'java.sql.SQLException: Got error 28 from storage engine' error appears in Confluence logs
The following appears in the
org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Could not execute query; uncategorized SQLException for SQL ; SQL state [HY000]; error code ; Got error 28 from storage engine; nested exception is java.sql.SQLException: Got error 28 from storage engine at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:120) caused by: java.sql.SQLException: Got error 28 from storage engine at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1072)
This issue can cause a problem when trying to run Confluence.
This issue can also cause an error, "The URL should not be empty" when adding an application link.
The error, "error 28 from storage engine", typically indicates that you don't have enough disk space on the database server.
Verify that there is sufficient disk space on the MySQL database server. If indeed the server has insufficient disk space, free some space and restart the server.