[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.hadoop.mapred; |
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| 19 | |
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| 20 | import java.io.IOException; |
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| 21 | |
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| 22 | import org.apache.hadoop.fs.FileSystem; |
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| 23 | import org.apache.hadoop.fs.Path; |
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| 24 | |
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| 25 | public class TestTaskCommit extends HadoopTestCase { |
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| 26 | |
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| 27 | static class CommitterWithCommitFail extends FileOutputCommitter { |
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| 28 | public void commitTask(TaskAttemptContext context) throws IOException { |
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| 29 | Path taskOutputPath = getTempTaskOutputPath(context); |
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| 30 | TaskAttemptID attemptId = context.getTaskAttemptID(); |
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| 31 | JobConf job = context.getJobConf(); |
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| 32 | if (taskOutputPath != null) { |
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| 33 | FileSystem fs = taskOutputPath.getFileSystem(job); |
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| 34 | if (fs.exists(taskOutputPath)) { |
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| 35 | throw new IOException(); |
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| 36 | } |
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| 37 | } |
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| 38 | } |
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| 39 | } |
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| 40 | |
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| 41 | public TestTaskCommit() throws IOException { |
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| 42 | super(LOCAL_MR, LOCAL_FS, 1, 1); |
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| 43 | } |
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| 44 | |
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| 45 | public void testCommitFail() throws IOException { |
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| 46 | Path rootDir = |
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| 47 | new Path(System.getProperty("test.build.data", "/tmp"), "test"); |
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| 48 | final Path inDir = new Path(rootDir, "input"); |
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| 49 | final Path outDir = new Path(rootDir, "output"); |
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| 50 | JobConf jobConf = createJobConf(); |
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| 51 | jobConf.setMaxMapAttempts(1); |
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| 52 | jobConf.setOutputCommitter(CommitterWithCommitFail.class); |
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| 53 | RunningJob rJob = UtilsForTests.runJob(jobConf, inDir, outDir, 1, 0); |
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| 54 | rJob.waitForCompletion(); |
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| 55 | assertEquals(JobStatus.FAILED, rJob.getJobState()); |
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| 56 | } |
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| 57 | |
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| 58 | public static void main(String[] argv) throws Exception { |
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| 59 | TestTaskCommit td = new TestTaskCommit(); |
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| 60 | td.testCommitFail(); |
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| 61 | } |
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| 62 | } |
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