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HADOOP-7552. FileUtil#fullyDelete doesn't throw IOE but lists it in the throws clause. Contributed by Eli Collins

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1164339 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2011-09-02 03:20:12 +00:00
parent 5d4f16b93c
commit 07c5741c9a
19 changed files with 142 additions and 118 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -356,6 +356,9 @@ Release 0.23.0 - Unreleased
HADOOP-7594. Support HTTP REST in HttpServer. (szetszwo)
HADOOP-7552. FileUtil#fullyDelete doesn't throw IOE but lists it
in the throws clause. (eli)
OPTIMIZATIONS
HADOOP-7333. Performance improvement in PureJavaCrc32. (Eric Caspole

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java
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@ -28,7 +28,6 @@
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.Shell.ShellCommandExecutor;
@ -88,7 +87,7 @@ public static Path[] stat2Paths(FileStatus[] stats, Path path) {
* (4) If dir is a normal directory, then dir and all its contents recursively
* are deleted.
*/
public static boolean fullyDelete(File dir) throws IOException {
public static boolean fullyDelete(File dir) {
if (dir.delete()) {
// dir is (a) normal file, (b) symlink to a file, (c) empty directory or
// (d) symlink to a directory
@ -108,7 +107,7 @@ public static boolean fullyDelete(File dir) throws IOException {
* If dir is a symlink to a directory, all the contents of the actual
* directory pointed to by dir will be deleted.
*/
public static boolean fullyDeleteContents(File dir) throws IOException {
public static boolean fullyDeleteContents(File dir) {
boolean deletionSucceeded = true;
File contents[] = dir.listFiles();
if (contents != null) {

19
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/RawLocalFileSystem.java
View File

@ -228,10 +228,10 @@ public void write(int b) throws IOException {
public FSDataOutputStream append(Path f, int bufferSize,
Progressable progress) throws IOException {
if (!exists(f)) {
throw new FileNotFoundException("File " + f + " not found.");
throw new FileNotFoundException("File " + f + " not found");
}
if (getFileStatus(f).isDirectory()) {
throw new IOException("Cannot append to a diretory (=" + f + " ).");
throw new IOException("Cannot append to a diretory (=" + f + " )");
}
return new FSDataOutputStream(new BufferedOutputStream(
new LocalFSFileOutputStream(f, true), bufferSize), statistics);
@ -242,7 +242,7 @@ public FSDataOutputStream create(Path f, boolean overwrite, int bufferSize,
short replication, long blockSize, Progressable progress)
throws IOException {
if (exists(f) && !overwrite) {
throw new IOException("File already exists:"+f);
throw new IOException("File already exists: "+f);
}
Path parent = f.getParent();
if (parent != null && !mkdirs(parent)) {
@ -271,11 +271,18 @@ public boolean rename(Path src, Path dst) throws IOException {
return FileUtil.copy(this, src, this, dst, true, getConf());
}
/**
* Delete the given path to a file or directory.
* @param p the path to delete
* @param recursive to delete sub-directories
* @return true if the file or directory and all its contents were deleted
* @throws IOException if p is non-empty and recursive is false
*/
public boolean delete(Path p, boolean recursive) throws IOException {
File f = pathToFile(p);
if (f.isFile()) {
return f.delete();
} else if ((!recursive) && f.isDirectory() &&
} else if (!recursive && f.isDirectory() &&
(FileUtil.listFiles(f).length != 0)) {
throw new IOException("Directory " + f.toString() + " is not empty");
}
@ -287,7 +294,7 @@ public FileStatus[] listStatus(Path f) throws IOException {
FileStatus[] results;
if (!localf.exists()) {
throw new FileNotFoundException("File " + f + " does not exist.");
throw new FileNotFoundException("File " + f + " does not exist");
}
if (localf.isFile()) {
return new FileStatus[] {
@ -421,7 +428,7 @@ public FileStatus getFileStatus(Path f) throws IOException {
if (path.exists()) {
return new RawLocalFileStatus(pathToFile(f), getDefaultBlockSize(), this);
} else {
throw new FileNotFoundException("File " + f + " does not exist.");
throw new FileNotFoundException("File " + f + " does not exist");
}
}

3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java
View File

@ -158,10 +158,7 @@ public static void main(String[] args) throws Throwable {
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
try {
FileUtil.fullyDelete(workDir);
} catch (IOException e) {
}
}
});

43
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FileSystemTestHelper.java
View File

