Ошибка ora 01019

I have a question related to oracle. I have a machine which earlier had Oracle client installed on it. I was able to connect to my oracle server using the client.

Now I recently installed oracle 11g DB on the same machine. Now I have one client and Oracle 11g DB installed. But some how I am not able to connect to oracle servers anymore. This seems a bit problem because I am getting two oracle homes and stuff in path and registry entry.

The error that I am getting while connecting is
[Microsoft][ODBC driver for Oracle][Oracle]Error while trying to retrieve text for error ORA-01019

Note: I had a similar problem once but once I uninstalled the oracle DB server and
removed the ORACLE_HOME entries things started working fine.

Could you please help me fix this problem. Do let me know if you need more information

asked Sep 24, 2012 at 7:54

virusrocks's user avatar

Well,

Just worked it out. While having both installations we have two ORACLE_HOME directories and both have SQAORA32.dll files. While looking up for ORACLE_HOMe my app was getting confused..I just removed the Client oracle home entry as oracle client is by default present in oracle DB Now its working…Thanks!!

answered Sep 24, 2012 at 9:32

virusrocks's user avatar

virusrocksvirusrocks

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3

Correct the ORACLE_HOME path.

There could be two oracle clients in the system.

I had the same issue, the reason being my ORACLE_HOME was pointed to the oracle installation which was not having the tns.ora file.

Changing the ORACLE_HOME to the Oracle directory which is having the tns.ora solved it.

tns.ora lies in client2\network\admin\

answered Aug 17, 2016 at 14:42

batflix's user avatar

WHEN ORA-01019 ERROR OCCURS

  1. Check with TNSPING , if not responding then add Service Name entry in tns.ora file.
  2. Check firewall, if enabled then disable it.
  3. Add Env. variable ORACLE_HOME to the Path of oracle client directory up to ‘c:\oracle…\client1’, this solution will definitely work.

answered Mar 11, 2021 at 5:33

Abhijeet Lutade's user avatar

I have the same issue. My solution was delete one of the oracle path in environment variable. I also changed the inventory.xml and point to the oracle home version which is in my environment path variable.

answered Apr 16, 2019 at 2:46

Vito Ng's user avatar

In my case, I just needed to install oracle 10g client on the server, becase there there was the 11g version.

Ps: I don’t needed unistall nothing, I just install the 10g version and updated the tnsnames file (C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN)

answered Jun 15, 2020 at 11:38

Luan Neres's user avatar

I was having this error with SSIS SSDT. The fix was to use a provider of «.Net Providers\OracleClient Data Provider» instead of OLEDB

answered Dec 22, 2022 at 13:36

Michael Hamilton's user avatar

You can refer to this link.

Install ODAC 64 bit driver using CMD after install ODAC 32 bit:

  1. Go to ODAC bit folder where install.bat file is located using CMD.

  2. Type install.bat all c:/oracle odac command and press Enter.

    Installation file will be located at “c:/oracle” folder.

When installing Oracle 11g client 32 and 64 bit, you must change oracle base path: “c:/oracle”

Stephen Rauch's user avatar

Stephen Rauch♦

47.9k31 gold badges107 silver badges136 bronze badges

answered Mar 17, 2018 at 3:50

RENO's user avatar

Источник

I have a question related to oracle. I have a machine which earlier had Oracle client installed on it. I was able to connect to my oracle server using the client.

Now I recently installed oracle 11g DB on the same machine. Now I have one client and Oracle 11g DB installed. But some how I am not able to connect to oracle servers anymore. This seems a bit problem because I am getting two oracle homes and stuff in path and registry entry.

The error that I am getting while connecting is
[Microsoft][ODBC driver for Oracle][Oracle]Error while trying to retrieve text for error ORA-01019

Note: I had a similar problem once but once I uninstalled the oracle DB server and
removed the ORACLE_HOME entries things started working fine.

Could you please help me fix this problem. Do let me know if you need more information

asked Sep 24, 2012 at 7:54

virusrocks's user avatar

Well,

Just worked it out. While having both installations we have two ORACLE_HOME directories and both have SQAORA32.dll files. While looking up for ORACLE_HOMe my app was getting confused..I just removed the Client oracle home entry as oracle client is by default present in oracle DB Now its working…Thanks!!

answered Sep 24, 2012 at 9:32

virusrocks's user avatar

virusrocksvirusrocks

8611 gold badge5 silver badges19 bronze badges

3

Correct the ORACLE_HOME path.

There could be two oracle clients in the system.

