User permission issue in connecting to Oracle using java in Cent OS

Hi ,
I am facing a peculiar issue and since I am new to Cent OS, I hope somebody can help me.
I am using Cent OS 4.2 and I installed Oracle client 10.2 in cent os 4.2.
I am having a java application which connects to Oracle server in another Linux system using Oracle OCI driver which comes along with Oracle client
I have a user called user1 which belongs to group group1 as primary group and my application runs under this user user1.
This user is a member of oinstall group (which is the group for oracle uesr which has access to oracle client directories/files)
But when my application tries to connect to Oracle server, I am getting connectivity error saying "Oracle driver not found" or "cannot load libocijdbc10.so". All environment variables like ORACLE_HOME, PATH,CLASSPATH, LD_LIBRARY_PATH are set properly.
The permissions to Oracle folder/files are rwx for owner(oracle user) , rx for group(oinstall) and none for others
What we observed are
1. When the application is start under root user, it works
2. When we give rx permission to others, it works
3. When we make oinstall group as the primary group for my user user1, it works
My questions here
1. Why it is not working even though my user user1 is a member of oinstall group
2. Why it is working when I make oinstall as the primary group
3. Is there any difference in security policy of RHEL and Cent OS
4. How can I access libraries from multiple folders which created by different user and belongs to different groups, if this is the case
I never faced this issue in RHEL4
Hope some body can help me.
Regards
Sunil

Sorry, I should have been more specific. The error message I was referring to shows up in a pop-up windows when I try to run the program. The actual java error message (that shows up in the command prompt window) is as follows:
"Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\WINNT\system32\ocijdbc8.dll: The specified procedure could not be found
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1473)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1397)
at java.lang.Runtime.loadLibrary0(Runtime.java:788)
at java.lang.System.loadLibrary(System.java:832)
at oracle.jdbc.oci8.OCIDBAccess.logon(OCIDBAccess.java:192)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:142)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:214)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:193)
at java.sql.DriverManager.getConnection(DriverManager.java:512)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at lookup.main(lookup.java:16)"
I'm running the program through Windows 200 Pro command prompt, and the version of java is, as I mentioned in the previous message, 1.4.1:
java -version
java version "1.4.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1_01-b01)
Java HotSpot(TM) Client VM (build 1.4.1_01-b01, mixed mode)

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Sorry, I should have been more specific. The error message I was referring to shows up in a pop-up windows when I try to run the program. The actual java error message (that shows up in the command prompt window) is as follows:
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[Dukes Earned 111] Karanjit
Posts:459
Registered: 2/28/08
Re: Tying test jsp page in Tomcat
Jul 23, 2009 12:31 AM (reply 1 of 2) (In reply to original post )
Click to email this message
Oracle docs say:
ORA-12505:TNS:listener does not currently know of SID given in connect descriptor
Cause: The listener received a request to establish a connection to a database or other service. The connect descriptor received by the listener specified a SID for an instance (usually a database instance) that either has not yet dynamically registered with the listener or has not been statically configured for the listener. This may be a temporary condition such as after the listener has started, but before the database instance has registered with the listener.
Action:
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- Check which instances are currently known by the listener by executing: lsnrctl services <listener name>
- Check that the SID parameter in the connect descriptor specifies an instance known by the listener.
- Check for an event in the listener.log file.
[Dukes Earned 0] ashiers
Posts:126
Registered: 12/26/01
Re: Tying test jsp page in Tomcat
Jul 23, 2009 7:40 AM (reply 2 of 2) (In reply to #1 )
Click to email this message Click to edit this message...
Thanks for the description for the Error message 12505. It doesn't help much. This I did find out by running this command: LSNRCTL SERVICES LISTENER
C:\>LSNRCTL SERVICES LISTENER
LSNRCTL for 32-bit Windows: Version 11.1.0.6.0 - Production on 23-JUL-2009 11:12
:00
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
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Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:545 refused:0 state:ready
LOCAL SERVER
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DISPATCHER <machine: DOHWS1911, pid: 804>
(ADDRESS=(PROTOCOL=tcp)(HOST=DOHWS1911)(PORT=1101))
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The command completed successfully
So, according to this orcl is the correct SID parameter. Please advise further.
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sb92075 wrote:
Listener Log File c:\oracle11g\diag\tnslsnr\DOHWS1911\listener\alert\log.xml
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(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
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Does DOHWS1911 map to 127.0.0.1?
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<txt>23-JUL-2009 16:41:53 * service_update * orcl * 0
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<txt>TNS-12505: TNS:listener does not currently know of SID given in connect descriptor
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What does it all mean? HELP!
Alan

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