TNS Error : Connecting To Remote Oracle DB From .Net
Sep 22, 2010
I have been trying to connect to an remote oracle db from c# .Net . I believe I have the proper code (Cos when the user id and password strings were omitted , it threw an error of invalid user Id and password).
Once this was properly provided , the connection is now throwing "TNS Error : No Listener " error . The same remote DB is perfectly connecting through TOAD and it is from the tnsnames.ora file of the local file that i got the connection string from . Hence , I don't thing its a problems with that as well.
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Mar 8, 2011
I am trying to connect to a remote database (Oracle) using my Windows terminal and I am successfully able to connect. But when I try to open a SQL File is gives the following error:
SQL > @int1.sql
SP2-0310: unable to open file
I found out that this error occurs when the file name or the path is invalid. But since I am having a remote access I really don't know the location. What can be done to remove this error?
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Mar 2, 2011
Is it possible to connect Oracle to MS Access database sitting on remote server? I need to join the tables in Oracle and MS Access.
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Mar 25, 2007
I have a problem on my PC when I try to connect Oracle-db with Designer .It,s Show this message
ORA-12541 :TNS:no Listener
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Jul 11, 2013
I am using OCI and instant_client (11.2.0.3.0) in my C++ program (on Windows 7) to connect remotely to 11G database. While doing a connection using server name as well as servername:port/service_name as connection strings, I am getting error of ORA-12504 TNS:listener was not given the SERVICE_NAME in CONNECT_DATA. According to instant client FAQ & white paper at [URL]..., no tnsnames.ora is required for instant client. Then why could I be getting this error? I ensured that only the instant client directory is in Path environment variable. There was a ODBC driver installed on this same host.
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May 23, 2013
I have recently installed ORACLE 11gr2 rac. After installation i am not able to connect to one node i am getting the below error
<msg time='2013-05-23T10:25:24.660+05:30' org_id='oracle' comp_id='tnslsnr'
type='UNKNOWN' level='16' host_id='DPDCNSFDB1'
host_addr='172.18.132.51'>
<txt>TNS-12518: TNS:listener could not hand off client connection
TNS-12547: TNS:lost contact
TNS-12560: TNS:protocol adapter error
TNS-00517: Lost contact
IBM/AIX RISC System/6000 Error: 32: Broken pipe
My Tns connects to only one node.And i tried to connect using the virtual IP but not able to connect. TNS poing works fine.
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Oct 23, 2012
I am trying to connect rman target / from windows
Microsoft Windows [Version 5.2.3790]
� Copyright 1985-2003 Microsoft Corp.
C:\>set ORACLE_SID=PRODDB
C:\>set ORACLE_HOME=C:\oracle\product\10.2.0
C:\>rman target /
Message file RMAN<lang>.msb not found
Verify that ORACLE_HOME is set properly
C:\>sqlplus / as sysdba
Error 6 initializing SQL*Plus
Message file sp1<lang>.msb not found
SP2-0750: You may need to set ORACLE_HOME to your Oracle software directory
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Dec 26, 2012
The users are getting an error when connecting to the DB. I'm also not able to connect thru sqlplus . I get the message
$ sqlplus "/as sysdba"
SQL*Plus: Release 10.2.0.5.0 - Production on Wed Dec 26 14:39:55 2012
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
ERROR:
ORA-01075: you are currently logged on
ORA-04031: unable to allocate ORA-04031: unable to allocate 4064 bytes o bytes of shared memory ("","","","")
ORA-04031: unable to allocate ORA-04031: unable to allocate 4064 bytes of shared memory ("shared pool","select a.obj# OBJOID, a.clas...","sga heap(1,0)","kglsim hea
I need to restart the DB.
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Mar 13, 2013
after connecting to database using username and password , i get below error message connection is established and able to work asusal,
Enter password:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options
select 'Welcome to database: ' || name from v$database
*
ERROR at line 1:
ORA-00942: table or view does not exist
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Dec 5, 2012
I am able to connect to the DB in TOAD , but I am not able to connect to the DB in PL/SQL developer.
PL/SQL developer
Version 8.0.1.1498
01.61091 - Unlimited user license
Windows 7 6.1 Build 7601 (Service Pack 1)
Oracle 11g
I am getting the below error
ORA-12154: TNS could not resolve the connect identifier specified
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Apr 19, 2011
During data guard configuration i have receive an error while connecting to stanby database from primary database rman prompt.
rman target sys/srk786@orcli
Recovery Manager: Release 10.2.0.1.0 - Production on Tue Apr 19 09:59:26 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCLI (DBID=3754068166)
RMAN> connect auxiliary sys/srk786@stnd
[code]....
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Dec 24, 2007
We installed Oracle 10g on one of our servers and configured the listener to host=localhost. Here's our listener.ora file:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
[code]...
After restarting the listener, we could connect using the connect identifier from the local server. However, when trying to connect from a remote client we received the error of "no listener". In the remote client the identifier is defined with host=ip_address. TNSping from the client to the host was successful.
When we changed listener.ora to host=up_address we could connect ONLY from the remote computer. Only after changing the host in tnsnames.ora file to the IP as well - we could connect from both the local server and the remote client.
