Error: ORCL-002: CreateConnInternal olog(): ORA-12500:

Hello,
I'm sometimes getting this error error: ORCL-002: CreateConnInternal olog(): ORA-12500:
TNS:listener failed to start a dedicated server process
in the nas logs after which the NAS server hangs.
I'm using NAS 4.0 sp5 on HPUX and connecting to an Oracle 8 database using ORACLE_OCI. Anybody has
come across this error. What could be the possible
solution ?
Thanks for your help,
Amit

I guess this problem is from the Oracle Server,
One of these steps might work,
1. Stop and start the listener. (May be not a good idea.)
2. May be you are not using the same user/password to start the listener as the database instance.
You may use, system/manager.
Please get back for any further assistance.
Thanks,
Rakesh,
Developer-Support Team,
Sun ONE Application Server.

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ORCL-002: GXORCL2PreparedStatement::DAEExecute(): ORA-01722: invalid number

[06/Sep/2001 09:55:41:4] warning: ORCL-002:
GXORCL2PreparedStatement::DAEExecute(): ORA-01722: invalid number
java.sql.SQLException: GXORCL2PreparedStatement::DAEExecute(): ORA-01722:
invalid number
at com.netscape.server.jdbc.PreparedStatement.verifyError(Unknown
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at com.netscape.server.jdbc.PreparedStatement.afterVerify(Unknown
Source)
at com.netscape.server.jdbc.PreparedStatement.executeUpdate(Unknown
Source)
at com.netscape.server.ejb.SQLPersistenceManager.create(Unknown
Source)
at
com.netscape.server.ejb.EntityDelegateManagerImpl.doPersistentCreate(Unknown
Source)
at com.netscape.server.ejb.EntityDelegateManagerImpl.create(Unknown
Source)
at com.kivasoft.eb.EBHomeBase.create(Unknown Source)
at
com.se.sales.customer.ejb_home_com_se_sales_customer_CompanyEJB.create(ejb_h
ome_com_se_sales_customer_CompanyEJB.java:99)
at
com.se.sales.customer.ejb_kcp_skel_CompanyHome.create__com_se_sales_customer
Company_java_lang_Integer__indir_wstr__215617959(ejb_kcp_skel_CompanyHo
me.java:231)
at com.kivasoft.ebfp.FPRequest.invokenative(Native Method)
at com.kivasoft.ebfp.FPRequest.invoke(Unknown Source)
at
com.se.sales.customer.ejb_kcp_stub_CompanyHome.create(ejb_kcp_stub_CompanyHo
me.java:296)
at
com.se.sales.customer.ejb_stub_CompanyHome.create(ejb_stub_CompanyHome.java:
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at
com.se.sales.customer.CompanyServlet.doGet(CompanyServlet.java:35)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
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at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.thread.ThreadBasic.run(Native Method)
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Source)
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ome_com_se_sales_customer_CompanyEJB.java:99)
at
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Company_java_lang_Integer__indir_wstr__215617959(ejb_kcp_skel_CompanyHo
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at com.kivasoft.ebfp.FPRequest.invoke(Unknown Source)
at
com.se.sales.customer.ejb_kcp_stub_CompanyHome.create(ejb_kcp_stub_CompanyHo
me.java:296)
at
com.se.sales.customer.ejb_stub_CompanyHome.create(ejb_stub_CompanyHome.java:
88)
at
com.se.sales.customer.CompanyServlet.doGet(CompanyServlet.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
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at
com.netscape.server.servlet.servletrunner.ServletInfo.service(Unknown
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at
com.netscape.server.servlet.servletrunner.ServletRunner.execute(Unknown
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at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
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Help me in excuting the attached file
[Attachment company_Iplanet.zip, see below]

