Support Article
Exception occurs on generating PDF using the HTMLToPDF activity
Summary
Exception occurs while generating PDF using the HTMLToPDF activity post switching from Oracle Corporation Java(TM) SE Runtime Environment 1.8.0_162-b12 to OpenJDK Runtime Environment 1.8.0_181-b13.
Error Messages
[MSG][Exception][STACK][com.pega.pegarules.pub.PRRuntimeException: Caught exception while creating PDF from HTML stream at com.pega.pegarules.integration.engine.internal.util.PDFUtilsImpl.generatePDF(PDFUtilsImpl.java:219) at com.pega.pegarules.integration.engine.internal.util.PDFUtilsImpl.generatePDF(PDFUtilsImpl.java:305) at com.pegarules.generated.activity.ra_action_htmltopdf_1fb93db6c5de0e7279a6f3991fc8440e.step8_circum0(ra_action_htmltopdf_1fb93db6c5de0e7279a6f3991fc8440e.java:643) at com.pegarules.generated.activity.ra_action_htmltopdf_1fb93db6c5de0e7279a6f3991fc8440e.perform(ra_action_htmltopdf_1fb93db6c5de0e7279a6f3991fc8440e.java:189) at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3556) at com.pega.pegarules.session.internal.mgmt.Executable.invokeActivity(Executable.java:10878) at com.pegarules.generated.activity.ra_action_createclaimspdf_380551dfc05ff49d90512a671f1c599d.step3_circum0(ra_action_createclaimspdf_380551dfc05ff49d90512a671f1c599d.java:340) at com.pegarules.generated.activity.ra_action_createclaimspdf_380551dfc05ff49d90512a671f1c599d.perform(ra_action_createclaimspdf_380551dfc05ff49d90512a671f1c599d.java:105) at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3556) at
Caused by: java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264) ~[?:127.0.0.1]
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219) ~[?:127.0.0.1]
at sun.awt.FontConfiguration.init(FontConfiguration.java:107) ~[?:127.0.0.1]
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:774) ~[?:127.0.0.1]
at sun.font.SunFontManager$2.run(SunFontManager.java:431) ~[?:127.0.0.1]
at java.security.AccessController.doPrivileged(Native Method) ~[?:127.0.0.1
at sun.font.SunFontManager.<init>(SunFontManager.java:376) ~[?:127.0.0.1]
at sun.awt.FcFontManager.<init>(FcFontManager.java:35) ~[?:127.0.0.1]
at sun.awt.X11FontManager.<init>(X11FontManager.java:57) ~[?:127.0.0.1
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:127.0.0.1
at sun.reflect.NativeConstructorAcce
Steps to Reproduce
- Use an activity in the flow processing as a Post processing activity
- Use this activity to invoke out-of-the-box HTMLToStream activity
- Use PDF generation. The exception occurs
Root Cause
A defect or configuration issue in the operating environment. An issue with the openjdk-8-jre-headless installation.
Resolution
Make the following change to the operating environment:
Install the openjdk-8-jre (without headless).
Published February 26, 2019 - Updated December 2, 2021
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