/**
*
* 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;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* 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.
*/
@InterfaceAudience.Public
@InterfaceStability.Stable
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);
}
}