[06/Sep/2001 09:55:41:4] warning: ORCL-002:
GXORCL2PreparedStatement::DAEExecute(): ORA-01722: invalid number
java.sql.SQLException: GXORCL2PreparedStatement::DAEExecute(): ORA-01722:
invalid number
at com.netscape.server.jdbc.PreparedStatement.verifyError(Unknown
Source)
at com.netscape.server.jdbc.PreparedStatement.afterVerify(Unknown
Source)
at com.netscape.server.jdbc.PreparedStatement.executeUpdate(Unknown
Source)
at com.netscape.server.ejb.SQLPersistenceManager.create(Unknown
Source)
at
com.netscape.server.ejb.EntityDelegateManagerImpl.doPersistentCreate(Unknown
Source)
at com.netscape.server.ejb.EntityDelegateManagerImpl.create(Unknown
Source)
at com.kivasoft.eb.EBHomeBase.create(Unknown Source)
at
com.se.sales.customer.ejb_home_com_se_sales_customer_CompanyEJB.create(ejb_h
ome_com_se_sales_customer_CompanyEJB.java:99)
at
com.se.sales.customer.ejb_kcp_skel_CompanyHome.create__com_se_sales_customer
Company_java_lang_Integer__indir_wstr__215617959(ejb_kcp_skel_CompanyHo
me.java:231)
at com.kivasoft.ebfp.FPRequest.invokenative(Native Method)
at com.kivasoft.ebfp.FPRequest.invoke(Unknown Source)
at
com.se.sales.customer.ejb_kcp_stub_CompanyHome.create(ejb_kcp_stub_CompanyHo
me.java:296)
at
com.se.sales.customer.ejb_stub_CompanyHome.create(ejb_stub_CompanyHome.java:
88)
at
com.se.sales.customer.CompanyServlet.doGet(CompanyServlet.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
at
com.netscape.server.servlet.servletrunner.ServletInfo.service(Unknown
Source)
at
com.netscape.server.servlet.servletrunner.ServletRunner.execute(Unknown
Source)
at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.thread.ThreadBasic.run(Native Method)
at java.lang.Thread.run(Thread.java:479)
Caught an exception.
javax.ejb.CreateException
at com.netscape.server.ejb.SQLPersistenceManager.create(Unknown
Source)
at
com.netscape.server.ejb.EntityDelegateManagerImpl.doPersistentCreate(Unknown
Source)
at com.netscape.server.ejb.EntityDelegateManagerImpl.create(Unknown
Source)
at com.kivasoft.eb.EBHomeBase.create(Unknown Source)
at
com.se.sales.customer.ejb_home_com_se_sales_customer_CompanyEJB.create(ejb_h
ome_com_se_sales_customer_CompanyEJB.java:99)
at
com.se.sales.customer.ejb_kcp_skel_CompanyHome.create__com_se_sales_customer
Company_java_lang_Integer__indir_wstr__215617959(ejb_kcp_skel_CompanyHo
me.java:231)
at com.kivasoft.ebfp.FPRequest.invokenative(Native Method)
at com.kivasoft.ebfp.FPRequest.invoke(Unknown Source)
at
com.se.sales.customer.ejb_kcp_stub_CompanyHome.create(ejb_kcp_stub_CompanyHo
me.java:296)
at
com.se.sales.customer.ejb_stub_CompanyHome.create(ejb_stub_CompanyHome.java:
88)
at
com.se.sales.customer.CompanyServlet.doGet(CompanyServlet.java:35)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
at
com.netscape.server.servlet.servletrunner.ServletInfo.service(Unknown
Source)
at
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at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
at com.kivasoft.applogic.AppLogic.execute(Unknown Source)
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[Attachment company_Iplanet.zip, see below]

CreateConnInternal olog(): Error connecting?

Hi,
I have written my application on my laptop
(Win2k server running iPlanet 6 SP3 and Oracle 8.0.4)
The application works perfectly right.
Now I deployed this same application on Solaris
running iPlanet 6 SP2 and Oracle 8.1.6.
Everything seemed fine at first, all my beans
fetch and update the right records. However, after
sometimes (about one hour) my beans start to fail in
getting connections. I have checked the kjs log file
and found the following exceptions thrown:
[] error: ORCL-002: CreateConnInternal olog(): Error when connecting using olog()
[] error: DATA-108: failed to create a data connection with any of specified drivers
What seems to be the problem?
If I stop then start the server, it works, but again
if I give it some times, the error shows up again
and my kjs hangs
Many thanks
Bilal,

hi! I am facing a very similar problem of my bean responding at times and at other times it gives the following error. It is working on Windows but i ported to solaris and i'm facing this problem. I'm using iplanet 6.5 Oracle 9i release 2 and type 4 drivers. And this is happening with one bean only. Others are working fine.
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warning: GDS-020: value block is larger than 512
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ERROR ORA-12500

