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+/**
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+* Licensed to the Apache Software Foundation (ASF) under one
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+* or more contributor license agreements. See the NOTICE file
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+* distributed with this work for additional information
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+* regarding copyright ownership. The ASF licenses this file
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+* to you under the Apache License, Version 2.0 (the
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+* "License"); you may not use this file except in compliance
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+* with the License. You may obtain a copy of the License at
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+*
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+* http://www.apache.org/licenses/LICENSE-2.0
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+*
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+* Unless required by applicable law or agreed to in writing, software
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+* distributed under the License is distributed on an "AS IS" BASIS,
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+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+* See the License for the specific language governing permissions and
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+* limitations under the License.
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+*/
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+package org.apache.hadoop.mapred;
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+
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+import java.io.IOException;
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+
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+import org.apache.hadoop.conf.Configuration;
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+import org.apache.hadoop.fs.ClusterStorageCapacityExceededException;
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+import org.junit.Before;
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+import org.junit.Test;
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+
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+import static org.mockito.Mockito.*;
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+
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+/**
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+ * Tests the behavior of YarnChild.
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+ */
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+public class TestYarnChild {
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+ private Task task;
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+ private TaskUmbilicalProtocol umbilical;
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+ private Configuration conf;
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+ final static private String KILL_LIMIT_EXCEED_CONF_NAME =
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+ "mapreduce.job.dfs.storage.capacity.kill-limit-exceed";
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+
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+ @Before
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+ public void setUp() throws Exception {
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+ task = mock(Task.class);
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+ umbilical = mock(TaskUmbilicalProtocol.class);
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+ conf = new Configuration();
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+ when(task.getConf()).thenReturn(conf);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionNotHappenByDefault()
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+ throws IOException {
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+ Exception exception = new RuntimeException(new IOException());
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+
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+ verifyReportError(exception, false);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionNotHappenAndFastFailDisabled()
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+ throws IOException {
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+ Exception exception = new RuntimeException(new IOException());
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+ conf.setBoolean(KILL_LIMIT_EXCEED_CONF_NAME, false);
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+
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+ verifyReportError(exception, false);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionNotHappenAndFastFailEnabled()
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+ throws IOException {
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+ Exception exception = new RuntimeException(new IOException());
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+ conf.setBoolean(KILL_LIMIT_EXCEED_CONF_NAME, true);
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+
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+ verifyReportError(exception, false);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionHappenByDefault()
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+ throws IOException {
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+ Exception exception =
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+ new RuntimeException(new ClusterStorageCapacityExceededException());
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+
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+ verifyReportError(exception, false);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionHappenAndFastFailDisabled()
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+ throws IOException {
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+ Exception exception =
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+ new RuntimeException(new ClusterStorageCapacityExceededException());
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+ conf.setBoolean(KILL_LIMIT_EXCEED_CONF_NAME, false);
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+
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+ verifyReportError(exception, false);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionHappenAndFastFailEnabled()
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+ throws IOException {
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+ Exception exception =
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+ new RuntimeException(new ClusterStorageCapacityExceededException());
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+ conf.setBoolean(KILL_LIMIT_EXCEED_CONF_NAME, true);
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+
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+ verifyReportError(exception, true);
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+ }
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+
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+ @Test
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+ public void testReportErrorWhenCapacityExceptionHappenInThirdOfExceptionChain()
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+ throws IOException {
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+ Exception exception = new RuntimeException(new IllegalStateException(
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+ new ClusterStorageCapacityExceededException()));
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+ conf.setBoolean(KILL_LIMIT_EXCEED_CONF_NAME, true);
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+
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+ verifyReportError(exception, true);
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+ }
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+
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+ private void verifyReportError(Exception exception, boolean fastFail)
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+ throws IOException {
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+ YarnChild.reportError(exception, task, umbilical);
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+ verify(umbilical).fatalError(any(TaskAttemptID.class), anyString(),
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+ eq(fastFail));
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+ }
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+}
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