Rajasundaram Gopalan [http://community.jboss.org/people/rajasundaram] created the discussion "Connection Pool Oracle 10g Jboss 4.2.3 GA problem" To view the discussion, visit: http://community.jboss.org/message/579290#579290 -------------------------------------------------------------- Connection Pool when connections are available in the pool still it creates new connections. We checked the database sessions only 5 sessions are active but in the connection pool there are 20 connections. Environment Jboss 4.2.3 GA Oracle 10g no-tx-support - oracle-ds.xml <datasources>   <no-tx-datasource>     <jndi-name>DSNAME</jndi-name>     <connection-url>jdbc:oracle:thin:@HOST:1522:SERVICE_NAME</connection-url>     <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>     <user-name>USER</user-name>     <password>PASS</password>     <min-pool-size>1</min-pool-size>      <max-pool-size>30</max-pool-size>      <query-timeout>60</query-timeout>     <track-statements>true</track-statements>     <idle-timeout-minutes>5</idle-timeout-minutes>     <!-- Uses the pingDatabase method to check a connection is still valid before handing it out from the pool -->     <valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name>     <!-- Checks the Oracle error codes and messages for fatal errors -->     <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>         <!-- sql to call when connection is created -->         <new-connection-sql>select * from dual</new-connection-sql>         <!-- sql to call on an existing pooled connection when it is obtained from pool - the OracleValidConnectionChecker is prefered -->         <check-valid-connection-sql>select * from dual</check-valid-connection-sql>       <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->       <metadata>          <type-mapping>Oracle9i</type-mapping>       </metadata>   </no-tx-datasource> </datasources> Advance thanks for your help -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/579290#579290] Start a new discussion in Datasource Configuration at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]