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When trying to export a record to Excel using the out of the box export feature, the following error appears in the application server log:
YYYY-MM-DD HH:MM:SS.mmm SEVERE [ajp-nio-8009-exec-10] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [default] in context with path [/suite] threw exception com.appiancorp.suiteapi.common.exceptions.AppianException: Error occurred during export. Please contact a system administrator for additional details. (APNX-1-4505-057) Caused by: java.lang.NullPointerException at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264) at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219)
When trying to open the Excel file generated, the following error appears:
This issue is seen when required fonts are missing. Appian needs some fonts to be available on the server hosting the application server in order to use this feature.
Install the font package fontconfig. Eg on CentOS, it can be done with the following command:
fontconfig
yum install fontconfig
This article applies to Appian version 19.2 and later.
Last Reviewed: August 2019