Here you can find the source of rollback(final Connection conn, final Logger logger)
public static void rollback(final Connection conn, final Logger logger)
//package com.java2s; /*//from w w w . j a v a2 s . c om * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.sql.Connection; import java.sql.SQLException; import org.slf4j.Logger; public class Main { public static void rollback(final Connection conn, final Logger logger) { try { if (null != conn) { conn.rollback(); } } catch (final SQLException sqe) { logger.warn("The following problem occurred while trying to rollback " + conn + ": " + sqe.getLocalizedMessage()); if (logger.isDebugEnabled()) { logger.debug("", sqe); } } } }