I usually use host=localhost in the listener file (and the local tnsnames file) and never had this problem before.
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Dec 5, 2011
I'm trying to make a connection to sql server from an ORACLE 8.0.4 (I know, it's ancient) but can't seem to get it to work. I've read a lot of articles on the internet regarding the Heterogeneous Services but just can't get it to work on my system. Therefor I tried an example on connecting to an Excel workbook I found on another forum [URL] but that gives me the same problem as with connecting to sql server.
Here is what I've got:
initFRUIT.ora
CODEHS_FDS_CONNECT_INFO = SPONGE
HS_FDS_TRACE_LEVEL = OFF
LISTENER.ORA
CODESTARTUP_WAIT_TIME_LISTENER = 0
[code]....
One thing I noticed is that I do not have an hsodbc.exe file in my \bin, should it be there?
(I also tried Tgmsql80 in stead of hsodbc as program in Listener, resulting in an extended time of testing the connectivity but with the same result)
Is there any way I can test parts of the connection to limit the location of the problem? (e.g. does the listener get to the TNS)
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Jul 31, 2004
sample code to connect to Oracle table using VB6.0, as well as code to populate the table and to access a particular record in the table.
Asuming userID is 'MyID' and Password is 'MyPass', Server Database is 'Mydata'.
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Dec 8, 2010
I am building the Oracle on RHEL 5(on Virtual machine with fixed disk space). I could install, after configuring and tried to connect to the database using "sqlplus system" on the command prompt(logged in as root), I get the following error message:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
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Dec 6, 2010
My Oracle user which i created 5-6 months ago is not getting today when i tried to connect.But sys is getting connected.Also i queried dba_users in which my user was present. Also i did Alter user to change its password successfully., but it is not connecting.
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Jul 5, 2010
I decided to uninstall oracle 10g, and APEX 4.0.
I then reinstalled oracle 10g express and downloaded APEX 3.2..
However, wen its time to upgrade to APEX3.2 via the command prompt... the previous version of APEX 4.0 (11.1.0.6.0) is being read.
how to reset this to the original value 10.2.0.10 (10g express edition) ?
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Jul 7, 2013
I am trying to learn Oracle and trying to use Visual Basic 7 to connect to an Oracle database, upload a text file to an empty table and then update a second Oracle table based on the info in the first table. I know you can do this with SQL*Loader, but how about VB? I did some research and found this posting: Re: Using Bulk insert or SQL Loader in VB6 I borrowed the code from there and altered it for my application (see below).
Dim con As New ADODB.ConnectionDim rst As New ADODB.RecordsetDim rst2 As New ADODB.RecordsetDim rst3 As New ADODB.Recordset con.ConnectionString = "Provider=OracleDB;User ID=john;Password=doe;Data Source=TestDB;"con.Open 'open the text filerst.Open "C:OracleTestCombinedCombined.txt" 'rst2 is an empty recordset because TempTable is empty at this time.rst2.Open "select * from TempTable", con, adOpenDynamic, adLockOptimistic 'adding rows into TempTable.Do Until rst.EOFrst2.AddNew Array("PACKET", "DATERET"), Array(rst.Fields("PACKET"), rst.Fields("DATERET"))rst.MoveNextLoop rst.Closerst2.Closecon.Close
My second question is this - say I had a second Oracle table in the same DB called "MasterTable", with the same two fields as "TempTable" (PACKET and DATERET). I want to update the DATERET field in "MasterTable" with the DATERET field in "TempTable" ONLY when the "PACKET" field matches in both tables.
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Nov 17, 2012
I have oracle db server 9.2.0.2 , I have a client connected with this server, the client has sqlplus 8.0.6.0
I adjust the tnsnames in the client with the following parameters :
myconn =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.0.1)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = my_sid)
)
)
this connection was successful
when I tried the same connection with oracle db server 11g (11.2.0.1)
this connection failed
how can i connect wih the new server 11g (11.2.0.1)
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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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Aug 15, 2010
Im trying to connect a benchmarking application (benchmark factory) from my windows 32bit laptop to Oracle on my linux desktop.
When connecting I am supplying the following details: (im getting the error: ORA 12170 : TNS connect timeout occurred)
User/Schema : matt
Password: ****
Host: 192.168.1.9
Port: 1521
SID: orcl
Connect as : SysDBA
Connect Using: Instant Client (selected from a drop down)
----------------------------------------------------
when i use the following command:
tail -100 /home/matt/app/matt/diag/tnslsnr/localhost/listener/alert/log.xml
i get these results:
[matt@localhost ~]$ tail -100 /home/matt/app/matt/diag/tnslsnr/localhost/listener/alert/log.xml
host_addr='127.0.0.1'>
<txt>15-AUG-2010 23:26:29 * service_update * orcl * 0
</txt>
</msg>
<msg time='2010-08-15T23:26:36.708+01:00' org_id='oracle' comp_id='tnslsnr'
[code]....
I have been told client is not getting to the listener because listener is only listening on 127.0.0.1.
unless & until DB server is configured with a routable IP#, no remote client will succeed.
