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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