--- /dev/null
+/**
+ * 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.lucene.store;
+
+import java.io.IOException;
+
+/**
+ * This exception is thrown when the <code>write.lock</code>
+ * could not be acquired. This
+ * happens when a writer tries to open an index
+ * that another writer already has open.
+ * @see Lock#obtain(long)
+ */
+public class LockObtainFailedException extends IOException {
+ public LockObtainFailedException(String message) {
+ super(message);
+ }
+}