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Jan 22, 2011
I have installed Oracle 10g in Windows XP which is in 'VMware' as guest OS. share the procedure if we can connect to the oracle installed in Guest OS from the main operating system.
Main OS is Windows 7
Guest OS is Windows XP
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Sep 28, 2012
i am using windows xp home edition (with oracle 11g r2). oracle installed with out any problems but when i click get started internet explorer it says(internet explorer cannot display the webpage) this is the address get started open up to [URL]...but does not work.
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Feb 13, 2013
i am a Microsoft SQL Server user,and I recently thought of migrating to Oracle.So to give it I try I downloaded the following files : [URL]
But for the past two days I am heck stuck with making a Proper Installation ! I have swept the Internet and the Oracle Forums but there is not single tutorials on how to 'INSTALL' these products completely.(All tutorials are on on 10 XE and dont cover Dev Tools installation)
For eg. I installed Oracle 11 XE and ODAC 11.2 Release 5 (11.2.0.3.20) with Oracle Developer Tools for Visual Studio but still the database was not connecting.A blog suggested that I should edit and place the tnsname.ora files in the correct location then I should configure the machine.config file.But Oracle says that its universal installer automatically configures the config file.
Honestly,I love tough things but its stupid the way oracle is deploying its products. how to install and configure Oracle 11 XE with Visual Studio 2010.
dont get me wrong but this is way too outdated: [URL]
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Aug 29, 2012
How can I connect excel from pl / sql to copy results from the query. I was trying with OLE2 but it is throwing error as "invlid Identifier". Then how to include OLE2 in oracle.
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Jul 13, 2012
connecting two oracle database in two different server.I installed Oracle 10g XE in both system.Both system act as Server.I need to connect both server using database link concept.
how to use the tnsnames,ora and listener.ora file for connecting both system.
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Jul 16, 2012
I'm using following connection string: +connectionString="Driver={Oracle ODBC Driver};Server=someDb;Uid=useruidr;Pwd=password"+
when I call method "Open" on "OdbConnection" I get following exception: +ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified+
"someDb" is specified correctly in tsnames.ora,
"...client" and "...clientin" are added to PATH environmental variable
ORACLE_HOME is set to "...client"
I have Oracle Client 11.2.0.3.0 installed
Operating system is Windows 7 32 bit
When I change Driver to "Microsoft ODBC for Oracle" it works fine. However I want to use Oracle ODBC Driver.
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Nov 12, 2013
Oracle 11g on linuxdestination : ms sql server 2005 i need to create the db link from oracle to ms sql server to view the tables , is it posibble without configuring the gateways( as looks like it is licenced product)
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May 5, 2013
trying to connect to DB remotely through Toad..
"instantclient" already downloaded and configured as below :
dll files like "oci.dll,... etc" are here : C:Oracleinstantclientinstantclient_11_2
Created both tnsnames.ora & listener.ora are here : C:Oracleinstantclient
etworkadmin
And did the below in user/system variables :
User Variables :
=========
TNS_ADMIN with value "C:Oracleinstantclient
etworkadmin"
System Variables :
===========
TNS_ADMIN with value "C:Oracleinstantclient
etworkadmin"
ORACLE_HOME with value "C:Oracleinstantclient"
Path edited and added this value "C:Oracleinstantclientinstantclient_11_2"
But i am still facing the below error :
ORA-12541: TNS:no listener
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May 24, 2011
Connecting Oracle to SQL Server via database link.
I am trying to connect from Oracle 10G to a SQL Server database. I have looked at the manual and i will admit that i am finding the documentation quite difficult to follow. There seems to be several options to use but none of the documentation describe how each option works.
As an example, i have been given the following information on the database i need to connect to (i.e. the SQL Server database)
- Username
- Password
- Database Name [lets assume the database name is data_extract]
To connect the above i made the following changes
$ORACLE_HOME/hs/admin/inithsodbc.ora
---------------------------------------
HS_FDS_CONNECT_INFO = data_extract
HS_FDS_TRACE_LEVEL = 0
$ORACLE_HOME/network/admin/tnsnames.ora
---------------------------------------
sqlserver.db =
(DESCRIPTION =
[code]....
Note: In listener.ora, i only added the last SID_DESC entry. I then went on and created the database link as shown below
create database link sqlservdb using 'sqlserver.db';
When i try to access a table i get the following error
sqlplus> select * from TESTTABLE@sqlservdb;
select * from TESTTABLE@sqlservdb
*
ERROR at line 1:
ORA-28545: error diagnosed by Net8 when connecting to an agent
Unable to retrieve text of NETWORK/NCR message 65535
ORA-02063: preceding 2 lines from ORASQLSERVER
A couple of things i am not sure of:
- Where do i specify the username and password to access the sql server from the oracle db to the sql server db
- Having read around on the internet, i can see some people refering to a DSN datasource. I am told that the information that i have is all i need. Is this correct or do i need something else?
- The sid i specified in inithsodbc.ora and tnsnames.ora is actually the sql server database. Is this correct?
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