Networking And Gateways :: Using Oracle Connection Manager
Dec 4, 2011
I was trying to connect to a remote database from my client machine. Client machine runs a jsp code to connect to the database and execute a query. I have got oracle jdbc on my machine but still unable to connect to the database.
When checked in Google, i found that oracle connection manager has to be used to connect to the database from jdbc if the web server and database reside on different physical servers. But couldn't gather any further information regarding download and installation.
I do not have oracle connection manager on my system. I read in internet that it is shipped along with oracle 11g software. But i am not sure if that was the case in earlier version as well.
My question is where should i install oracle connection manager? (on database server or client machine) and is it possible to download and install only the connection manager as a stand alone so that i can connect to database from application?
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Jul 11, 2013
i have 2 instances (one on Oracle 11g and the otherone Mssql) i was asked to make a link between both.
btw i need excecute a procedure from Oracle against Mssql tables.
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Aug 25, 2010
ODBC--call failed.TNS:listener was not given the SID in CONNECT_DATA (#12504)
TNSname sets the SID. SQL*Plus is able to connect from the client Windows XP Proff using the same name. Access, on the same client, uses the same Oracle driver to connect successfully to other Oracle databases. These other databases show equal tnsname (different name and SID...)
ODBC Data Source Administrator configures the database and the test connection is successful.
Cannot set up a link from Access to the Oracle database. At some point, I have created a new Access database and it did let me connect, view the list of tables, and set up links to several tables, but the next day I could not open any of the tables and the complain was: ODBC--connection to 'MYDB' failed.
It seems that SQL*Plus passes correctly the SID from the TNSname but ODBC, when invoked from Access, does not. Yet, ODBC does it right for other databases.
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Feb 6, 2011
setup the connection between oracle developer and database.
i found the file called tnsnames.ora however, i cant open it. i dont know if i need to choose a program to open it or download extension for it.
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Aug 21, 2013
I am not able to connect to ORACLE ODA 11g. but using sqlplus its getting connected with below credential.
URL------------------- jdbc:oracle:thin:sacblmdbuser/sacblmdbuser@10.66.12.229:1521:OVPINHA
Oracle JDBC driver loaded ok.
Unable to create connection
java.sql.SQLException: Io exception: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=186647296)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))
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Oct 1, 2013
I am getting the error TNS-12537. In the SQLnet.ora file, if no IP Address is listed everything works fine and the listener starts without any issue. But one of the Security requirements we have is, we need to list all the client IP address on the SQLNet.ora file. I checked the Windows Firewall services and it is disabled.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
M:>tnsping proditg
TNS Ping Utility for 64-bit Windows: Version 11.2.0.3.0 - Production on 01-OCT-
013 10:31:14
Copyright (c) 1997, 2011, Oracle. All rights reserved.
[code].....
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May 11, 2010
When i connect from client to server the client looks up for the host address and port number in tnsnames.ora and connect to it via listener.ora in server.Where does pga and sga come into picture here?
Also what is the role of sqlnet.ora in client?What will happen if i specify a different port for the instance in tnsnames.ora and listener.ora?
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Mar 19, 2013
I am facing ora - 12537 TNS connection closed issue while I am trying to login into database.I have installed Oracle database 11g on windows 7 premium OS.
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Jul 4, 2011
I have a JBOSS aplication server connect to database. When I tested on local, everything was ok. But when i test on real system , have a message "connection time out" on log file of app server while Oracle db still active. I viewed OEM, the system is executing the query :
"SELECT a.path songFilePath, a.BEAT beat from vp_song a, mst_my_album b "+
"where "+
"a.BEAT = b.BEAT "+
"and b.my_album_id IN "+
"(select my_album_id from (select my_album_id, ROW_NUMBER() OVER
(order by my_album_id asc) "+
"R from mst_my_album where msisdn = ?) WHERE R BETWEEN ? and ?)";
But this query is not very hard.
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Jul 15, 2010
I have one query related to database connection from server to client.I have one database in the server and I want to connect from client.I set the tnsnames in client system as follows.
BAM240T_EARTH =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = tcp)(HOST = 10.154.119.103)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = BAM_240T.ipdc.com)
)
)
The database name is : BAM_240T.ipdc.com
Sqlnet.ora entry is
NAMES.DIRECTORY_PATH= (TNSNAMES)
NAMES.DEFAULT_DOMAIN= ipdc.com
When I connect to server I m getting the following error.
