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From Edoardo Panfili <edoa...@aspix.it>
Subject Re: How to close open connections after application stop?
Date Sun, 22 Feb 2009 15:18:35 GMT
Edoardo Panfili ha scritto:
> Mark Thomas ha scritto:
>> Edoardo Panfili wrote:
>>> Hy,
>>>
>>> I have one webapp in Tomcat 6.0.18 with this context:
>>>
>>> <Context path="/myApp" docBase="myApp" debug="100" reloadable="true">
>>>   <Resource name="jdbc/myApp" auth="Container"
>>>       type="javax.sql.DataSource"
>>>       maxActive="8" maxIdle="5" maxWait="300"
>>>       username="myApp" password="passwd"
>>>       driverClassName="org.postgresql.Driver"
>>>       url="jdbc:postgresql://127.0.0.1:5432/myApp"
>>>       removeAbandoned="true"
>>>       removeAbandonedTimeout="30"
>>>       logAbandoned="true"
>>>   />
>>> </Context>
>>>
>>> After application stop (using tomcat manager) I'd like to (drastic
>>> example) rename the db, but I can't do it because there are open
>>> connections.
>>>
>>> There are no other application using myApp db, but with "ps ax" I can 
>>> see:
>>>
>>> 189   ??  Ss     0:02.67 postgres: myApp myApp 127.0.0.1(49162) idle
>>>
>>> Is there a way to close the connection without closing Toncat?
>>
>> Hmm. If you were managing your own pool then you could call close() on
>> the pool.
>>
>> Arguably, if Tomcat creates an context level pool, Tomcat should close
>> it when the context stops but I don't think it does. That probably calls
>> for some testing to check behaviour and possibly an enhancement request.
> this is my code to retrieve a connection
this is the right one (not so different)
ambiente = (Context) new InitialContext().lookup("java:comp/env");
pool = (DataSource) ambiente.lookup("jdbc/myApp);
Connection conn = pool.getConnection();
......
conn.close(); // this in inside finally

sorry for the wrong post
Edoardo


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