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When installing Appian with MySQL 8.0 and the 8.0.23 driver version, the application server fails to start with the following message observed in the application server log:
Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328) at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)
Update the database driver to the supported version and restart the application server.
This article applies to Appian 19.1 and later.
Last Reviewed: April 2021