| /** |
| * 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); |
| } |
| } |