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
-----------------------
ambiente = (Context) new InitialContext().lookup("java:comp/env");
pool = (DataSource) ambiente.lookup("jdbc/anArchive");
Connection conn = pool.getConnection();
......
conn.close(); // this in inside finally
-----------------------

but If my code is wrong removeAbandoned="true" is a guaranty to have the connection closed after few time (30sec). is this right?


Can you close the connections from the database management tools?
I'm sorry but: where can I found it? (Do you mean from postgres? can't figure how)

I am searching for that also inside tomcatProbe but can't find it.


thank you
Edoardo


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