Making use of 'obsolete' OLE container in Forms10g

I have a column in a database table of type LONG RAW . This column was represented as an OLE Container - which in 10g is obsolete - in a form (Forms 6i). Trying to compile this form to Forms10g , I receive an error FRM-30454.
Is it possible to retain the form as it is , by simply change a property , ....
Anyway , What are the possible solutions for this kind of problem?
Thanks , Simon

What is the role of 'Importing OLE Library Interfaces' which is a menu selection found on Forms Builder menu->Program->Import OLE Library Interfaces?
How is there the capability to import for example 'Word.Document' OLE classes as OLE containers are obsolete?
Is there an example on how to use them...?
I didn't find anything -only directions on how to import- in the on-line help of Forms 10g!!!
Thanks ,
Simon

Similar Messages

Retriving a blob after it was loaded by OLE container in forms 6i

We had forms6i application which has loaded documents into a blob column in the database using OLE container. We are able to retrive the blob from the OLE container on the forms6i, However when we are trying to retrive the same blob using PL/sql into the OS level file , we are unable to open the file as it not able to de-serialize the blob loaded into the database by an OLE container on the forms 6i
we have loaded around 5000 documents in the database using forms 6i application.
These were loaded during normal application usage and added mannually by invoking the forms application and then saving.
Our requirement is now to retrive these documents all at once using automated scripts. if Blob data is inserted using forms 6i OLE container then is there any automated exteneded procedures to retrive those blobs using PL SQL script or any other method.
my Forms version:Forms 6.0.8.25
My Databae : Oracle database 10.2.0.4
Thanks in advance.

When you click a C/S OLE object, it is opened with its default application's owner, no ?
So if the OLE object is opened by Excel, the extension is .xls.
In any case you have to open the OLE object with its "mother" application if you want to save it as a file, so there is no problem at all to decide with extension to use.
If you read this article : http://sheikyerbouti.developpez.com/webutil-docs/Webutil_store_edit_docs.htm you can see that the filename is automatically opened with the corresponding application.
Francois

