/** * Copyright 2007 The Apache Software Foundation * * 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. */ package org.apache.hadoop.hbase.util; import java.util.HashSet; import java.util.Set; /** * Certain JVM versions are known to be unstable with HBase. This * class has a utility function to determine whether the current JVM * is known to be unstable. */ public abstract class JvmVersion { private static Set<String> BAD_JVM_VERSIONS = new HashSet<String>(); static { BAD_JVM_VERSIONS.add("1.6.0_18"); } /** * Return true if the current JVM is known to be unstable. */ public static boolean isBadJvmVersion() { String version = System.getProperty("java.version"); return version != null && BAD_JVM_VERSIONS.contains(version); } }