32 bit compiled Java Program not connecting to 64 bit Oracle 11g

Question

Hi,
I am using one java program to connect to Oracle 11g (64 bit version) using Oracle10g 32 bit client libraries using OCI calls. Below is the program. If I compile it using 64 bit Oracle 10g libraries ($ORACLE_HOME/lib and $ORACLE_HOME/rdbms/lib) , it perfectly connects to Oracle11g but when i compile it using $ORACLE_HOME/lib32 and $ORACLE_HOME/rdbms/lib32, it hangs and keeps trying and takes 100% cpu usage. it does nothing. Please suggest what is going wrong in the environment.
============================
import java.sql.*;
class dbAccess {
public static void main (String args []) throws Exception
Class.forName ("oracle.jdbc.OracleDriver");
Connection conn = DriverManager.getConnection
("jdbc:oracle:oci8:@lvfd", "fde", "fde");
// or oci7 @TNSNames_Entry, userid, password
try {
Statement stmt = conn.createStatement();
try {
ResultSet rset = stmt.executeQuery("select * from tab");
try {
while (rset.next())
System.out.println (rset.getString(1)); // Print col 1
} finally {
try { rset.close(); } catch (Exception ignore) {}
} finally {
try { stmt.close(); } catch (Exception ignore) {}
} finally {
try { conn.close(); } catch (Exception ignore) {}
================================================

Answer 1

>
I am compiling like when LD_LIBRARY_PATH set to $ORACLE_HOME/lib32:$ORACLE_HOME/rdbms/lib32.
javac -cp .:$ORACLE_HOME/jdbc/lib/ojdbc14.jar dbAccess.java
as my program resides in current directory. I run it like :
java -cp .:$ORACLE_HOME/jdbc/lib/ojdbc14.jar dbAccess
Output: it hangs forever.
I am compiling like when LD_LIBRARY_PATH set to $ORACLE_HOME/lib:$ORACLE_HOME/rdbms/lib
javac -cp .:$ORACLE_HOME/jdbc/lib/ojdbc14.jar dbAccess.java
as my program resides in current directory. I run it like :
java -cp .:$ORACLE_HOME/jdbc/lib/ojdbc14.jar dbAccess
Output: It gets connected and list all the tables as output.
>
The ojdbc14.jar file is for use with Java 1.4 VMs.
Are you still using Java 1.4? If so, why?
For Oracle 11g you should be using the latest JDBC jar file (ojdbc6.jar) and the latest version of Java 1.6.
You are not only using an old JDBC driver and Java version but are also trying to mix 32 bit and 64 bit operations.
I suggest you start using recommended practices and update your Java and JDBC versions and select EITHER 32 bit or 64 bit operations.
See the Official JDBC FAQ for the details on the support available for various combinations of Oracle DB, Java and the JDBC drivers:
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-faq-090281.html