Problem in Using OLE Container

Sir I have development an ActiveX in VB for urdu in oracle forms.
The problems I am facing is that it is storing the input efficiently but
when I Query the saved data it is not working,
I got an Error that OLE Object not defined for the current record.
It create the OLE object for a new record and take input & save it
But as I assign the retrieved Data in Post Query, it give error object not
defined.
At the same time it display out when assign with when button pressed.
the code that is working is for saving in the database is at save button (when
button pressed)
DECLARE
VEN_IDp OLE2.OBJ_TYPE;
VEN_NAMEp OLE2.OBJ_TYPE;
ADD1p OLE2.OBJ_TYPE;
CITYp OLE2.OBJ_TYPE;
ZIPCODEp OLE2.OBJ_TYPE;
STATEp OLE2.OBJ_TYPE;
COUNTRYp OLE2.OBJ_TYPE;
PHONE1p OLE2.OBJ_TYPE;
PHONE2p OLE2.OBJ_TYPE;
MOBILEp OLE2.OBJ_TYPE;
FAXp OLE2.OBJ_TYPE;
ECOMMENTSp OLE2.OBJ_TYPE;
n1 NUMBER;
V1 VARCHAR2(255);
V2 VARCHAR2(255);
V3 VARCHAR2(255);
V4 VARCHAR2(255);
V5 VARCHAR2(255);
V6 VARCHAR2(255);
V7 VARCHAR2(255);
V8 VARCHAR2(255);
V9 VARCHAR2(255);
V10 VARCHAR2(255);
V11 VARCHAR2(255);
V12 VARCHAR2(255);
BEGIN
--creating pointers to the activeX's
VEN_IDp := FORMS_OLE.GET_INTERFACE_POINTER('VEN_IDU');
VEN_NAMEp := FORMS_OLE.GET_INTERFACE_POINTER('VEN_NAMEU');
ADD1p := FORMS_OLE.GET_INTERFACE_POINTER('ADD1U');
CITYp := FORMS_OLE.GET_INTERFACE_POINTER('CITYU');
ZIPCODEp := FORMS_OLE.GET_INTERFACE_POINTER('ZIPCODEU');
STATEp := FORMS_OLE.GET_INTERFACE_POINTER('STATEU');
COUNTRYp := FORMS_OLE.GET_INTERFACE_POINTER('COUNTRYU');
PHONE1p := FORMS_OLE.GET_INTERFACE_POINTER('PHONE1U');
PHONE2p := FORMS_OLE.GET_INTERFACE_POINTER('PHONE2U');
MOBILEp := FORMS_OLE.GET_INTERFACE_POINTER('MOBILEU');
FAXp := FORMS_OLE.GET_INTERFACE_POINTER('FAXU');
ECOMMENTSp := FORMS_OLE.GET_INTERFACE_POINTER('ECOMMENTSU');
--getting new value returned by the ActiveX
N1 :=Project1_UserControl1.getUrduText(VEN_IDp);
V2 :=Project1_UserControl1.getUrduText(VEN_NAMEp);
V3 :=Project1_UserControl1.getUrduText(ADD1p);
V4 :=Project1_UserControl1.getUrduText(CITYp);
V5 :=Project1_UserControl1.getUrduText(ZIPCODEp);
V6 :=Project1_UserControl1.getUrduText(STATEp);
V7 :=Project1_UserControl1.getUrduText(COUNTRYp);
V8 :=Project1_UserControl1.getUrduText(PHONE1p);
V9 :=Project1_UserControl1.getUrduText(PHONE2p);
V10 :=Project1_UserControl1.getUrduText(MOBILEp);
V11 :=Project1_UserControl1.getUrduText(FAXp);
V12 :=Project1_UserControl1.getUrduText(ECOMMENTSp);
assigning the value to database item for saving
:VEN_ID := N1;
:VEN_NAME :=V2;
:ADD1 := V3;
:CITY :=V4;
:ZIPCODE :=V5;
:STATE :=V6;
:COUNTRY:=V7;
:PHONE1 :=V8;
:PHONE2 :=V9;
:MOBILE :=V10;
:FAX :=V11;
:ECOMMENTS :=V12;
END;
-- It save the record successfully
and the code not working at (post query OR timer expired created at post query)
It query the data from database and display it in the textitem but I want to
assign it to ActiveX for Urdu Display
(the activeX display Urdu for assiged value in button pressed case)
DECLARE
VEN_IDp OLE2.OBJ_TYPE;
VEN_NAMEp OLE2.OBJ_TYPE;
ADD1p OLE2.OBJ_TYPE;
CITYp OLE2.OBJ_TYPE;
ZIPCODEp OLE2.OBJ_TYPE;
STATEp OLE2.OBJ_TYPE;
COUNTRYp OLE2.OBJ_TYPE;
PHONE1p OLE2.OBJ_TYPE;
PHONE2p OLE2.OBJ_TYPE;
MOBILEp OLE2.OBJ_TYPE;
FAXp OLE2.OBJ_TYPE;
ECOMMENTSp OLE2.OBJ_TYPE;
V1 VARCHAR2(255);
V2 VARCHAR2(255);
V3 VARCHAR2(255);
V4 VARCHAR2(255);
V5 VARCHAR2(255);
V6 VARCHAR2(255);
V7 VARCHAR2(255);
V8 VARCHAR2(255);
V9 VARCHAR2(255);
V10 VARCHAR2(255);
V11 VARCHAR2(255);
V12 VARCHAR2(255);
str1 VARCHAR2(255);
str2 VARCHAR2(255);
str3 VARCHAR2(255);
str4 VARCHAR2(255);
str5 VARCHAR2(255);
str6 VARCHAR2(255);
str7 VARCHAR2(255);
str8 VARCHAR2(255);
str9 VARCHAR2(255);
str10 VARCHAR2(255);
str11 VARCHAR2(255);
str12 VARCHAR2(255);
BEGIN
SYNCHRONIZE;
VEN_IDp := FORMS_OLE.GET_INTERFACE_POINTER('VEN_IDU');
VEN_NAMEp := FORMS_OLE.GET_INTERFACE_POINTER('VEN_NAMEU');
ADD1p := FORMS_OLE.GET_INTERFACE_POINTER('ADD1U');
CITYp := FORMS_OLE.GET_INTERFACE_POINTER('CITYU');
ZIPCODEp := FORMS_OLE.GET_INTERFACE_POINTER('ZIPCODEU');
STATEp := FORMS_OLE.GET_INTERFACE_POINTER('STATEU');
COUNTRYp := FORMS_OLE.GET_INTERFACE_POINTER('COUNTRYU');
PHONE1p := FORMS_OLE.GET_INTERFACE_POINTER('PHONE1U');
PHONE2p := FORMS_OLE.GET_INTERFACE_POINTER('PHONE2U');
MOBILEp := FORMS_OLE.GET_INTERFACE_POINTER('MOBILEU');
FAXp := FORMS_OLE.GET_INTERFACE_POINTER('FAXU');
ECOMMENTSp := FORMS_OLE.GET_INTERFACE_POINTER('ECOMMENTSU');
--function setUrduText(interface oleobj,text in out varchar2) Return varchar2
This function Displays Urdu when value is assigned in when button pressed event
str1 :=Project1_UserControl1.setUrduText(VEN_IDp,:VENDOR.VEN_ID);
str2 :=Project1_UserControl1.setUrduText(VEN_NAMEp,:VENDOR.VEN_NAME);
str3 :=Project1_UserControl1.setUrduText(ADD1p,:VENDOR.ADD1);
str4 :=Project1_UserControl1.setUrduText(CITYp,:VENDOR.CITY);
str5 :=Project1_UserControl1.setUrduText(ZIPCODEp,:VENDOR.ZIPCODE);
str6 :=Project1_UserControl1.setUrduText(STATEp,:VENDOR.STATE);
str7 :=Project1_UserControl1.setUrduText(COUNTRYp,:VENDOR.COUNTRY);
str8 :=Project1_UserControl1.setUrduText(PHONE1p,:VENDOR.PHONE1);
str9 :=Project1_UserControl1.setUrduText(PHONE2p,:VENDOR.PHONE2);
str10 :=Project1_UserControl1.setUrduText(MOBILEp,:VENDOR.MOBILE);
str11 :=Project1_UserControl1.setUrduText(FAXp,:VENDOR.FAX);
str12 :=Project1_UserControl1.setUrduText
END;
I am not getting the point that why the Error OLE object not defined occur in
display case where as in new record the object is activited on new record
instane by itself but not in post query
I am working on application of a library with Urdu data and at last step Iam
facing the problem above PLs guide me
Thanks in advance
null

