https://bz.apache.org/bugzilla/show_bug.cgi?id=58610

            Bug ID: 58610
           Summary: Oracle DB connections not releasing from connection
                    pool in Tomcat 8
           Product: Tomcat 8
           Version: 8.0.26
          Hardware: PC
            Status: NEW
          Severity: major
          Priority: P2
         Component: Manager
          Assignee: dev@tomcat.apache.org
          Reporter: rajakarunan...@gmail.com

We are migrating Tomcat6, java 6 and Oracle 10g web-applications to Tomcat 8,
Java 8 and Oracle 10g. Our applications working fine after migrated, but
initial connections (initialSize="5") available in connection pool not released
after Tomcat shut down. When second time starting tomcat, its creating 5 more
initial connections to pool. I am using below resource configuration in
server.xml

<Resource name="TestAppDataSource" auth="Container"
    factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
    type="javax.sql.DataSource" driverClassName="oracle.jdbc.OracleDriver"
    initialSize="5" maxActive="40" maxIdle="40" minIdle="5"
    timeBetweenEvictionRunsMillis="30000" minEvictableIdleTimeMillis="30000"
    maxWait="10000" testWhileIdle="true" testOnBorrow="true"
testOnReturn="false"
    validationQuery="SELECT 1 from dual" validationInterval="30000" 
    logAbandoned="true" removeAbandonedTimeout="30"
    removeAbandonedOnBorrow="true" removeAbandonedOnMaintenance="true"
    suspectTimeout="300" maxAge="60000"
    url="jdbc:oracle:thin:@//IP_ADDRESS:1521/SCHEMA_NAME"
    username="USER_NAME" password="PASSWORD"
/>
And below resource link configuration in application META_INF/context.xml

<ResourceLink
    name="APP_TEST" global="TestAppDataSource" 
    type="javax.sql.DataSource"
/>
I am using ojdbc7.jar for oracle driver. Please help whether i missed any
configuration..

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