Howdy, Yeah, it's not good practice to get a connection (or other resource) and in the init method hold on it until the destroy method. Pools make getting a connection quick, so you can keep the connection for as little time as possible.
That aside, what tomcat version are you using? Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Edson Alves Pereira [mailto:[EMAIL PROTECTED] >Sent: Tuesday, January 20, 2004 8:25 AM >To: 'Tomcat Users List' >Subject: RE: Please help, I have a headache .. servlet init troubles > > Right, usually we get a dataSource in doGet or doPost method. > >> ---------- >> De: Allistair Crossley[SMTP:[EMAIL PROTECTED] >> Responder: Tomcat Users List >> Enviada: terça-feira, 20 de janeiro de 2004 9:22 >> Para: Tomcat Users List >> Assunto: RE: Please help, I have a headache .. servlet init troubles >> >> I have solved the JNDI resource by removing the call to the Context out >of >> the init method and into the classes that wish to connect. And yes I do >> use a JNDI properly as my application is working using >> dataSource.getConnection(). The only time my dataSource.getConnection >does >> not work is when I try to get the JNDI resource in the servlet init >> method. >> >> >> >> -----Original Message----- >> From: Edson Alves Pereira [mailto:[EMAIL PROTECTED] >> Sent: 20 January 2004 13:07 >> To: 'Tomcat Users List' >> Subject: RE: Please help, I have a headache .. servlet init troubles >> >> >> Tell us, if you use these parameters for a simple connection, do you >> really connect to SQLServer? I think that your real problem is to create >> a >> JNDI datasource. >> >> > ---------- >> > De: Allistair Crossley[SMTP:[EMAIL PROTECTED] >> > Responder: Tomcat Users List >> > Enviada: segunda-feira, 19 de janeiro de 2004 13:35 >> > Para: Tomcat Users List >> > Assunto: RE: Please help, I have a headache .. servlet init >troubles >> > >> > Hi, >> > >> > Yes I have the jdbc driver in common/lib - like I say ... it "does" >> > connect but I do not know why it gives this error! >> > >> > I just removed trying to get the JNDI data source in my controller >> servlet >> > init() and moved it to the classes that need a connection. There are >now >> > no errors. Therefore it seems almost that init() is too quick to try >and >> > get the JNDI resource before it has managed to load the servlet.xml?? >> > >> > Do you know why my servlet initalises twice? That's my remaining >issue.. >> > >> > Cheers, ADC >> > >> > -----Original Message----- >> > From: Edson Alves Pereira [mailto:[EMAIL PROTECTED] >> > Sent: 19 January 2004 17:22 >> > To: 'Tomcat Users List' >> > Subject: RE: Please help, I have a headache .. servlet init troubles >> > >> > >> > To solve your problem with JDBC Driver, you must put the JDBC driver >> > inside $TOMCAT_HOME/common/lib, try this first the other errors we will >> > see >> > if happens again. >> > >> > > ---------- >> > > De: Allistair Crossley[SMTP:[EMAIL PROTECTED] >> > > Responder: Tomcat Users List >> > > Enviada: segunda-feira, 19 de janeiro de 2004 12:56 >> > > Para: TOMCAT USER (E-mail) >> > > Assunto: Please help, I have a headache .. servlet init troubles >> > > >> > > I am having the biggest headache ever with this. When I start Tomcat >> > > >> > > 1) Why is my controller servlet always initialised twice?? That is, >as >> > > soon as all my logging has finished for one init, it all comes out >> again >> > a >> > > second time! >> > > >> > > 2) In the init I get the following error when it tries to look at my >> > JNDI >> > > datasource... >> > > >> > > 2004-01-19 15:35:28,764 INFO >> > > com.qas.newmedia.intranet.iq.IQActionServlet.init(Unknown Source) : >> > > dataSource: done >> > > >> > > 2004-01-19 15:35:28,764 ERROR >> > > com.qas.newmedia.intranet.iq.IQActionServlet.init(Unknown Source) : >> Init >> > > could not acquire connection from DataSource: >> > > org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver >> of >> > > class '' for connect URL 'null', cause: null Cannot create JDBC >driver >> > of >> > > class '' for connect URL 'null' >> > > >> > > Yet shortly after it seems to have found my datasource perfectly ok >> > > because calls work... >> > > >> > > 2004-01-19 15:36:44,828 DEBUG >> > > >> > >> >com.qas.newmedia.intranet.iq.base.navigation.NavigationManager.init(Unknow >> > > n Source) : CONNECTIOINIT >> > > [EMAIL PROTECTED] >> > > >> > > My JNDI resouce is below (clearly a URL DOES exist). >> > > >> > > Thank you all! ADC >> > > >> > > -- snip -- >> > > >> > > >> > > <Resource name="jdbc/iqdb" auth="Container" >> > > type="javax.sql.DataSource"/> >> > > >> > > <ResourceParams name="jdbc/iqdb"> >> > > <parameter> >> > > <name>factory</name> >> > > >> > > <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> >> > >> > > </parameter> >> > > <parameter> >> > > <name>driverClassName</name> >> > > >> > > >> > > <value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value> >> >> > > </parameter> >> > > <parameter> >> > > <name>url</name> >> > > >> > > <value>jdbc:microsoft:sqlserver://server:1433</value> >> > > </parameter> >> > > <parameter> >> > > <name>username</name> >> > > <value>sa</value> >> > > </parameter> >> > > <parameter> >> > > <name>password</name> >> > > <value>pass</value> >> > > </parameter> >> > > <parameter> >> > > <name>maxActive</name> >> > > <value>50</value> >> > > </parameter> >> > > <parameter> >> > > <name>maxIdle</name> >> > > <value>10</value> >> > > </parameter> >> > > <parameter> >> > > <name>maxWait</name> >> > > <value>10000</value> >> > > </parameter> >> > > <parameter> >> > > <name>validationQuery</name> >> > > <value>SELECT 1 + 1</value> >> > > </parameter> >> > > >> > > <parameter><name>logAbandoned</name><value>true</value></parameter> >> > > >> > > ><parameter><name>removeAbandoned</name><value>true</value></parameter> >> > > >> > > >> > > <FONT SIZE=1 FACE="VERDANA,ARIAL" COLOR=BLUE> >> > > ------------------------------------------------------- >> > > QAS Ltd. >> > > Developers of QuickAddress Software >> > > <a href="http://www.qas.com";>www.qas.com</a> >> > > Registered in England: No 2582055 >> > > Registered in Australia: No 082 851 474 >> > > ------------------------------------------------------- >> > > </FONT> >> > > >> > > >> > > --------------------------------------------------------------------- >> > > 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] >> This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. 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