Hello there I am using Camunda platform on V7.15 &7.16 I find that it would something return internal server error but I dont do anything, anyone have same problem? I am using Mysql 8.0 database.
I check the log and here are some example:
Sample log (1)
2021-11-19T10:08:07.019879271+08:00 stderr F 19-Nov-2021 02:08:06.828 SEVERE [http-nio-8080-exec-8] org.camunda.commons.logging.BaseLogger.logError ENGINE-16004 Exception while closing command context: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:08:07.019879271+08:00 stderr F org.camunda.bpm.engine.ProcessEngineException: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:08:07.019879271+08:00 stderr F at org.camunda.bpm.engine.impl.util.ExceptionUtil.wrapPersistenceException(ExceptionUtil.java:263)
Sample log (2)
2021-11-19T10:07:36.837902423+08:00 stderr F 19-Nov-2021 02:07:36.823 SEVERE [http-nio-8080-exec-4] org.camunda.commons.logging.BaseLogger.logError ENGINE-16004 Exception while closing command context: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:07:36.837902423+08:00 stderr F org.camunda.bpm.engine.ProcessEngineException: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:07:36.837902423+08:00 stderr F at org.camunda.bpm.engine.impl.util.ExceptionUtil.wrapPersistenceException(ExceptionUtil.java:263)
Sample log (3)
2021-11-19T10:07:36.837902423+08:00 stderr F 19-Nov-2021 02:07:36.823 SEVERE [http-nio-8080-exec-4] org.camunda.commons.logging.BaseLogger.logError ENGINE-16004 Exception while closing command context: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:07:36.837902423+08:00 stderr F org.camunda.bpm.engine.ProcessEngineException: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
2021-11-19T10:07:36.837902423+08:00 stderr F at org.camunda.bpm.engine.impl.util.ExceptionUtil.wrapPersistenceException(ExceptionUtil.java:263)