@ -17,16 +17,15 @@
*/
package org.apache.hadoop.fs;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.net.URI;
import java.util.Random;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.IOUtils;
import org.junit.Assert;
import static org.junit.Assert.*;
/**
* Helper class for unit tests.
@ -143,23 +142,33 @@ public static boolean isDir(FileSystem fSys, Path p) throws IOException {
}
}
public static void writeFile(FileSystem fSys, Path path,byte b[])
throws Exception {
FSDataOutputStream out =
fSys.create(path);
out.write(b);
out.close();
static String writeFile(FileSystem fileSys, Path name, int fileSize)
throws IOException {
final long seed = 0xDEADBEEFL;
// Create and write a file that contains three blocks of data
FSDataOutputStream stm = fileSys.create(name);
byte[] buffer = new byte[fileSize];
Random rand = new Random(seed);
rand.nextBytes(buffer);
stm.write(buffer);
stm.close();
return new String(buffer);
}
public static byte[] readFile(FileSystem fSys, Path path, int len )
throws Exception {
DataInputStream dis = fSys.open(path);
byte[] buffer = new byte[len];
IOUtils.readFully(dis, buffer, 0, len);
dis.close();
return buffer;
static String readFile(FileSystem fs, Path name, int buflen)
throws IOException {
byte[] b = new byte[buflen];
int offset = 0;
FSDataInputStream in = fs.open(name);
for (int remaining, n;
(remaining = b.length - offset) > 0 && (n = in.read(b, offset, remaining)) != -1;
offset += n);
assertEquals(offset, Math.min(b.length, in.getPos()));
in.close();
String s = new String(b, 0, offset);
return s;
}
public static FileStatus containsPath(FileSystem fSys, Path path,
FileStatus[] dirList)
throws IOException {

39
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestChecksumFileSystem.java
View File

@ -18,10 +18,9 @@
package org.apache.hadoop.fs;
import java.net.URI;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FSDataOutputStream;
import static org.apache.hadoop.fs.FileSystemTestHelper.*;
import org.apache.hadoop.conf.Configuration;
import junit.framework.TestCase;
@ -56,13 +55,13 @@ public void testVerifyChecksum() throws Exception {
// Exercise some boundary cases - a divisor of the chunk size
// the chunk size, 2x chunk size, and +/-1 around these.
TestLocalFileSystem.readFile(localFs, testPath, 128);
TestLocalFileSystem.readFile(localFs, testPath, 511);
TestLocalFileSystem.readFile(localFs, testPath, 512);
TestLocalFileSystem.readFile(localFs, testPath, 513);
TestLocalFileSystem.readFile(localFs, testPath, 1023);
TestLocalFileSystem.readFile(localFs, testPath, 1024);
TestLocalFileSystem.readFile(localFs, testPath, 1025);
readFile(localFs, testPath, 128);
readFile(localFs, testPath, 511);
readFile(localFs, testPath, 512);
readFile(localFs, testPath, 513);
readFile(localFs, testPath, 1023);
readFile(localFs, testPath, 1024);
readFile(localFs, testPath, 1025);
localFs.delete(localFs.getChecksumFile(testPath), true);
assertTrue("checksum deleted", !localFs.exists(localFs.getChecksumFile(testPath)));
@ -74,7 +73,7 @@ public void testVerifyChecksum() throws Exception {
boolean errorRead = false;
try {
TestLocalFileSystem.readFile(localFs, testPath, 1024);
readFile(localFs, testPath, 1024);
}catch(ChecksumException ie) {
errorRead = true;
}
@ -83,7 +82,7 @@ public void testVerifyChecksum() throws Exception {
//now setting verify false, the read should succeed
try {
localFs.setVerifyChecksum(false);
String str = TestLocalFileSystem.readFile(localFs, testPath, 1024);
String str = readFile(localFs, testPath, 1024).toString();
assertTrue("read", "testing".equals(str));
} finally {
// reset for other tests
@ -104,13 +103,13 @@ public void testMultiChunkFile() throws Exception {
// Exercise some boundary cases - a divisor of the chunk size
// the chunk size, 2x chunk size, and +/-1 around these.
TestLocalFileSystem.readFile(localFs, testPath, 128);
TestLocalFileSystem.readFile(localFs, testPath, 511);
TestLocalFileSystem.readFile(localFs, testPath, 512);
TestLocalFileSystem.readFile(localFs, testPath, 513);
TestLocalFileSystem.readFile(localFs, testPath, 1023);
TestLocalFileSystem.readFile(localFs, testPath, 1024);
TestLocalFileSystem.readFile(localFs, testPath, 1025);
readFile(localFs, testPath, 128);
readFile(localFs, testPath, 511);
readFile(localFs, testPath, 512);
readFile(localFs, testPath, 513);
readFile(localFs, testPath, 1023);
readFile(localFs, testPath, 1024);
readFile(localFs, testPath, 1025);
}
/**
@ -140,7 +139,7 @@ public void testTruncatedChecksum() throws Exception {
// Now reading the file should fail with a ChecksumException
try {
TestLocalFileSystem.readFile(localFs, testPath, 1024);
readFile(localFs, testPath, 1024);
fail("Did not throw a ChecksumException when reading truncated " +
"crc file");
} catch(ChecksumException ie) {
@ -149,7 +148,7 @@ public void testTruncatedChecksum() throws Exception {
// telling it not to verify checksums, should avoid issue.
try {
localFs.setVerifyChecksum(false);
String str = TestLocalFileSystem.readFile(localFs, testPath, 1024);
String str = readFile(localFs, testPath, 1024).toString();
assertTrue("read", "testing truncation".equals(str));
} finally {
// reset for other tests

