java - How to set oracle.net.ns.SQLnetDef.TCP_CONNTIMEOUT_STR -

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i have googled , found lots of documents , web pages saying should set oracle.net.ns.sqlnetdef.tcp_conntimeout_str 3 seconds. unable locate example of how that.

is system level property can set -doracle.net.ns.sqlnetdef.tcp_conntimeout_str=3 or what? properties file? spring config example?

i have plain java application ojdbc.jar in classpath. beans configured/wired using spring xml.

<bean id="mydatasource" destroy-method="close"     class="org.apache.commons.dbcp.basicdatasource">     <property name="driverclassname" value="${my.jdbc.driverclassname}" />     <property name="url" value="${my.jdbc.url}" />      <!-- cut --> </bean>

to set oracle connection timeout @ socket level basicdatasource

1) use latest basicdatasource -> commons-dbcp-1.4.jar

2) jdbcdriver version > 10.1.0.5

  add property <property name="connectionproperties" value="oracle.jdbc.readtimeout=20000"/>

or jdbcdriver version < 10.1.0.5 

 add <property name="connectionproperties" value="oracle.net.read_timeout=20000"/>

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