Wrong warning? to open with Reader (9.3.x or higher) "This PDF form requires a newer version of ..."

Question

Hello
I have a problem with my form, when opened with Adobe Reader Version 9.3.0.148 (included) or higher Reader systematically shows the annoying message "This PDF form requires a newer version of Adobe Reader ...".
I work with 3 versions of each form:
1) Dynamic PDF Form XDP: Generated with Adobe Designer ES 8.2, (target version "Acrobat and Adobe Reader 8.0 or later. "
XDP form has no "Warings"
XFA-Template:
2) PDF Form, generated from the XDP form of point 1), using Adobe LC Forms ES2 "renderXDPForm" method.
3) Flatten PDF, generated from the PDF form, resulting in point 2) value, using Adobe LC Assembler ES2.
DDX:
I have generated 3 different PDF rendering, changing only the "target version":
a.1 PDFFormRenderSpec.setAcrobatVersion (AcrobatVersion.Acrobat_6): MyForm-ES-AcroVersion6.pdf.
b.1 PDFFormRenderSpec.setAcrobatVersion (AcrobatVersion.Acrobat_7_0_5): MyForm-ES-AcroVersion7.pdf
c.1 PDFFormRenderSpec.setAcrobatVersion (AcrobatVersion.Acrobat_8): MyForm-ES-AcroVersion8.pdf
Of all that I've created a flat version using Assembler:
a.2: MyForm-ES-AcroVersion6-flatten.pdf
b.2: MyForm-ES-AcroVersion7-flatten.pdf
c.2: MyForm-ES-AcroVersion8-flatten.pdf
Attach all forms of work[zip 4 download].
Well ... I tried to open all forms generated (six) with versions of Adobe Reader from 8.1.0 to 10.0.1.434 X and the findings are that the annoying warning message is displayed only with the flattened forms and from version 9.3 .0.148 (included) or higher.
Table of test, where
OK= No message at open.
Err= Message displayed.
I do not understand or just logical that the most current versions (and higher) Reader is precisely this message to appear at what may be due? What's happening?
Why the message is taught only in the flattened forms?
How I can solve this problem?
Thanks.

Answer 1

I do not use the method "renderPDFForm" (at least not explicitly), instead use the "renderXDPForm (...)".
I added the XDP form the zip (I forgot): download from here!
And the only parameter that you can tell this method over the "target" of the resulting PDF is "com.adobe.idp.services.PDFFormRenderSpec. "
/* Common to all generated PDF */
com.adobe.idp.services.PDFFormRenderSpec renderSpec= new com.adobe.idp.services.PDFFormRenderSpec();
renderSpec.setLinearizedPDF(true);
renderSpec.setLocale("es_ES");
renderSpec.setRenderAtClient(RenderAtClient.No);
renderSpec.setCacheEnabled(false);
renderSpec.setStandAlone(true);
/* Target version 8 o superior: Usede ONLY to generate "MyForm-ES-AcroVersion8.pdf" */
renderSpec.setAcrobatVersion(AcrobatVersion.Acrobat_8);
/* Target version 7.0.5 o superior: Usede ONLY to generate "MyForm-ES-AcroVersion7.pdf"  */
renderSpec.setAcrobatVersion(AcrobatVersion.Acrobat_7_0_5);
/* Target version 6 o superior: Usede ONLY to generate "MyForm-ES-AcroVersion6.pdf"  */
renderSpec.setAcrobatVersion(AcrobatVersion.Acrobat_6);
After this, process PDF forms resulting in Assembler.
I tried also NO explicitly assign the "AcroVersion" ... and in such cases, the resulting AcroVersion indicated corresponds to the time of design (Adobe Designer, File / Form Properties / Default / Target Version), and in such cases the resulting PDF, also displays the warning message.
I do not know if I answered your question.
Any idea?