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Old December 3rd, 2003, 07:13 PM
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Default Tomcat JNDI DataSource issues

Hello, I have followed the Book to the letter and I am getting a " Cannot create PoolableConnectionFactory" error when I run the JDBCTest.jsp.Based on what I am seeing it is when the connection in the jsp file is attempted. What am I doing wrong.I tested the Mysql empro user with the MySql client tools and it was able to get data.

I have RedHat 9.0
Tomcat 4.1.29
SunJava 1.4.1_06
MySQL 3.23.54
MySqlJConnector mysql-connector-java-3.0.9-stable in the <Tomcat_Home>/common/lib and Shared/lib
The dbcp,pool, and collection JARs are where they are supposed to be.
server.xml I had them in neater but the Admin tool rearanged it;
The Admin Tool did see the DefaultContext tags
<DefaultContext className="org.apache.catalina.core.StandardDefaul tContext" cookies="true" crossContext="true" name="defaultContext" reloadable="false" swallowOutput="false" useNaming="true" wrapperClass="org.apache.catalina.core.StandardWra pper">
          <Resource auth="Container" name="jdbc/WroxTC41" scope="Shareable" type="javax.sql.DataSource"/>
          <ResourceParams name="jdbc/WroxTC41">


I put part of the JDBCTest.jsp together looking for the fault
      <%@ page errorPage="errorpg.jsp"
                       javax.naming.InitialContext" %>
<H1>JDBC JNDI Resources Test</H1>

InitialContext initCtx = new InitialContext();
DataSource ds = (DataSource)initCtx.lookup("java:comp/env/jdbc/WroxTC41");
Connection conn = ds.getConnection();


Old December 4th, 2003, 03:29 PM
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The user setup to access the wroxtomcat was empro at localhost. On Redhat you need to setup the user to wroxtomcat as user empro and localhost.domain. Go figure.

Old April 9th, 2004, 12:10 PM
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It looks like it has to do with the ordering in /etc/hosts. Have someone with super-user privileges reverse "localhost.localdomain localhost" to "localhost localhost.localdomain". The first name it sees is what it assumes for reverse lookup.

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