???????????????????web??????????????????????????struts??????Hibernate??????????????????????????????÷???????????????????????????????????
??????????????Щ???????????????????????????????Щ??????????÷?????????????????????Щ???????????????????2??????????????????????÷??????д????????????????????????
????????????????????÷?????????????????????????????÷??????????е?????????????????????????????????????????Tomcat??Resin?μ????á?
????Tomcat???JNDI Resource???????????????????????????????ЩResource?????????з?Χ?????????Context????????Context???е?Resource????Resource???????????Context??????????????????????
?????????????????????????????????Context?н??????????????????????????(server.xml)??

<Server port="8005" shutdown="SHUTDOWN">
<GlobalNamingResources>
<!-- ?????Ч??JDBC??? -->
<Resource name="jdbc/dlog" auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="30" maxWait="10000" defaultTransactionIsolation="1" defaultAutoCommit="false"
poolPreparedStatements="true" maxOpenPreparedStatements="1000" initialSize="1"
username="root" password="root" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/dlogcn?autoReconnect=true"/>
</GlobalNamingResources>
<!-- Define the Tomcat Stand-Alone Service -->
<Service name="Catalina">
<!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
<Connector port="8080" maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
<!-- Define the top level container in our container hierarchy -->
<Engine name="Catalina" defaultHost="localhost">
<Host name="localhost" appBase="webapps">
<Context path="" docBase="C:/PROJECTS/JAVA/DLOG4J_V3/webapp" reloadable="true">
<!-- ??Context???????JDBC??? -->
<ResourceLink name="jdbc/dlog" global="jdbc/dlog"/>
</Context>
</Host>
</Engine>
</Service>
</Server>

 

????????Tomcat?????Resin?????????Resin2????????????????

<caucho.com>
<http-server>
<http port='80'/>
<servlet-mapping url-pattern='*.xtp' servlet-name='xtp'/>
<servlet-mapping url-pattern='*.jsp' servlet-name='jsp'/>
<resource-ref res-ref-name="java:/comp/env/jdbc/dlog" res-type="javax.sql.DataSource">
<init-param driver-name="com.mysql.jdbc.Driver"/>
<init-param url="jdbc:mysql://localhost:3306/dlogcn?autoReconnect=true"/>
<init-param user="root"/>
<init-param password="moabc"/>
<init-param maxConnections="100"/>
</resource-ref>
<!-- default host if no other host matches -->
<host id=''>
<web-app id='' app-dir='C:/PROJECTS/JAVA/DLOG4J_V3/webapp' />
</host>
</http-server>
</caucho.com>
????
????????????????÷???web-app?У???????????ж????webapp????????????<host>??host?е?????web-app??????????????<http-server>?У???????resin??????webapp??????????
????(???????з???resin2????????????res-ref-nameд?jdbc/dlog????webapp?????????????????????java:/comp/env/jdbc/dlog???ɡ?)
??????????????????????????????′??????????????DataSource???
????Context initContext = new InitialContext();
????Context envContext  = (Context)initContext.lookup("java:/comp/env");
????DataSource ds = (DataSource)envContext.lookup("jdbc/dlog");
????????????÷?????????????????????·?ο??????????????á?????????????ú?????????????????????????????????????????????????????????
?????????????Tomcat??Resin????????????????Resin???????????Tomcat????????????????????????Щ