Hi,
- I am using Oracle Forms [32 bit] Versión 5.0.6.23.1 and Oracle 8i Enterprise Edition Release 8.1.7.0.0 as database.
- The process can be reproduced in a stand alone form. You need to access a table with a RAW column in which the file is stored and put that column in an OLE Container.
- It works with filetypes .xls, .doc, .pdf but (sometimes, not always) not with filetype .TIF (with an MS Imaging program associated).
- I have 2 errors:
- "No se puede encontrar el archivo 'C:\DOCUME~1\CAPEST~1\CONFIG~1\Temp\PKGnnn.TIF' (o uno de sus componentes). Asegúrese de que la ruta y el nombre de archivo son correctos y de que todas las bibliotecas está disponibles." This would be something like "The file 'C:\DOCUME~1\CAPEST~1\CONFIG~1\Temp\PKGnnn.TIF' (or one of its components) can be found. Be sure that the path and the filename are corrects and all the libraries are ready".
- "No se puede abrir el archivo 'C:\DOCUME~1\CAPEST~1\CONFIG~1\Temp\PKGnnn.TIF'. Compruebe el nombre de archivo y los permisos." ("The file 'C:\DOCUME~1\CAPEST~1\CONFIG~1\Temp\PKGnnn.TIF' can´t be open. Check the filename and the grants."
I hope this help.
Edited by: Valla1 on Jan 21, 2009 8:40 AM
The problem was that the field was mouse navigable.

Using RealPlayer control in OLE container to play video

Hi everyone,
I am a student and I want to use Oracle OLE control in Oracle forms to implement some multimedia data. I choose RealPlayer G2 control / Window media Player / even Oracle Video Control to do this. But I have one common problem that I can't insert those control object in the OLE container automatically(in the designer).
How can I have the multimedia control object start when forms runtime?
Also, how can I store and retrieve data using that multimedia control object?
Anyone can help me?
Thx.
Carol

Hello,
I have a similar problem. I want to extract a blob filed with ole from forms with other tools to a file, but the new file then has extra informations about the ole-object. Due to MetaLink there seems to be no possibility to strip these extra bytes off the data.
Please let me know if you have a solution to this problem.
Greetings,
Thorsten.