I had the same issue, the reason being my ORACLE_HOME was pointed to the oracle installation which was not having the tns.ora file.

Changing the ORACLE_HOME to the Oracle directory which is having the tns.ora solved it.

tns.ora lies in client2\network\admin\

answered Aug 17, 2016 at 14:42

batflix's user avatar

WHEN ORA-01019 ERROR OCCURS

  1. Check with TNSPING , if not responding then add Service Name entry in tns.ora file.
  2. Check firewall, if enabled then disable it.
  3. Add Env. variable ORACLE_HOME to the Path of oracle client directory up to ‘c:\oracle…\client1’, this solution will definitely work.

answered Mar 11, 2021 at 5:33

Abhijeet Lutade's user avatar

I have the same issue. My solution was delete one of the oracle path in environment variable. I also changed the inventory.xml and point to the oracle home version which is in my environment path variable.

answered Apr 16, 2019 at 2:46

Vito Ng's user avatar

In my case, I just needed to install oracle 10g client on the server, becase there there was the 11g version.

Ps: I don’t needed unistall nothing, I just install the 10g version and updated the tnsnames file (C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN)

answered Jun 15, 2020 at 11:38

Luan Neres's user avatar

I was having this error with SSIS SSDT. The fix was to use a provider of «.Net Providers\OracleClient Data Provider» instead of OLEDB

answered Dec 22, 2022 at 13:36

Michael Hamilton's user avatar

You can refer to this link.

Install ODAC 64 bit driver using CMD after install ODAC 32 bit:

  1. Go to ODAC bit folder where install.bat file is located using CMD.

  2. Type install.bat all c:/oracle odac command and press Enter.

    Installation file will be located at “c:/oracle” folder.

When installing Oracle 11g client 32 and 64 bit, you must change oracle base path: “c:/oracle”

Stephen Rauch's user avatar

Stephen Rauch♦

47.9k31 gold badges107 silver badges136 bronze badges

answered Mar 17, 2018 at 3:50

RENO's user avatar

Источник

I have installed Oracle 10g Express Edition. When try to test the connection I am getting the error «Error while trying to retrieve text for error ORA-01019».

Below is my code.

  strConnection = "Driver={Microsoft ODBC for 
  Oracle};Server=Servername;Uid=username;Pwd=password;"    
  Set conn = CreateObject("ADODB.Connection")
  conn.Open strConnection

  conn.Close
  Set conn = Nothing

Thanks in advance

Community's user avatar

asked Jul 22, 2010 at 5:53

ramesh's user avatar

11

I had the following error occur recently.

System.Runtime.InteropServices.COMException (0x80004005): ORA-01019: unable to allocate memory in the user side
at ADODB.ConnectionClass.Open(String ConnectionString, String UserID, String Password, Int32 Options)

I managed to resolve the problem by simply modifying my connection string.

from:

 "Provider=MSDAORA.1;Data Source=tprss;Persist Security Info=True;User ID=myUser;Password=myPassword"

To:

   "Provider=MSDASQL;Data Source=tprss;Persist Security Info=True;User ID=myUser;Password=myPassword"

someone modified/updated the components on the box.

Andrei Sfat's user avatar

Andrei Sfat

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answered Jun 16, 2011 at 22:52

DevRanger's user avatar

«ORA-01019 unable to allocate memory in the user side

Cause: The user side memory allocator returned an error.

Action: Increase the size of the process heap or switch to the old set of calls.»

Followup from the comments:

Could you try this code?

Dim Cn As ADODB.Connection
Dim CP As ADODB.Command
Dim Rs As ADODB.Recordset
Dim Conn As String
Dim QSQL As String

'Connect to Oracele server begin
Conn = "DRIVER={ORACLE ODBC DRIVER};SERVER=Service name;UID=username;PWD=password;DBQ=Service name;DBA=W;APA=T;FEN=T;QTO=T;FRC=10;FDL=10;LOB=T;RST=T;FRL=F;MTS=F;CSR=F;PFC=10;TLO=O;"

Set Cn = New ADODB.Connection

With Cn
     .ConnectionString = Conn
     .CursorLocation = adUseClient
     .Open
End With

If Cn.State = adStateOpen Then
    MsgBox "Connection successful."
End If

'Connect to Oracle server end


'close connection begin

Cn.Close
Set Cn = Nothing
Set CP = Nothing

‘close connection end

answered Jul 22, 2010 at 8:23

Sjuul Janssen's user avatar

Sjuul JanssenSjuul Janssen

1,7721 gold badge14 silver badges28 bronze badges

6

(This didnt fit in a Comment box)

You need at least one driver. The oracle driver is best but Microsoft Driver will work too.

