Support Article
HTMLToPDF generation fails when using OpenJDK 1.8
SA-68762
Summary
HTMLToPDF generation using PD4ML library fails when using OpenJDK 1.8.
HTMLToPDF works when using Oracle JDK 1.8.
Error Messages
com.pega.pegarules.pub.PRRuntimeException: Caught exception while creating PDF from HTML stream
...
Caused by: java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264) ~[?:1.8.0_181-ojdkbuild]
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219) ~[?:1.8.0_181-ojdkbuild]
at sun.awt.FontConfiguration.init(FontConfiguration.java:107) ~[?:1.8.0_181-ojdkbuild]
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:774) ~[?:1.8.0_181-ojdkbuild]
at sun.font.SunFontManager$2.run(SunFontManager.java:431) ~[?:1.8.0_181-ojdkbuild]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_181-ojdkbuild]
at sun.font.SunFontManager.<init>(SunFontManager.java:376) ~[?:1.8.0_181-ojdkbuild]
at sun.awt.FcFontManager.<init>(FcFontManager.java:35) ~[?:1.8.0_181-ojdkbuild]
at sun.awt.X11FontManager.<init>(X11FontManager.java:57) ~[?:1.8.0_181-ojdkbuild]
...
Steps to Reproduce
Invoke the HTMLToPDF activity which calls the PDFUtils.generatePDF.
Root Cause
The OpenJDK package used did not have JDK. Instead, the package contained JRE.
Resolution
Perform the following local-change:
Modify the Java package to a package with ‘Developer package included’.
Published November 30, 2018 - Updated December 2, 2021
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