I don't know how much advantage it is ... I have just never seen the point of doing the jndi lookup more than once.
-- Voytek Jarnot Quidquid latine dictum sit, altum viditur. > -----Original Message----- > From: Brandon Goodin [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 19, 2003 1:09 PM > To: Struts Users Mailing List > Subject: RE: DBCP could not obtain an idle db connection pool > exhausted > > > How much advantage is caching the datasource lookup? Isn't > that the whole > idea of a ConnectionPool and the jndi lookup. Isn't the registry just > pointing to a persistent object resource? I am curious what kind of > performance boost one gets when caching a DataSource Lookup. > > Brandon Goodin > Phase Web and Multimedia > PO Box 85 > Whitefish MT 59937 > P (406) 862-2245 > F (406) 862-0354 > [EMAIL PROTECTED] > http://www.phase.ws > > > -----Original Message----- > From: Jarnot Voytek Contr AU HQ/SC > [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 19, 2003 11:57 AM > To: 'Struts Users Mailing List' > Subject: RE: DBCP could not obtain an idle db connection pool > exhausted > > > It would also be a good idea to only do the DataSource lookup > one time, and > cache it... > > -- > Voytek Jarnot > Quidquid latine dictum sit, altum viditur. > > > > -----Original Message----- > > From: Brandon Goodin [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, February 19, 2003 12:54 PM > > To: Struts Users Mailing List > > Subject: RE: DBCP could not obtain an idle db connection pool > > exhausted > > > > > > try making your getDbConnection method static. It might be holding a > > reference to your utilclass that you have instantiated. It > > might be taking > > longer to gc the class. This is just a guess. > > > > Example: > > > > public static Connection getDbConnection() { > > > > ... > > > > } > > > > Brandon Goodin > > Phase Web and Multimedia > > PO Box 85 > > Whitefish MT 59937 > > P (406) 862-2245 > > F (406) 862-0354 > > [EMAIL PROTECTED] > > http://www.phase.ws > > > > > > -----Original Message----- > > From: Scott Power [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, February 19, 2003 11:11 AM > > To: [EMAIL PROTECTED] > > Subject: DBCP could not obtain an idle db connection pool exhausted > > > > > > Hi folks, > > > > Here's my situation, I am using tomcat(latest version) and > > mysql,jdbc(mysql ..connector..jar) and struts for an > application with > > connection pooling. I can not figure out why my connection > > stay around > > once I close them, they are not sent back to the pool. > > > > I create a connection then I > > > > Connection myConnection = utilclass.getDbConnection(); > > > > the getDBconnetion() method is here: > > > > public Connection getDbConnection() { > > String contextString = "java:comp/env/jdbc/cms"; > > Connection localConnection = null; > > DataSource myBasicDataSource = null; > > > > try { > > Context myContext = new InitialContext(); > > myBasicDataSource = (DataSource) > > myContext.lookup(contextString); > > localConnection = > > myBasicDataSource.getConnection(); > > } > > ..................return localConnection; > > > > > > I use the connection for a statement and a result set. > > > > I close the connection > > myConnection .close(); > > > > I have also found out that you should be closing the result > > set and the > > statement also, which I have tried but that did not resolve > > my problem. > > When I check out the DB I see the connections that are > created during > > the application but they remain there in sleep until tomcat is > > shutdown. > > > > I have added the following to my server.xml to clean up connections > > > > <name>removeAbandoned</name> > > <value>true</value> > > </parameter> > > <parameter> > > <name>removeAbandonedTimeout</name> > > <value>10</value> > > </parameter> > > <parameter> > > <name>logAbandoned</name> > > <value>true</value> > > </parameter> > > > > but this does not seem to work, I added it in the jdbc > resource params > > section. Is there a way to clean up these connections that > are lying > > around. I connect many times to the db and I thought that in > > the end of > > things I should only have one connection left, all the other > > connections > > were closed but not reclaimed. > > > > I could really use some help on this one. > > > > Thanks > > > > Scott > > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
