I've got warning while starting server:
09:48:28,796 WARN [DatabasePersistencePolicy] Unable to restore timers
java.sql.SQLException: Serialization failure
at org.hsqldb.jdbc.jdbcUtil.sqlException(Unknown Source)
at org.hsqldb.jdbc.jdbcResultSet.getObject(Unknown Source)
at org.hsqldb.jdbc.jdbcResultSet.getObject(Unknown Source)
at org.jboss.resource.adapter.jdbc.WrappedResultSet.getObject(WrappedResultSet.java:358)
at org.jboss.ejb.txtimer.DatabasePersistencePolicy.doSelectTimers(DatabasePersistencePolicy.java:471)
...
My timer-info object is serializable. Where is the problem?