Lets first try to make a connection string. Right click on your desktop and the create a new .txt file.
Now rename your textfile to something.udl
Double click on the udl file. Go to «Provider» and select Microsoft OLEDB Provider for Oracle. Then click on next. In the server name field you fill in your TNS name. Then username and password and put a V inside «Allow saving password» (we will need this) And click on test connection. Make sure this works.

If it works then click on OK. Now open the UDL file with a text editor. You will see something similar to:

[oledb]
; Everything after this line is an OLE DB initstring
Provider=MSDAORA.1;Password=yourpw;User ID=youruser;Data Source=yourTNS;Persist Security Info=True

Copy this part into your connection string:

Provider=MSDAORA.1;Password=yourpw;User ID=youruser;Data Source=yourTNS

Now your connection string should look like:

Conn = "Provider=MSDAORA.1;Password=yourpw;User ID=youruser;Data Source=yourTNS"

I hope this works.

answered Jul 22, 2010 at 11:07

Sjuul Janssen's user avatar

Sjuul JanssenSjuul Janssen

1,7721 gold badge14 silver badges28 bronze badges

1

I had this problem also but it is on win10.. After I have tried a lots of different solution from web .. Finally.. it worked to change connection string to fix this problem.. But I changed "Provider=MSDAORA.1" to "Provider=OraOLEDB.Oracle"

UditS's user avatar

UditS

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answered Apr 29, 2016 at 3:52

user6269646's user avatar

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Problem

Attempts to open an IBM Rational RequisitePro project results in the error «Unable to allocate Memory in user side».

Symptom

While opening a Rational RequisitePro Project, which is using Oracle as its database vendor, the following error is returned:

  • The Project name 'Test Project  Could not be opened because ODBC was not configured properly'
    ODBC error:
    ORA-01019 : Unable to allocate memory in user side
    Unable to connect to Datasource

Cause

Local security policy issues on the machine incorrectly set on local machine.

Resolving The Problem

The user who is trying to open the project might not have proper security permission on the system to open the project. Follow these steps to resolve the issue:

  1. Click Start > Control panel > Administrative tools > Local security policy
     
  2. Go to Local Policies > User Rights Management
     
  3. Go to Create global objects
     
  4. Select Properties
     
  5. Add the user to the users list of the policy

[{«Product»:{«code»:»SSSHCT»,»label»:»Rational RequisitePro»},»Business Unit»:{«code»:»BU053″,»label»:»Cloud & Data Platform»},»Component»:»Database: Oracle»,»Platform»:[{«code»:»PF033″,»label»:»Windows»}],»Version»:»7.0;7.0.0.1;7.0.0.2;7.0.1;7.0.1.1″,»Edition»:»»,»Line of Business»:{«code»:»LOB45″,»label»:»Automation»}}]

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ORA-01019: unable to allocate memory in the user side

One of the in-house developed tools which connects to the database to allow a 

user to perform configuration updates was throwing an error:

ORA-01019: unable to allocate memory in the user side

Most of the docs that I could find online told me the same thing, namely:

Cause: The user side memory allocator returned error

Action: Increase the processes heap size or switch to the old set of calls

However, sometimes the Oracle errors that you receive don’t seem to be that 

helpful in actually determining what the problem is. The ORA-01019 error is 

no exception in this case…You will find numerous forums online which tell you

 to fix the ORA-01019 error by “increasing the processes heap size” on the 

client and that it’s not to do with any configuration, just resource. I have 

found differently.

Solution:-

So, what you need to check is whether or not you have multiple ORACLE_HOMES 

installed on the client machine. The reason I say this is because in our case

 we did. We had an old Oracle 10g client and a new 11g client. We found that the 

default client was still the 10g one, so when the client was attempting to connect 

to the database it was using executables and dlls which we didn’t expect or want 

it to use.

The way to resolve your ORA-01019: unable to allocate memory in the user side is

 to ensure that you have the correct default path for the Oracle client. The 

client was running on Windows so if you type PATH from a command prompt it will 

show you what the default one is.

Change the PATH

You can update this in My Computer -> Properties -> Advanced -> Environment 

Variables -> then scroll to the System Variables window at the bottom until you see PATH and edit that. Put the path to the Oracle home that you want to use first 

before any other Oracle home in the list order.

I have some more details about how to change the PATH environment variable in another 

post if you would like to see some screenshots of where to go and change it.

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