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https://issues.apache.org/jira/browse/DBCP-435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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denixx baykin updated DBCP-435:
-------------------------------
Attachment: commons-dbcp2-friendly-BasicDataSourceFactory.patch
Patched BasicDataSourceFactory, site
> [PATCH] Friendly BasicDataSourceFactory
> ---------------------------------------
>
> Key: DBCP-435
> URL: https://issues.apache.org/jira/browse/DBCP-435
> Project: Commons Dbcp
> Issue Type: Improvement
> Affects Versions: Nightly Builds
> Environment: commons-dbcp2, Tomcat 8
> Reporter: denixx baykin
> Priority: Critical
> Labels: friendly, patch
> Fix For: Nightly Builds
>
> Attachments: commons-dbcp2-friendly-BasicDataSourceFactory.patch
>
>
> I wish to make DBCP2 main component (BasicDataSourceFactory) more friendly.
> This is a component which end user faces in Tomcat, when he tries to
> configure DataSource in Tomcat.
> I think factory should help user (in our case it is administrators) to
> understand, that he make a mistake in configuration.
> Tested with Tomcat 8 from trunk.
> Properly configured Resource in context.xml or server.xml will leave nothing
> in logs:
> {code:xml}<Resource name="jdbc/MySql"
> type="javax.sql.DataSource"
> validationQuery="SELECT 1"
> timeBetweenEvictionRunsMillis="30000"
> maxTotal="20"
> maxIdle="10"
> minIdle="1"
> maxWaitMillis="2000"
> initialSize="20"
> removeAbandonedTimeout="60"
> removeAbandonedOnMaintenance="true"
> logAbandoned="true"
> minEvictableIdleTimeMillis="30000"
> username="admin"
> password="megapassword"
> driverClassName="com.mysql.jdbc.Driver"
> url="jdbc:mysql://localhost:3306/new_schema"/>{code}
> But filling something wrong will output warnings to logfiles (stderr and
> logger):
> {code:xml}<Resource name="jdbc/MySql"
> auth="Container"
> factory="org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory"
> type="javax.sql.DataSource"
> validationQuery="SELECT 1"
> validationInterval="30000"
> timeBetweenEvictionRunsMillis="30000"
> maxActive="20"
> maxIdle="10"
> minIdle="1"
> maxWait="20000"
> initialSize="20"
> removeAbandonedTimeout="60"
> removeAbandoned="true"
> logAbandoned="true"
> minEvictableIdleTimeMillis="30000"
> jmxEnabled="true"
>
> jdbcInterceptors="org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer"
> username="admin"
> password="megapassword"
> driverClassName="com.mysql.jdbc.Driver"
> url="jdbc:mysql://localhost:3306/new_schema"/>{code}
> logfile output:
> {noformat}13-Feb-2015 15:30:44.178 WARNING [main]
> org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance
> WARNING! Property maxActive is not used since DBCP2, use maxTotal instead.
> maxTotal default value is 8. You have set value of "20" for "maxActive"
> property
> WARNING! Property removeAbandoned is not used since DBCP2, use one or both of
> removeAbandonedOnBorrow or removeAbandonedOnMaintenance instead. Both have
> default value set to false. You have set value of "true" for
> "removeAbandoned" property
> WARNING! Property maxWait is not used in DBCP (it's a Tomcat JDBC pool
> feature), use maxWaitMillis instead. maxWaitMillis default value is -1. You
> have set value of "20000" for "maxWait" property
> WARNING! Property validationInterval is not used in DBCP, it's a Tomcat JDBC
> pool feature. Ignoring. You have set value of "30000" for
> "validationInterval" property
> WARNING! Property jdbcInterceptors is not used in DBCP, it's a Tomcat JDBC
> pool feature. Ignoring. You have set value of
> "org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer"
> for "jdbcInterceptors" property
> WARNING! Property jmxEnabled is not used in DBCP, it's a Tomcat JDBC pool
> feature. Ignoring. You have set value of "true" for "jmxEnabled" property
> INFO. Ignoring unknown property: value of "Container" for "auth" property
> INFO. Ignoring unknown property: value of
> "org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory" for "factory"
> property{noformat}
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