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HADOOP-14485. Redundant 'final' modifier in try-with-resources statement. Contributed by wenxin he.

This commit is contained in:
Brahma Reddy Battula 2017-06-06 23:11:47 +08:00
parent 855e0477b1
commit 19ef3a81f8
7 changed files with 10 additions and 10 deletions
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8
hadoop-client-modules/hadoop-client-integration-tests/src/test/java/org/apache/hadoop/example/ITUseMiniCluster.java
View File

@ -82,7 +82,7 @@ public void clusterDown() {
@Test
public void useHdfsFileSystem() throws IOException {
try (final FileSystem fs = cluster.getFileSystem()) {
try (FileSystem fs = cluster.getFileSystem()) {
simpleReadAfterWrite(fs);
}
}
@ -94,10 +94,10 @@ public void simpleReadAfterWrite(final FileSystem fs) throws IOException {
throw new IOException("Mkdirs failed to create " +
TEST_PATH);
}
try (final FSDataOutputStream out = fs.create(path)) {
try (FSDataOutputStream out = fs.create(path)) {
out.writeUTF(TEXT);
}
try (final FSDataInputStream in = fs.open(path)) {
try (FSDataInputStream in = fs.open(path)) {
final String result = in.readUTF();
Assert.assertEquals("Didn't read back text we wrote.", TEXT, result);
}
@ -105,7 +105,7 @@ public void simpleReadAfterWrite(final FileSystem fs) throws IOException {
@Test
public void useWebHDFS() throws IOException, URISyntaxException {
try (final FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(
try (FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(
cluster.getConfiguration(0), WebHdfsConstants.WEBHDFS_SCHEME)) {
simpleReadAfterWrite(fs);
}

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestIPC.java
View File

@ -1425,7 +1425,7 @@ public void testSecureVersionMismatch() throws IOException {
}
private void checkVersionMismatch() throws IOException {
try (final ServerSocket listenSocket = new ServerSocket()) {
try (ServerSocket listenSocket = new ServerSocket()) {
listenSocket.bind(null);
InetSocketAddress addr =
(InetSocketAddress) listenSocket.getLocalSocketAddress();

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/lib/TestRollingAverages.java
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@ -42,7 +42,7 @@ public class TestRollingAverages {
public void testRollingAveragesEmptyRollover() throws Exception {
final MetricsRecordBuilder rb = mockMetricsRecordBuilder();
/* 5s interval and 2 windows */
try (final RollingAverages rollingAverages =
try (RollingAverages rollingAverages =
new RollingAverages(5000, 2)) {
/* Check it initially */
rollingAverages.snapshot(rb, true);

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMiniDFSCluster.java
View File

@ -254,7 +254,7 @@ public void testClusterSetDatanodeDifferentStorageType() throws IOException {
@Test
public void testClusterNoStorageTypeSetForDatanodes() throws IOException {
final Configuration conf = new HdfsConfiguration();
try (final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(3).build()) {
cluster.waitActive();
ArrayList<DataNode> dataNodes = cluster.getDataNodes();

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
View File

@ -1847,7 +1847,7 @@ public void testMinBlockSizeAndSourceNodes() throws Exception {
for(int i = 0; i < lengths.length; i++) {
final long size = lengths[i];
final Path p = new Path("/file" + i + "_size" + size);
try(final OutputStream out = dfs.create(p)) {
try(OutputStream out = dfs.create(p)) {
for(int j = 0; j < size; j++) {
out.write(j);
}

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeFaultInjector.java
View File

@ -153,7 +153,7 @@ private void verifyFaultInjectionDelayPipeline(
cluster.waitActive();
final FileSystem fs = cluster.getFileSystem();
try (final FSDataOutputStream out = fs
try (FSDataOutputStream out = fs
.create(new Path(baseDir, "test.data"), (short) 2)) {
out.write(0x31);
out.hflush();

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java
View File

@ -303,7 +303,7 @@ public void testSubmitApplicationInterrupted() throws IOException {
int pollIntervalMs = 1000;
conf.setLong(YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS,
pollIntervalMs);
try (final YarnClient client = new MockYarnClient()) {
try (YarnClient client = new MockYarnClient()) {
client.init(conf);
client.start();
// Submit the application and then interrupt it while its waiting