This error usually appears when the expiration date has passed for the link used to download an eBook from Adobe Content Server. In a normal workflow, an .acsm file is generated for a book that is used as the link to download the actual book. This... Read More

Problem / Error Solution(s) / Info java.lang.Error: Problem reading key and certificate from keystore Password in fulfillment.conf may be incorrect (including extra white space) p12 (certificate) may be corrupted E_LSGN_NO_CERTIFICATE and... Read More

If you have an update for a book that is packaged in Adobe Content Server, or you want to change metadata, such as the title or description, or want to re-package for any other reason, you can use the replace feature in the package process. This will... Read More

With the introduction of Java 7u141 and 8u131, Oracle decided that it was time to disable MD5 signatures. While everyone can agree that this was a good decision, it does cause some havoc with software that still uses MD5 signed JAR files. Adobe... Read More

If you are an Adobe Content Server administrator that needs to change the fulfillment URL of your ACS installation, perhaps because you may be moving ACS to the cloud, please be aware that there are additional steps to be taken to do so... Read More

Adobe PDF Library does not offer a single interface that will allow control of both Optional Content and Annotations at the same time for a PDF document. PDPageDrawContentsToMemory() allows selection of Annotation faces, but does not have control for... Read More

APDFL lets the client define the output color spaces. The APIs in Adobe PDF Library that set the default output color spaces are: PDPrefSetWorkingRGB PDPrefSetWorkingCMYK PDPrefSetWorkingGray These allow the client application to pass in an ICC... Read More

When using a function or object to print PDF files, you might sometimes see the print job fail, where some or all of the fonts are missing. If you embed all of the fonts in a PDF document, it can be sent to any printer, on any system. The speed of... Read More

When rendering with PDPageDrawContentsToMemory, specify 1 Bits per Component (BPC) instead of 8 BPC when using DeviceGray as the csAtom. A component here refers to a color channel; RGB has three (red, green, blue), while CMYK has four. See the... Read More

The first line of every PDF document is a file header with the characters “%PDF-“ followed by a version number, shown as “1.n,” where “n” would be a digit from 0 to 7. So the first line of a PDF document might look like this: %PDF-1.7 The... Read More