FRM 40010 after using Ole container

Hi,
I am using an OLE container item to store different file types on Oracle 9 DB using Forms 6.0.8.27.0 .
Whenever I save a document using the ole container, exit the form, I cannot run any other form from my application. I get FRM-40010 :'Cannot read form XXX'
If I restart the application everything works fine until I use the ole container again to save a file. Then I get the same error.
It seems that the ole container changes the working directory.
Forms60_Path is set correctly.
Inserting a file from the correct working directory and deleting it (just to let the ole container changes the working directory to the one I want) is not a practical solution.
Thanks in advance for any hints,
Marco.

David,
not sure if this is a bug, because if you don't specify the '.rep' then, because of the search order used, the rep file is used anyway if available in the Reports_Path. One thing that could happen though is that your application now picks up an rdf file (maybe in the Reports60 directory) because the rep file is read later. Please check how many occurences of teh report file you have.
Repeatingly calling run_product will issue the same job to the Reports runtime over and over. The Reports runtime is not able to handle multiple jobs in parallel, one at a time. This means that if the Reports runtime is busy the Reports execution has to wait if not crahsing. The rdf file - if used - wins soem time in that it gets compiled on te fly before getting executed.
Frank
Ps.: Will not deny the chance of a bug, but Forms60 is desupported and you won't get a fix for i

OLE Container linked documents conversion to Web Forms

We have developed a form within our Oracle 6i application which allows users to navigate directly from the Forms application to relevant documents. We use an OLE container and the documents (Word, Excel, PDF etc) are linked rather than embedded in the database. I understand that OLE containers are not supported within Web Forms. I'd like to maintain the functionality within the application and welcome any suggestions. I was hoping that Web_Util would provide this but it doesn't appear so. We have over 12000 embedded references to documents which we'd like to extract or retain. A possible solution would be to extract the filenames and paths/locations and have them available as a hyperlink.
I have no idea how to extract the file from the database blob column. There are many samples of code on Metalink to extract the document and store it locally but that's not what we want.
We use an OLE container (now Obsolete) with the OLE Tenant Type set to Linked, and OLE Tenant Aspect set to Icon. So the actual document is not embedded in the database but somehow the Application (Word Excel etc) knows the filename and path when you double click on the Icon.
I would like to extract the filename/path from the blob column and transfer it to another column which will be used as a hyperlink.

The documents are NOT stored in the database, they are linked. We have the documents on the network but have no idea which documents match to which unique record id on the database. Hence the need to extract the name and location of the files. Some ids can have up to 10 different documents attached to them
The use of OLE Tenant type "Linked" was really a Forms 6 version of a hyperlink.
I've got a hyperlink working for future use in attaching new documents to a record id. I am worried that we've lost the record of old links. I don't understand how Oracle can make something obsolete without at least providing an upgrade method.
Hope this makes it clearer.
Lesley

6i to 9i conversion OLE container stored in a LONG RAW column to BLOB

I need to automate the migration of data stored in a long raw column to a blob column. The objects were stored in the long raw column using an Oracle Forms 6i OLE container. There is also multiple object types stored in the column, ie (word, excel, images, but mostly pdf's). I have looked at the webutil package but cannot figure out how to read the long raw column since ole containers are obsolete in 9i. I have a lot of records that need migrating and need help.
Thanks,
J. Broome
[email protected]

It doesn't appear that I am able to attach the PDF files. Can you supply your email (or I can supply mine) so I can send you the three files:
1.) A good PDF (manually extracted from our old application)
2.) Dump of the same PDF file (includes header/footer info)
3.) A partially fixed PDF file (but some of the pictures / pages are cut off - specifically pages 3,5,9,10,12,14)
The way that we have tried to fix the file (in example 3 above) is the following:
a.) Find the First Occurrence of "%PDF-"
b.) Find the Last Occurrence of "%%EOF"
c.) if the first "%PDF-" is found AND the last "%%EOF" is found, then
i.) Remove all data before the first %PDF-
ii.) Remove all data after the last %%EOF
Let me know if you need any other information.
Thanks,
Mike