$ tnsping BA240T_EARTH
TNS Ping Utility for Linux: Version 10.2.0.4.0 - Production on 15-JUL-2010 15:45:35
Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
/opt/oracle/product/10.2.0/db/network/admin/sqlnet.ora
TNS-03505: Failed to resolve name
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May 12, 2011
when i am connecting to my database in command prompt,sql * plus editor is it successfully connecting to the database but not connecting with the oracle client OEM.
but after connecting the LAN it is not connecting and also in the case when i am connecting to the internet through the USB datacard it is not connecting with the oracle client OEM.
how can i connect to database when the LAN,USB datacard connection.
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Nov 25, 2010
TNS-12518: TNS:listener could not hand off client connection
TNS-12571: TNS:packet writer failure
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
Linux Error: 104: Connection reset by peer
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Jan 12, 2011
I am getting below error while tnsping from client
C:Program FilesMicrosoft Visual Studio 9.0VC>tnsping xpcdev
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 12-JAN-2011 21:35:03
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.6.102)(PORT = 1524))) (C
xpcdev)))
TNS-12537: TNS:connection closed
on server side listener is up also I am able to tnsping without any error.
contents from sqlnet.ora
Quote:NAMES.DIRECTORY_PATH=(TNSNAMES, ONAMES, HOSTNAME)
SQLNET.EXPIRE_TIME= 10i
I am getting below error on listener log file
Quote:12-JAN-2011 10:04:56 * 12546
TNS-12546: TNS:permission denied
TNS-12560: TNS:protocol adapter error
TNS-00516: Permission denied
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Feb 18, 2013
My production database server is cloned for test environnement . I kept the same name of SID for both environnement but on different hosts.
I got error when try to connect to test database : TNS:protocol adapter error.
Below the the TNSNAMES.ORA files:
----- production host ---
HOFL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = asus-sol)(PORT = 1521))
[Code].....
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Oct 7, 2011
im failing to connect im this error- status:failure-lo exception:The network adapter could not establish the connection.
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Jun 11, 2011
I created database link from bala1 database of bala user with the following command.
CREATE DATABASE LINK maddy CONNECT TO P10 IDENTIFIED BY secret554
USING 'MADDY.WORLD';
my aim is to create a dblink to access 'maddy' database objects from bala1 database.
I gave select * from v$database@MADDY.WORLD in bala user and it throwed error.
ORA-02019: connection description for remote database not found
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Oct 29, 2011
When i configure a listener using net manager,if found that the red text box in the picture can fill "the value of the global name " or "the value of the service_names".
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Feb 21, 2010
I want connect mssql in oracle by orale Gateways 11g
my environment:
windows Wista
oracle 11.1.0.7.0
Oracle Database Gateways 11.1.0.7.0
SQL SEVER2008
these soft in one computer.
my steps :
1. set initdg4mssql.ora
2.set listener.ora
3. set tnsnames.ora
4.start lsnrctl
5.use SYSTEM/ORACLE@DZCDB
logined. create dblink and test.
but it's error. i want to know where is the error.
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Apr 30, 2013
I've a problem with Oracle Connection Manager and I've read the Oracle topic about it at URL.....but it doesn't work well...This is an image describes the diagram I want to configure URL.....
The IP for each machine is
Database Server : 192.168.0.150
Proxy Server : 192.168.0.153
client : 192.168.0.159
And these are the files for each machine.
1.Proxy server has 1 file
cman.ora
CMAN=
(CONFIGURATION=
(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.153)(PORT=1521))
(RULE_LIST=
[code]....
2.Database server has 3 file, and for each one I've added some lines as following
tnsnames.ora
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
[code].....
3.Finally the client has 2 files
tnsnames.ora
orcl=
(DESCRIPTION=
(SOURCE_ROUTE=YES)
(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.0.153)(PORT=1521))
(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.0.150)(PORT=1521))
(CONNECT_DATA=(SERVICE_NAME=orcl))
[code]....
ORA-12154: could not resolve the connect identifier specified: where I actually define my DB service (orcl) in the tnsname.ora...The output is showen here URL.....
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Jul 13, 2010
I have an Access DB which I'm using to connect to an Oracle DB at work. There are several Oracle DB's that I can connect to using Access but this one I'm not able to connect to. I get the Oracle error ORA-25153 Temporary Table Space is empty.
I don't have the ability to make changes to the Oracle DB only to read and query.
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May 29, 2012
what is ISP concept in Oracle10g???
