09-Nov-2017 10:52:30.093 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class com.atlassian.jira.appconsistency.db.DatabaseCompatibilityEnforcer
java.lang.AbstractMethodError: org.hsqldb.jdbc.jdbcConnection.isValid(I)Z
at org.apache.tomcat.dbcp.dbcp2.DelegatingConnection.isValid(DelegatingConnection.jav