OLE-Container and migration to the web

Our environment:
We run our forms in both, client-server and web-environment. Now we plan to migrate some outstanding tasks to the web (using web_util) and then desupport the client-server-version.
My problem:
There is a form with a OLE-Container. Users can store and retrieve documents like pdf or tif in the database (longraw). Until yet there are no constraints respecting to the filetype. For the future we want to limit the user to pdf and tif.
How can I migrate this application to the web?
OLE-Objects are obsolet, but I don't see, how web_util can help.
I don't know how the data are modified when an ole-object is stored to the longraw-column. I guess there must be some tags/ envelopes, describing the type of the document.
Is this "ole-format" also obsolet? Should we migrate our data, too?
What do you recommend?
Wolfram Dorner

Hello,
<p>Here is one workaround.</p>
Francois

How can I load a .xlsx File into a SQL Server Table using a Foreach Loop Container in SSIS?

I know I've REALLY struggled with this before. I just don't understand why this has to be soooooo difficult.
I can very easily do a straight Data Pump of a .xlsX File into a SQL Server Table using a normal Excel Connection and a normal Excel Source...simply converting Unicode to DT_STR and then using an OLE DB Destination of the SQL Server Table.
If I want to make the SSIS Package a little more flexible by allowing multiple .xlsX spreadsheets to be pumped in by using a Foreach Loop Container, the whole SSIS Package seems to go to hell in a hand basket. I simply do the following...
Put the Data Flow Task within the Foreach Loop Container
Add the Variable Mapping Variable User::FilePath that I defined as a Variable and a string within the FOreach Loop Container
I change the Excel Connection and its Expression to be ExcelFilePath ==> @[User::FilePath]
I then try and change the Excel Source and its Data Access Mode to Table Name or view name variable and provide the Variable Name User::FilePath
And that's when I run into trouble...
Exception from HRESULT: 0xC02020E8
Error at Data Flow Task [Excel Source [56]]:SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occured. Error code: 0x80004005.
Error at Data Flow Task [Excel Source [56]]: Opening a rowset for "...(the EXACT Path and .xlsx File Name)...". Check that the object exists in the database. (And I know it's there!!!)
I don't understand by adding a Foreach Loop Container to try and make this as efficient as possible has caused such an error unless I'm overlooking something. I have even tried delaying my validations and that doesn't seem to help.
I have looked hard in Google and even YouTube to try and find a solution for this but for the life of me I cannot seem to find anything on pumping a .xlsX file into SQL Server using a Foreach Loop Container.
Can ANYONE please help me out here? I'm at the end of my rope trying to get this to work. I think the last time I was in this quandry, trying to pump a .xlsX File into a SQL Server Table using a Foreach Loop Container in SSIS, I actually wrote a C# Script
to write the contents of the .xlsX File into a .csv File and then Actually used the .csv File to pump the data into a SQL Server Table.
Thanks for your review and am hoping and praying for a reply and solution.

Hi ITBobbyP,
If I understand correctly, you want to load data from multiple sheets in an .xlsx file into a SQL Server table.
If in this scenario, please refer to the following tips:
The Foreach Loop container should be configured as shown below:
Enumerator: Foreach ADO.NET Schema Rowset Enumerator
Connection String: The OLE DB Connection String for the excel file.
Schema: Tables.
In the Variable Mapping, map the variable to Sheet_Name, and change the Index from 0 to 2.
The connection string for Excel Connection Manager is the original one, we needn’t make any change.
Change Table Name or View name to the variable Sheet_Name.
If you want to load data from multiple sheets in multiple .xlsx files into a SQL Server table, please refer to following thread:
http://stackoverflow.com/questions/7411741/how-to-loop-through-excel-files-and-load-them-into-a-database-using-ssis-package
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

How can I read a blob created with ole container in forms 6i in forms 10g

In forms 6i I used ole container to save a document (excel, pdf, word...) into a blob column.
I want to migrate my application in forms 10g and I read that I have to use webutil_File_transfer.db_to_client and after webutil_host.blocking to see the document.
In the same blob column I can have multiple type of document. How Can I know wich application to use to open the document ?
Even if I know the extension of my document I'm enabled to open the file ???

When you click a C/S OLE object, it is opened with its default application's owner, no ?
So if the OLE object is opened by Excel, the extension is .xls.
In any case you have to open the OLE object with its "mother" application if you want to save it as a file, so there is no problem at all to decide with extension to use.
If you read this article : http://sheikyerbouti.developpez.com/webutil-docs/Webutil_store_edit_docs.htm you can see that the filename is automatically opened with the corresponding application.
Francois

Create a Word document in a OLE container, save it in a BLOB and display it in a rep!

