SAS® Visual Investigator attachments fail to extract in SAS® Viya® 3.5 with "A system internal error occurred..."


SAS Visual Investigator fails when you use the “Extract attachment content for all entities” functionality on the Data Objects tab. The Jobs tab in SAS Visual Investigator displays a failed status for the job associated with processing attachments and might indicate an error similar to the following:

A system internal error occurred. Please contact support team with details.

When this error occurs, the /opt/sas/viya/config/var/log/files/default/sas-files_<date>.log file contains the following error, which matches the time of the attachment extraction failure in SAS Visual Investigator:

2026-03-24 16:32:34.665 ERROR 18735 — [0-auto-1-exec-3] c.s.s.f.domain.PostgresContentDAOImpl : sas.svi-datahub@@aml [383be32ea4f9eb4b] org/apache/commons/io/input/UnsynchronizedBufferedReader Exception : java.lang.NoClassDefFoundError: org/apache/commons/io/input/UnsynchronizedBufferedReader

2026-03-24 16:32:34.667 ERROR 18735 — [0-auto-1-exec-3] com.sas.commons.rest.ExceptionLog : sas.svi-datahub@@aml [383be32ea4f9eb4b] com.sas.commons.rest.exceptions.ResourceException: An error occurred. The request failed.

There is no workaround for this issue.