While generating a yearly report, it encounters "internal server error." The server log shows the error below.
ERROR [org.apache.fop.area.AreaTreeModel] (default task-132) Error while rendering page 1: java.lang.RuntimeException: org.apache.fop.render.intermediate.IFException: I/O error flushing the PDF document
Identity Governance Any versions
This Apache FOP error indicates a fatal problem finishing the PDF document, typically caused by file system issues (disk full, permission denied) or resource exhaustion (memory/font errors) during rendering.
Reference Link:
https://issues.apache.org/jira/browse/FOP-2864
To fix this issue, please check the disk space, increase Java heap memory (-Xmx), and verify that all external images or fonts are accessible and properly loaded.
This is an Environment issue