Looks like the connection the pool is attempting to return is null. Are
there any errors further up the logs that might indicate an other issue
that might be causing this? For what it's worth, the code and config
posted look good.
--David
Saurabh Nanda wrote:
Hi,
I'm trying to configure a pooled database connection in Tomcat 5.5.17
but getting a strange error which looks like this:
java.lang.NullPointerException
org.apache.tomcat.dbcp.dbcp.DelegatingConnection.close(DelegatingConnection.java:151)
org.apache.tomcat.dbcp.dbcp.PoolableConnection.reallyClose(PoolableConnection.java:95)
org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.destroyObject(PoolableConnectionFactory.java:301)
org.apache.tomcat.dbcp.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:883)
org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:851)
org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:540)
testConf.TestConfServlet.doGet(TestConfServlet.java:37)
.... and so on
*** The META-INF/context.xml file has the following entry: ****
<Resource name="jdbc/myoracle"
auth="Container"
type="javax.sql.DataSource"
driverClassName="oracle.jdbc.driver.OracleDriver"
url="jdbc:oracle:thin:[EMAIL PROTECTED]:1521:temp"
username="temp"
password="temp"
maxActive="0"
maxIdle="5"
maxWait="10000"
removeAbandoned="true"
removeAbandonedTimeout="120"
logAbandoned="true"
/>
*** Here's some sample code and output WITHOUT ERRORS: ****
Context ctx=new InitialContext();
NamingEnumeration list=ctx.list("java:/comp/env/jdbc");
out.write("<HTML><pre>");
NameClassPair pair;
while(list.hasMore()) {
pair=(NameClassPair) list.nextElement();
out.write(pair.getName() + "=" + pair.getClassName() + "\n");
}
DataSource ds=(DataSource) ctx.lookup("java:/comp/env/jdbc/myoracle");
out.write("ds=" + ds.toString() + "\n");
*** OUTPUT OF THE ABOVE CODE ****
myoracle=org.apache.tomcat.dbcp.dbcp.BasicDataSource
[EMAIL PROTECTED]
*** But as soon as I try to obtain a connection I start getting the
error I mentioned above!
I've spent a lot of time on this -- could someone please tell me where
I'm going wrong!
TIA
Nandz.
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