When im saving a worddoc like a OLE container in a BLOB and trying to display it in a report the text does not look exactly like it did in word. What i happening whit the doc while saving it into the BLOB and tryning to display it in another OLE container?
Best Regards
Fredrik Hammarqvist

You might want to add a browser layer over your flex
application and let the browser manage the file types. I personally
use the HTML component from
http://drumbeatinsight.com/.

Opening pdf file in ole container in forms 6i

Dear Sir,
I have am working on Rental property system , i have to save the PDF of original agreement document along with the agreement transaction data entry form, but when i open those agreement in adobe writer there is issue that user can save as its copy to the local machine, to prevent it i m opening that pdf file into the OLE container rather than adobe reader software.
but the problem i am facing is that, the pdf is opening in the ole container but it is only showing its first page only even if the agreement is of multiple pages, how can navigate to other pages? any idea? the sample code of oracle form is attached herewith which i am using for loading the pdf into ole container.
waiting for your earliest response.
Regards

You need to switch from using VB6 at this point. As of the latest update, VB6 compiled applications will stop working with Adobe Reader. See the following KB:
PDF applications built with VB6 don't work with Acrobat 11.0.07

OLE Container and Forms9i

I have a table containing a blob field. The field have texts and pictures in Acrobat reader format and JPEG format.
The forms 6 use an OLE Container to manipulate these data's.
I would like the have the same kind of possibilities in the Web environment.
I don(t have any ideas how to proceed (I don't have write any OLE script).
Did someone have an idea how to proceed ?
Thanks

Thanks for the answers I have received.
I'am implementing the following solution:
1) Download the document stored in the BLOB to a local temporary document (via webutil_file_transfert.db_to_client_with_progress procedure)
2) Start Acrobat Reader and load the document (via CLIENT_HOST procedure)
3) Upload the document to the database.
My problem is: The document in the temporary file contains an OLE Container Header !
I need to clean up all the documents store in the BLOB in order to be able to open them.
Any ideas ??
Thanks

Forms 6i : Ole Container : Locking problem

We have a form in which user can attach all sorts of documents that are then saved in the database.
Once in a while we have a locking problem; when 2 users try to open the same document, the second one first gets a 'Could not reserve record (2 tries). Keep trying?'. When clicking 'No', the next error message is 'Frm-40501 : unable to reserve record for update or delete', and the form cannot be used anymore. He keeps complaining about the reserved record.
I've been looking into this problem but cannot seem to find a lot of help.
Does anyone have an idea how to solve this locking problem?
I have tried the following things:
* setting the block to locking mode 'Delayed' => we ended up having duplicate records.
* Changing properties of the ole-container (In Place Activation, Inside Out support, ...).
Forms version is 6.0.8.13.0, database 8.0.6.0.0.
Any help is appreciated.

that seems to be a normal locking problem. Do you have tried to work with an ON-LOCK trigger ? (e.g. first to see, when locking will occur, second for implementing an own locking-behaviour, maybe with a SELECT for UPDATE)
Or do you think, that there is something special with your OLE-programming ?
Gerd

Problems with OLE Container in QUERY

Hi all,
I have problem with OLE Container when I am trying to retrieve data from the database. Inserting is no problem and commit is done. I am doing it with
initialize_container('block.ole_object','C:\test.doc');
I have only one column of BLOB type and it is last in the block as it was suggested somewhere on the forum.
When I am trying to retrieve the already inserted data I get error with the following
Description:
FRM-40505: Oracle ERROR: unable to perform query and CTRL+F1 says the following:
ORA-00932: inconsistent data types: expected got
The forms and the database are as follow:
Forms [32 Bit] Version 6.0.8.24.1 (Production)
Oracle Database 10g Enterprise Edition Release 10.1.0.4.2 - Production
I need immediate help!!!

This may be related to the 10g database, I'm not sure as there is no way for me to test it. I know that it works with a 9i database.
One thing to check is to make sure that you don't have the FORMS60_DISABLE_DESCRIBE set to 1 within the Oracle registry.
If this doesn't work, your only option might be to use a LONG RAW instead of a BLOB column type in the database.

Making use of 'obsolete' OLE container in Forms10g

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