Hi everybody,
To run WebDB2.0.5.6.1/oracle 8.0.5 on Linux/RH6.0
I obtain the following error message. This, results when
I prompted: $ sqlplus WEBDB@ORCL (ORCL is my database).
"ERROR:
ORA-12500: TNS:listener failed to start a dedicated server
process"
HELP: when I type : $ oerr ora 12500, I obtain the
following:
12500, 00000, "TNS:listener failed to start a dedicated
server process"
// *Cause: The process of starting up a dedicated server
process failed.
// The executable could not be found or the environment may
be set up
// incorrectly.
// *Action: Turn on tracing at the ADMIN level and
reexecute the operation.
// Verify that the ORACLE Server executable is present and
has execute
// permissions enabled. Ensure that the ORACLE environment
is specified
// correctly in LISTENER.ORA. The Oracle Protocol Adapter
that is being
// called may not be installed on the local hard drive.
Please check that
// the correct Protocol Adapter are successfully linked.
// If error persists, contact Oracle Customer Support.
Please help to solve this problem.
Regards,
Mohamed
null

Hi Rob,
Thank you for your reply.
I follow your step
1. LSRNR STOP
message : "Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1))) The command completed successfully
2. LSRNR STOP
message : "Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1))) The command completed successfully
3. LSRNR EXIT
4. TNSPING TEGUH
message : "Attemping to contact (ADDRESS=(PROTOCOL=TCP)(HOST=teguhs_nt)(PORT=1521)) OK (220 msec)"
I do all your suggestion but error still exist.
I still need help. thank you.
regards
teguh

Newbie ORA-12500 Connection Error

I am attempting to connect to the Oracle 10g database with JDeveloper, and whenever I attempt to connect, I receive this message:
Listener refused the connection with the following error:
ORA-12500, TNS:listener failed to start a dedicated server process
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I am logged into SQLPLUS with no problem as the SYSTEM account, (I only receive the problem when trying to log in through JDeveloper) and I altered the spfile processes to 200, however...
bounce the database.I do not know how to do this, what command do you use to bounce the database and what does it do, also...
Then just restart the Listener from the command prompt
lsnrctl stop
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ORA-12500 error while refreshing webi report

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The problem looks simple, but i am struck with this. I am trying to refresh a webi report in BO XI R3.1, it throws the error "DBD: ORA-12500: TNS:listener failed to start a dedicated server process". It looks like there is no issue with the tnsnames.ora and sqlnet.ora.whar could be the other cause for this issue ? Any input will be appreciated. Thanks in advance.
Thanks
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ORA-12500 Error

What is the Solution for ORA-12500 ERROR?
ORA-12500TNS:listener failed to start a dedicated server process.
Thanks in Advance.

Generally speaking one only sets the processes parameter, the sessions parameter will be automatically derive from the processes parameter.
However: each process constitutes a Windows thread.
You may be hitting the maximum number of threads for a Windows process (There is one Oracle process, and each dedicated server process is a thread).
What the maximum number of threads is I don't know, but I have never managed to have more than 200 processes.
You should investigate to convert to shared server.
Open_cursors refers to the number of SQL statements which can be opened by an individual session.
Sybrand Bakker
Senior Oracle DBA

Error Ora-12500 when using dblink

Hi all,
I have a database that I can connect directly with no problem, but there's error when I try to connect to that db from another db by using dblink
(Select * from someTab@link_name)
The error is Ora-12500
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What can I do to deal with this prob?
Thank you!

