernate uses the connection pool configured by the cur

operations are still worthwhile). After using the connection pool, the performance has increased significantly (prepareStatement is not used for soft parsing of pre-compiled statements, all hard code for SQL statements, and poolPreparedStatements buffering is not enabled ). The database connection pool is directly com

Take TOMCAT7 as an example:1. Tomcat launched as a Windows service, double-click the Tomcat installation directory under Tomcat7w.exe, and under Java-java options, add configuration parameters:-dcom.sun.management.jmxremote-dcom.sun.management.jmxremote.port=9000-dcom.sun.management.jmxremote.ssl=false-dcom.sun.management.jmxremote.authenticate=falseTo start the Tomcat