gistfile1.txt

    @Override
    protected void doStart() throws Exception {
        super.doStart();

        transactionTemplate.execute(new TransactionCallback<Boolean>() {
            @Override
            public Boolean doInTransaction(TransactionStatus status) {
                Savepoint savepoint = status.createSavepoint():
                try {
                    // we will receive an exception if the table doesn't exists or we cannot access it
                    jdbcTemplate.execute(getTableExistsString());
                    log.debug("Expected table for JdbcMessageIdRepository exist");
                } catch (DataAccessException e) {
                    status.rollbackToSavepoint(savepoint);
                    if (createTableIfNotExists) {
                        try {
                            log.debug("creating table for JdbcMessageIdRepository because it doesn't exist...");
                            jdbcTemplate.execute(getCreateString());
                            log.info("table created with query '{}'", getCreateString());
                        } catch (DataAccessException dae) {
                            // we will fail if we cannot create it
                            log.error(
                                    "Can't create table for JdbcMessageIdRepository with query '{}' because of: {}. This may be a permissions problem. Please create this table and try again.",
                                    getCreateString(), dae.getMessage());
                            throw dae;
                        }
                    } else {
                        throw e;
                    }

                } finally {
                    status.releaseSavepoint(savepoint);
                }
                return Boolean.TRUE;
            }
        });
    }