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Jun 6, 2011
We're deploying a new product release however this build uses Oracle 11G. We want to perform a side by side install for testing purposes. These are low usage systems so installing another Oracle build will not hinder the system.
We intend to test for a couple of weeks and migrate data, then uninstall the 10G. I'm in the process of installing 11G now, the 10G is up and running. I don't want to impact the 10G install. I'm installing 11G in /home/oracle/oracle11G directory. I would like to use 1 Listener.ora file. I've broken down the install bellow.
10G
SID "processing"
Oracle home /home/oracle/oracle10g
/mnt/Oracle/Oracle10GData
/mnt/Oracle/OracleRedoLog
11G
SID "processing11G"
Oracle home /home/oracle/oracle11g
/mnt/Oracle/Oracle11GData
/mnt/Oracle/Oracle11GRedoLog
I've copied the listener.ora file bellow.
LISTENER_PROCESSING =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST= X (PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 1.1.1.2)(PORT = 1521))
[code].......
LISTENER_PROCESSING2 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = X (PORT = 1522))
[code]......
Do I need to specify the databasename for Processing2? Also the front end boxes (managers) are two different servers so Processingweb1 and processingweb2.
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Apr 5, 2011
I am trying to connect my oracle server with enterprise manager. But i have no network connection. What will be the probable listener config. ?
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Mar 11, 2013
I want to connect ORACLE-11gR2 that is on linux with an MS sql server. DO i need to use some third party drivers like easy soft ? Can i configure the database gateway without any third party drivers ?
Secondly if my oracle is on linux, can i configure the gateway on a seperate windows machine(that will connect to linux oracle and ms sql server) as i have found the gateway installation setup only for windows version.
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Mar 13, 2010
I have following file setup for Oracle heterogeneous services for MS Access. I also need to add one more dsn for MS Excel.
# This is a sample agent init file that contains the HS parameters that are
# needed for an ODBC Agent.
#
# HS init parameters
#
HS_FDS_CONNECT_INFO = MyConn
HS_FDS_TRACE_LEVEL = 0
#
# Environment variables required for the non-Oracle system
#
#set <envvar>=<value>
Note: MyConn is for MS Access that I cretaed.
Can we use like this
HS_FDS_CONNECT_INFO = MyConn1, MyConn2,etc.
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Sep 15, 2012
We have Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit on AIX 5.3.Just want to know few things mentioned below
1.Compatibility status of 10.2.4 with ipv6?
2.Next Version supporting IPv6 (in case current version doesn't support).
3.Prerequisites/dependencies for implementation of IPv6 (this may be some specific functionality required from NW, specific OS version etc.)
4.Tasks to be done for the implementation of IPv6.
5.Procedure to change from ipv4 to ipv6.
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Sep 8, 2012
i want to online my oracle 10g database but when i make connection string then i don't know what the port i set. I set default port 1521 but it not work on client site .
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Aug 8, 2006
I know how to create a database link between two oracle servers, but problem is that SID is same for both servers, Is there any other way to connect two servers without using only 'SID' ..here are TNSNAMES.ORA FILE i HAVE
D.w=
(DESCRIPTION=
(ADDRESS=
(PROTOCOL = TCP)
(HOST=ff.ffc.pic.com)
(PORT = 1521)
[code].......
Is there any other way rather that this
Create database link a connect to username identified by password using 'SID';
Any alternative like using SID.A.w or how I can differentiate these two SID s.
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Mar 16, 2011
I am done with my configuration for oracle HS to connect to SQLserver. When I tried to start my listener, it is giving the following errors.
-----------------------------------------------------------------
TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
System parameter file is D:oracleproduct10.2.0db_1
etworkadminlistener.or
a
Log messages written to D:oracleproduct10.2.0db_1
[code]..
Contents of my listener.ora file are below
--------------------------------------------------------------
LISTENERSQLODBC =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST=
[code]...
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Nov 25, 2011
One of my MOD_PLSQL based Oracle APEX Application is running on the web. I have almost 1000 web users to access the Application where at least 250-300 users are always on line. In Oracle EM web interface When run ADDM I see suggestions "Investigate the cause of SQL*Net more data to client" or something like this. and I am getting complains about poor server response. Here are my configuration of the system:
Database Server Host: DBServer (Oracle Database 10.2.0.3)
HTTP Server Host: OraHTTP (Oracle Companion CD 10g)
DADS.conf HTTP Server configuration
MOD_PLSQL database access for web clients.
How can I increase database connection performance?
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