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestDU.java
View File

@ -29,7 +29,7 @@ public class TestDU extends TestCase {
final static private File DU_DIR = new File(
System.getProperty("test.build.data","/tmp"), "dutmp");
public void setUp() throws IOException {
public void setUp() {
FileUtil.fullyDelete(DU_DIR);
assertTrue(DU_DIR.mkdirs());
}

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestHardLink.java
View File

@ -98,7 +98,7 @@ public class TestHardLink {
* @throws IOException
*/
@BeforeClass
public static void setupClean() throws IOException {
public static void setupClean() {
//delete source and target directories if they exist
FileUtil.fullyDelete(src);
FileUtil.fullyDelete(tgt_one);

88
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestLocalFileSystem.java
View File

@ -18,37 +18,23 @@
package org.apache.hadoop.fs;
import org.apache.hadoop.conf.Configuration;
import static org.apache.hadoop.fs.FileSystemTestHelper.*;
import java.io.*;
import junit.framework.*;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
/**
* This class tests the local file system via the FileSystem abstraction.
*/
public class TestLocalFileSystem extends TestCase {
public class TestLocalFileSystem {
private static String TEST_ROOT_DIR
= System.getProperty("test.build.data","build/test/data/work-dir/localfs");
static void writeFile(FileSystem fs, Path name) throws IOException {
FSDataOutputStream stm = fs.create(name);
stm.writeBytes("42\n");
stm.close();
}
static String readFile(FileSystem fs, Path name, int buflen) throws IOException {
byte[] b = new byte[buflen];
int offset = 0;
FSDataInputStream in = fs.open(name);
for(int remaining, n;
(remaining = b.length - offset) > 0 && (n = in.read(b, offset, remaining)) != -1;
offset += n);
assertEquals(offset, Math.min(b.length, in.getPos()));
in.close();
String s = new String(b, 0, offset);
System.out.println("s=" + s);
return s;
}
private Configuration conf;
private FileSystem fileSys;
private void cleanupFile(FileSystem fs, Path name) throws IOException {
assertTrue(fs.exists(name));
@ -56,12 +42,18 @@ private void cleanupFile(FileSystem fs, Path name) throws IOException {
assertTrue(!fs.exists(name));
}
@Before
public void setup() throws IOException {
conf = new Configuration();
fileSys = FileSystem.getLocal(conf);
fileSys.delete(new Path(TEST_ROOT_DIR), true);
}
/**
* Test the capability of setting the working directory.
*/
@Test
public void testWorkingDirectory() throws IOException {
Configuration conf = new Configuration();
FileSystem fileSys = FileSystem.getLocal(conf);
Path origDir = fileSys.getWorkingDirectory();
Path subdir = new Path(TEST_ROOT_DIR, "new");
try {
@ -85,7 +77,7 @@ public void testWorkingDirectory() throws IOException {
// create files and manipulate them.
Path file1 = new Path("file1");
Path file2 = new Path("sub/file2");
writeFile(fileSys, file1);
String contents = writeFile(fileSys, file1, 1);
fileSys.copyFromLocalFile(file1, file2);
assertTrue(fileSys.exists(file1));
assertTrue(fileSys.isFile(file1));
@ -103,11 +95,10 @@ public void testWorkingDirectory() throws IOException {
InputStream stm = fileSys.open(file1);
byte[] buffer = new byte[3];
int bytesRead = stm.read(buffer, 0, 3);
assertEquals("42\n", new String(buffer, 0, bytesRead));
assertEquals(contents, new String(buffer, 0, bytesRead));
stm.close();
} finally {
fileSys.setWorkingDirectory(origDir);
fileSys.delete(subdir, true);
}
}
@ -115,6 +106,7 @@ public void testWorkingDirectory() throws IOException {
* test Syncable interface on raw local file system
* @throws IOException
*/
@Test
public void testSyncable() throws IOException {
Configuration conf = new Configuration();
FileSystem fs = FileSystem.getLocal(conf).getRawFileSystem();
@ -148,12 +140,13 @@ private void verifyFile(FileSystem fs, Path file, int bytesToVerify,
}
}
@Test
public void testCopy() throws IOException {
Configuration conf = new Configuration();
LocalFileSystem fs = FileSystem.getLocal(conf);
Path src = new Path(TEST_ROOT_DIR, "dingo");
Path dst = new Path(TEST_ROOT_DIR, "yak");
writeFile(fs, src);
writeFile(fs, src, 1);
assertTrue(FileUtil.copy(fs, src, fs, dst, true, false, conf));
assertTrue(!fs.exists(src) && fs.exists(dst));
assertTrue(FileUtil.copy(fs, dst, fs, src, false, false, conf));
@ -170,9 +163,12 @@ public void testCopy() throws IOException {
try {
FileUtil.copy(fs, dst, fs, src, true, true, conf);
fail("Failed to detect existing dir");
} catch (IOException e) { }
} catch (IOException e) {
// Expected
}
}
@Test
public void testHomeDirectory() throws IOException {
Configuration conf = new Configuration();
FileSystem fileSys = FileSystem.getLocal(conf);
@ -182,16 +178,18 @@ public void testHomeDirectory() throws IOException {
assertEquals(home, fsHome);
}
@Test
public void testPathEscapes() throws IOException {
Configuration conf = new Configuration();
FileSystem fs = FileSystem.getLocal(conf);
Path path = new Path(TEST_ROOT_DIR, "foo%bar");
writeFile(fs, path);
writeFile(fs, path, 1);
FileStatus status = fs.getFileStatus(path);
assertEquals(path.makeQualified(fs), status.getPath());
cleanupFile(fs, path);
}
@Test
public void testMkdirs() throws IOException {
Configuration conf = new Configuration();
LocalFileSystem fs = FileSystem.getLocal(conf);
@ -199,18 +197,40 @@ public void testMkdirs() throws IOException {
Path test_file = new Path(TEST_ROOT_DIR, "file1");
assertTrue(fs.mkdirs(test_dir));
writeFile(fs, test_file);
writeFile(fs, test_file, 1);
// creating dir over a file
Path bad_dir = new Path(test_file, "another_dir");
try {
fs.mkdirs(bad_dir);
fail("Failed to detect existing file in path");
} catch (FileAlreadyExistsException e) { }
} catch (FileAlreadyExistsException e) {
// Expected
}
try {
fs.mkdirs(null);
fail("Failed to detect null in mkdir arg");
} catch (IllegalArgumentException e) { }
} catch (IllegalArgumentException e) {
// Expected
}
}
/** Test deleting a file, directory, and non-existent path */
@Test
public void testBasicDelete() throws IOException {
Configuration conf = new Configuration();
LocalFileSystem fs = FileSystem.getLocal(conf);
Path dir1 = new Path(TEST_ROOT_DIR, "dir1");
Path file1 = new Path(TEST_ROOT_DIR, "file1");
Path file2 = new Path(TEST_ROOT_DIR+"/dir1", "file2");
Path file3 = new Path(TEST_ROOT_DIR, "does-not-exist");
assertTrue(fs.mkdirs(dir1));
writeFile(fs, file1, 1);
writeFile(fs, file2, 1);
assertFalse("Returned true deleting non-existant path",
fs.delete(file3));
assertTrue("Did not delete file", fs.delete(file1));
assertTrue("Did not delete non-empty dir", fs.delete(dir1));
}
}