Mr_what wrote:
Thank you guys! Of course I've known what Ora-12500 means, google is always the first thing I do when have to deal with any prob.Then you should have run across the cause of the problem..?
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In your case, your TNS connection does not request a shared server connection. So the Listener needs to provide a dedicated server to service your client connection. It does so by executing +$ORACLE_HOME/bin/oracle+ - using the settings for that registered database (which includes the +$ORACLE_HOME+ dir). It passes command line parameters to this process (typically +(LOCAL=NO)+ ), and other data via the call (such as the socket handle this oracle executable needs to use to communicate with your client session).
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There can be a number of reasons why this failed. The usual two suspects are:
- the kernel not allowing the Oracle o/s user to create more processes as it has reached it resource quota
- invalid +$ORACLE_HOME+ and the call fails to load the bin/oracle executable process
I would first eliminate these two as the cause of the problem. If it is not caused by these, then I would enable listener tracing and troubleshoot a connection that results in this error. There are various levels of diagnostics that can be enabled for tracing. At the lowest level one can trace the actual calls made by the listener, including the parameters values passed.

Get error ORA-12500 : TNS Listener

I keep getting this ORA-12500 ODBC error, TNS listener could not be resolved.
What does it mean?
What is causing it?
The error comes and goes by itself within a few seconds.
Any help is appreciated.
Thanks.

I'm using Oracle 8i (8.1.6)

Frustrating ORA-12500 error

Hi all,
HELP!!!
I'm using Oracle7.3 database server on Windows NT4.0 and workstation is Chinese Windows98. My PB6.5 application make two connections whenever login. The first connection always success (retrieve application general data) and the second connection (retrieve specific data) always have the ORA-12500 error msg after ~1min24s waiting. However the 2nd connection always success on second/third attempt.
Anybody know why???
I've already checked the server's listener.ora and workstations's tnsnames.ora files, they seems normal to me.
When I run OEM, I got the ORA-12500 error msg also no matter how many times I try. But it is very normal when I use INSTANCE manager, SCHEMA manager, SECURITY manager, STORAGE manager.
Please help!!!

Generally speaking one only sets the processes parameter, the sessions parameter will be automatically derive from the processes parameter.
However: each process constitutes a Windows thread.
You may be hitting the maximum number of threads for a Windows process (There is one Oracle process, and each dedicated server process is a thread).
What the maximum number of threads is I don't know, but I have never managed to have more than 200 processes.
You should investigate to convert to shared server.
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Sybrand Bakker
Senior Oracle DBA

ORA-12500 error message, help me

Oracel 8.1.7 on Windows 2k server
run:
connect system/manager
in SQLPLUS, ok
but run:
connect system/[email protected]
in SQLPLUS,got
ORA-12500 TNS: listener failed to start a dedicated server
process
oradb1 is the SID of the only one database.
cosp.local is domain name.
oradb1.cosp.local is the service name.
all required services have been started already.
Please help to fix it.
Thanks a lot

It is a 3 party proprietary programming language, SQL-like in nature.
I used a Oracle driver replacing the Microsoft driver. This time I did not get any error but no values were inserted in the table for CLOB. But if I change the datatype to LONG, values are getting inserted.
Thanks!

Listener refused the connection with the following error: ORA-12500

Hi,
We had had some difficulties with our portal lately. All of a sudden portlets failed and started givin error messages all over our webpages.
I tried to login to EM Console to try and restart Portal OC4J and got this error
An error was encountered while loading page. An error occurred when attempting to connect to the Database.
Resolution:
Make sure that the database and listener are up.
If the database is up, make sure that the OracleAS Repository API files ias.properties and iasschema.xml are correctly configured.
If necessary, use the EM Console to reconfigure the host, user name and password associated with the database
Base Exception:
java.sql.SQLException
Listener refused the connection with the following error:
ORA-12500, TNS:listener failed to start a dedicated server process
The Connection descriptor used by the client was:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PORTAL.MSS.EDUS.SI)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=ASDB.MSS.EDUS.SI)))
. Listener refused the connection with the following error:
ORA-12500, TNS:listener failed to start a dedicated server process
The Connection descriptor used by the client was:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PORTAL.MSS.EDUS.SI)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=ASDB.MSS.EDUS.SI)))
In ..INF/network/sqlnet.log
Fatal NI connect error 12500, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=portal.mss.edus.si)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=asdb.mss.edus.si)(CID=(PROGRAM=I:\Oracle\INF\Apache\Apache\Apache.exe)(HOST=CLUSTER1)(USER=SYSTEM))))
VERSION INFORMATION:
TNS for 32-bit Windows: Version 10.1.0.4.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 10.1.0.4.0 - Production
Time: 11-JUN-2007 13:00:24
Tracing not turned on.
Tns error struct:
ns main err code: 12564
TNS-12564: TNS:connection refused
ns secondary err code: 0
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
After restart everything works as normal. Any ideas what went wrong, or where to look for some additional answers?

