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From Adam Hardy <ahardy.str...@cyberspaceroad.com>
Subject Re: Using jndi to get a DBCP BasicDataSource give ClassCastException
Date Fri, 05 Sep 2003 15:02:47 GMT
And that was with the GlobalResourceLinK???? That doesn't make sense! If 
you get BasicDataSource as the class's name, then you won't get a 
ClassCastException if you try to cast it to that, but you did, so.... 
er..... wow, you've got me stumped.

On 09/05/2003 02:31 PM Angus Mezick wrote:
> I did an I got BasicDataSource.
> --Angus
> 
> 
>>-----Original Message-----
>>From: Adam Hardy [mailto:ahardy.struts@cyberspaceroad.com] 
>>Sent: Friday, September 05, 2003 4:19 AM
>>To: Tomcat Users List
>>Subject: Re: Using jndi to get a DBCP BasicDataSource give 
>>ClassCastException
>>
>>
>>Hi Angus,
>>looked at your first mail and couldn't see anything wrong 
>>with it. I can 
>>only suggest that you do some debugging, like output the 
>>.getClass().getName() from the datasource, to see what it 
>>really thinks 
>>it is.
>>
>>Adam
>>
>>On 09/04/2003 10:27 PM Angus Mezick wrote:
>>
>>>Anyone have a clue as to whether or not this is a Real bug, 
>>
>>or am I just
>>
>>>screwing something up?
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: Angus Mezick 
>>>>Sent: Wednesday, September 03, 2003 4:32 PM
>>>>To: tomcat-user@jakarta.apache.org
>>>>Subject: Using jndi to get a DBCP BasicDataSource give 
>>>>ClassCastException
>>>>
>>>>
>>>>I am having problems with the GlobalNamingResources.  If I 
>>>>put my two DB
>>>>resource entries into the GlobalNamingResources section and just use
>>>>Resource-Links to access them I cannot cast from DataSource to
>>>>BasicDataSource.. I need to do this to use this line in my 
>>
>>monitoring
>>
>>>>app: (I can still use the Datasources to get talk to the 
>>
>>DB, just not
>>
>>>>recast it from the interface to the concrete class)
>>>>
>>>>pageContext.getOut().println(" jdbc/CommerceDB:  Active: " +
>>>>((BasicDataSource)ds).getNumActive() + " Idle: " +
>>>>((BasicDataSource)ds).getNumIdle() + "<br>");
>>>>
>>>>If I define the resources directly in the Context everything 
>>>>works fine.
>>>>ARGH!  Here is my server.xml snippets:
>>>>
>>>>	<GlobalNamingResources>
>>>>		<Resource name="jdbc/SessionDBGlobal" auth="Container"
>>>>			type="javax.sql.DataSource"/>
>>>>		<Resource name="jdbc/CommerceDBGlobal" auth="Container"
>>>>			type="javax.sql.DataSource"/>
>>>>		<ResourceParams name="jdbc/SessionDBGlobal">
>>>>			<parameter>
>>>>				<name>factory</name>
>>>>	
>>>><value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxActive</name>
>>>>				<value>100</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxIdle</name>
>>>>				<value>5</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxWait</name>
>>>>				<value>10000</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>username</name>
>>>>				<value></value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>password</name>
>>>>				<value></value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>driverClassName</name>
>>>>				<value>com.inet.tds.TdsDriver</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>url</name>
>>>>				<value>jdbc:inetdae7a:IPADDR</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>validationQuery</name>
>>>>				<value>select top 1 name from
>>>>syscolumns</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>removeAbandoned</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>removeAbandonedTimeout</name>
>>>>				<value>300</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>logAbandoned</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>	
>>>><name>timeBetweenEvictionRunsMillis</name>
>>>>				<value>60000</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>testOnBorrow</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>testWhileIdle</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>		</ResourceParams>
>>>>		<ResourceParams name="jdbc/CommerceDBGlobal">
>>>>			<parameter>
>>>>				<name>factory</name>
>>>>	
>>>><value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxActive</name>
>>>>				<value>100</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxIdle</name>
>>>>				<value>5</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>maxWait</name>
>>>>				<value>10000</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>username</name>
>>>>				<value></value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>password</name>
>>>>				<value></value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>driverClassName</name>
>>>>				<value>com.inet.tds.TdsDriver</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>url</name>
>>>>				<value>jdbc:inetdae7a:IPADDR</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>validationQuery</name>
>>>>				<value>select top 1 name from
>>>>syscolumns</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>removeAbandoned</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>removeAbandonedTimeout</name>
>>>>				<value>300</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>logAbandoned</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>	
>>>><name>timeBetweenEvictionRunsMillis</name>
>>>>				<value>60000</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>testOnBorrow</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>			<parameter>
>>>>				<name>testWhileIdle</name>
>>>>				<value>true</value>
>>>>			</parameter>
>>>>		</ResourceParams>
>>>>	</GlobalNamingResources>
>>>>
>>>>---- 8< ---- 8<  ----
>>>>			<Host name="wwwHOST_NAME.guidestar.net"
>>>>debug="1"
>>>>				appBase="/Guidestar/" unpackWARs="true"
>>>>autoDeploy="true">
>>>>				<Logger
>>>>className="org.apache.catalina.logger.FileLogger"
>>>>					directory="logs"
>>>>prefix="wwwHOST_NAME_log." suffix=".txt"
>>>>					timestamp="true"/>
>>>>				<Context path="" reloadable="true"
>>>>	
>>>>docBase="C:\GuideStar\GsMain\web"
>>>>	
>>>>workDir="C:\GuideStar\GsMain\web\work\org\apache\jsp"
>>>>					debug="1">
>>>>					<Manager
>>>>	
>>>>className="org.apache.catalina.session.JdbcSessionManager"
>>>>						debug="1"
>>>>maxInactiveInterval="1800" maxIdleSwap="-1"
>>>>						maxIdleBackup="-1"
>>>>checkInterval="60"
>>>>						useDirtyFlag="true"
>>>>reaper="yes">
>>>>					</Manager>
>>>>					<InstanceListener>
>>>>	
>>>>org.apache.catalina.session.JdbcSessionInstanceListener</Insta
>>>>nceListene
>>>>r>
>>>>					<Loader
>>>>className="org.apache.catalina.loader.DevLoader"
>>>>						reloadable="true"
>>>>debug="1"/>
>>>>					<ResourceLink
>>>>name="jdbc/SessionDB"
>>>>	
>>>>global="jdbc/SessionDBGlobal"
>>>>	
>>>>type="javax.sql.DataSource"/>
>>>>					<ResourceLink
>>>>name="jdbc/CommerceDB"
>>>>	
>>>>global="jdbc/CommerceDBGlobal"
>>>>	
>>>>type="javax.sql.DataSource"/>
>>>>				</Context>
>>>>			</Host>
>>>>		</Engine>
>>>>	</Service>
>>>></Server>
>>>>
>>>>------------------------------------------------------------
>>
>>---------
>>
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>>>>
>>>>
>>>
>>>
>>>
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>>
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>>>
>>>
>>
>>-- 
>>struts 1.1 + tomcat 4.1.27 + java 1.4.2
>>Linux 2.4.20 RH9
>>
>>
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>>
>>
> 
> 
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-- 
struts 1.1 + tomcat 4.1.27 + java 1.4.2
Linux 2.4.20 RH9


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