HADOOP-14485. Redundant 'final' modifier in try-with-resources statement. Contributed by wenxin he.
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855e0477b1
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@ -82,7 +82,7 @@ public class ITUseMiniCluster {
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@Test
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public void useHdfsFileSystem() throws IOException {
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try (final FileSystem fs = cluster.getFileSystem()) {
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try (FileSystem fs = cluster.getFileSystem()) {
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simpleReadAfterWrite(fs);
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}
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}
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@ -94,10 +94,10 @@ public class ITUseMiniCluster {
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throw new IOException("Mkdirs failed to create " +
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TEST_PATH);
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}
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try (final FSDataOutputStream out = fs.create(path)) {
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try (FSDataOutputStream out = fs.create(path)) {
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out.writeUTF(TEXT);
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}
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try (final FSDataInputStream in = fs.open(path)) {
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try (FSDataInputStream in = fs.open(path)) {
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final String result = in.readUTF();
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Assert.assertEquals("Didn't read back text we wrote.", TEXT, result);
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}
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@ -105,7 +105,7 @@ public class ITUseMiniCluster {
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@Test
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public void useWebHDFS() throws IOException, URISyntaxException {
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try (final FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(
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try (FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(
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cluster.getConfiguration(0), WebHdfsConstants.WEBHDFS_SCHEME)) {
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simpleReadAfterWrite(fs);
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}
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@ -1425,7 +1425,7 @@ public class TestIPC {
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}
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private void checkVersionMismatch() throws IOException {
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try (final ServerSocket listenSocket = new ServerSocket()) {
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try (ServerSocket listenSocket = new ServerSocket()) {
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listenSocket.bind(null);
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InetSocketAddress addr =
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(InetSocketAddress) listenSocket.getLocalSocketAddress();
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@ -42,7 +42,7 @@ public class TestRollingAverages {
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public void testRollingAveragesEmptyRollover() throws Exception {
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final MetricsRecordBuilder rb = mockMetricsRecordBuilder();
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/* 5s interval and 2 windows */
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try (final RollingAverages rollingAverages =
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try (RollingAverages rollingAverages =
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new RollingAverages(5000, 2)) {
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/* Check it initially */
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rollingAverages.snapshot(rb, true);
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@ -254,7 +254,7 @@ public class TestMiniDFSCluster {
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@Test
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public void testClusterNoStorageTypeSetForDatanodes() throws IOException {
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final Configuration conf = new HdfsConfiguration();
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try (final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
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try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
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.numDataNodes(3).build()) {
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cluster.waitActive();
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ArrayList<DataNode> dataNodes = cluster.getDataNodes();
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@ -1847,7 +1847,7 @@ public class TestBalancer {
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for(int i = 0; i < lengths.length; i++) {
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final long size = lengths[i];
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final Path p = new Path("/file" + i + "_size" + size);
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try(final OutputStream out = dfs.create(p)) {
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try(OutputStream out = dfs.create(p)) {
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for(int j = 0; j < size; j++) {
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out.write(j);
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}
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@ -153,7 +153,7 @@ public class TestDataNodeFaultInjector {
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cluster.waitActive();
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final FileSystem fs = cluster.getFileSystem();
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try (final FSDataOutputStream out = fs
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try (FSDataOutputStream out = fs
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.create(new Path(baseDir, "test.data"), (short) 2)) {
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out.write(0x31);
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out.hflush();
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@ -303,7 +303,7 @@ public class TestYarnClient {
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int pollIntervalMs = 1000;
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conf.setLong(YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS,
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pollIntervalMs);
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try (final YarnClient client = new MockYarnClient()) {
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try (YarnClient client = new MockYarnClient()) {
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client.init(conf);
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client.start();
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// Submit the application and then interrupt it while its waiting
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