Ora12500 means your OS has run out of resources, so you cannot start a process on the Server Side. Post the complete error stack, the last lines show further information to troubleshoot this error.

Listener refused the connection with the following error: ORA-12500, TNS:li

I got this error when I use EM, or sqlplus:
Listener refused the connection with the following error: ORA-12500, TNS:listener failed to start a dedicated server process
when I do
$lsnrctl status:
here is the result
Service "abc.def.com" has 3 instance(s).
Instance "dbtest", status UNKNOWN, has 1 handler(s) for this service...
Instance "dbtest", status BLOCKED, has 1 handler(s) for this service...
Instance "dbtest", status READY, has 1 handler(s) for this service...
please help. Thanks.

Ora12500 means your OS has run out of resources, so you cannot start a process on the Server Side. Post the complete error stack, the last lines show further information to troubleshoot this error.

ORA-12500 and Memory limited

This is list of environment
- Oracle 8.1.7
- OS is AIX
- RAM = 2GB
- 3 instances
when user try to connect too much that will show ORA-12500 and I select this statement in a problem instance
"select count(1) from v$session" the result estimate is 502.
"select count(1) from v$process" the result estimate is 504
and another instance 10 sessions and 20 sessions.
This's folloing a part of parameters.
bitmap_merge_area_size integer 1048576
create_bitmap_area_size integer 8388608
db_block_buffers integer 10000
db_block_lru_latches integer 2
db_block_max_dirty_target integer 10000
db_block_size integer 8192
distributed_transactions integer 243
hash_area_size integer 16777216
hash_multiblock_io_count integer 32
java_pool_size string 20000K
large_pool_size string 0
processes integer 800
sessions integer 885
shared_pool_reserved_size string 15000000
shared_pool_size string 300000000
sort_area_retained_size integer 1048576
sort_area_size integer 4194304
sort_multiblock_read_count integer 32
transactions integer 973
transactions_per_rollback_segment integer 5
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I think you need to give more description about problem.
You might review the following Oracle Metalink Document:
SQL*Net (oracle Networking) Common Errors & Diagnostic Worksheet: Doc ID: Note:45878.1
https://metalink.oracle.com/metalink/plsql/f?p=130:14:5712140308577577466::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,45878.1,1,0,1,helvetica
If possible also upgrade your database.
Adith

ORA-12500 Tns listner failed to start the dedicated server process.

Hi all,
I am getting below error message when i am trying to connect to database through db console.
OS-Windows sever
Database-10GR1
ORA-12500 Tns listner failed to start the dedicated server process.
Kindly help me out..
Thanks in advance
Edited by: rajaryan on Sep 17, 2009 4:46 AM

Hi all,
I am getting below error message when i am trying to connect to database through db console.
OS-Windows sever
Database-10GR1
ORA-12500 Tns listner failed to start the dedicated server process.
Kindly help me out..
Thanks in advance
Edited by: rajaryan on Sep 17, 2009 4:46 AMYou are running short of resources. Check v$resource_limit. You may also use the orastack utility for minimizing the memory utilized by oracle.
http://hrivera99.blogspot.com/2008/01/orastack.html
Regards,
S.K.

Error: ORCL-002: CreateConnInternal olog(): ORA-12500:

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