Fatal error: Uncaught exception 'RuntimeException' with message 'The exit status code '9' says something went wrong: stderr: "" stdout: "" command: java -Djava.awt.headless=true -jar "/var/www/production/isabel.net/releases/20170628174301/vendor/spraed/pdf-generator-bundle/Spraed/PDFGeneratorBundle/Resources/java/spraed-pdf-generator.jar" --html "/tmp/tmp5dd2a3188366b." --pdf "/tmp/output5dd2a31883630.pdf" --encoding UTF-8.' in /var/www/production/isabel.net/releases/20170628174301/vendor/spraed/pdf-generator-bundle/Spraed/PDFGeneratorBundle/PDFGenerator/PDFGenerator.php:175 Stack trace: #0 /var/www/production/isabel.net/releases/20170628174301/vendor/spraed/pdf-generator-bundle/Spraed/PDFGeneratorBundle/PDFGenerator/PDFGenerator.php(78): Spraed\PDFGeneratorBundle\PDFGenerator\PDFGenerator->checkStatus(9, '', '', 'java -Djava.awt...') #1 /var/www/production/isabel.net/releases/20170628174301/vendor/spraed/pdf-generator-bundle/Spraed/PDFGeneratorBundle/PDFGenerator/PDFGenerator.php(55): Spraed\PDFGeneratorBundle\PDFGenerat in /var/www/production/isabel.net/releases/20170628174301/app/bootstrap.php.cache on line 3003