/*
* 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.solr.cloud.hdfs;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.util.BadHdfsThreadsFilter;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import com.carrotsearch.randomizedtesting.annotations.ThreadLeakFilters;
@ThreadLeakFilters(defaultFilters = true, filters = {
BadHdfsThreadsFilter.class // hdfs currently leaks thread(s)
})
public class HdfsThreadLeakTest extends SolrTestCaseJ4 {
private static MiniDFSCluster dfsCluster;
@BeforeClass
public static void beforeClass() throws Exception {
dfsCluster = HdfsTestUtil.setupClass(createTempDir().toFile().getAbsolutePath(), false, false);
}
@AfterClass
public static void afterClass() throws Exception {
HdfsTestUtil.teardownClass(dfsCluster);
dfsCluster = null;
}
@Before
public void setUp() throws Exception {
super.setUp();
}
@After
public void tearDown() throws Exception {
super.tearDown();
}
@Test
public void testBasic() throws IOException {
String uri = HdfsTestUtil.getURI(dfsCluster);
Path path = new Path(uri);
Configuration conf = new Configuration();
conf.setBoolean("fs.hdfs.impl.disable.cache", true);
FileSystem fs = FileSystem.get(path.toUri(), conf);
Path testFile = new Path(uri.toString() + "/testfile");
FSDataOutputStream out = fs.create(testFile);
out.write(5);
out.hflush();
out.close();
((DistributedFileSystem) fs).recoverLease(testFile);
fs.close();
}
}