33
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
View File

@ -19,9 +19,9 @@
import static org.apache.hadoop.fs.CommonConfigurationKeys.*;
import static org.apache.hadoop.fs.FileSystemTestHelper.*;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
@ -42,14 +42,6 @@ public class TestTrash extends TestCase {
new Path(new File(System.getProperty("test.build.data","/tmp")
).toURI().toString().replace(' ', '+'), "testTrash");
protected static Path writeFile(FileSystem fs, Path f) throws IOException {
DataOutputStream out = fs.create(f);
out.writeBytes("dhruba: " + f);
out.close();
assertTrue(fs.exists(f));
return f;
}
protected static Path mkdir(FileSystem fs, Path p) throws IOException {
assertTrue(fs.mkdirs(p));
assertTrue(fs.exists(p));
@ -139,7 +131,7 @@ public static void trashShell(final Configuration conf, final Path base,
// Second, create a file in that directory.
Path myFile = new Path(base, "test/mkdirs/myFile");
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Verify that expunge without Trash directory
// won't throw Exception
@ -176,7 +168,7 @@ public static void trashShell(final Configuration conf, final Path base,
}
// Verify that we can recreate the file
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Verify that we succeed in removing the file we re-created
{
@ -194,7 +186,7 @@ public static void trashShell(final Configuration conf, final Path base,
}
// Verify that we can recreate the file
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Verify that we succeed in removing the whole directory
// along with the file inside it.
@ -234,7 +226,7 @@ public static void trashShell(final Configuration conf, final Path base,
{
Path toErase = new Path(trashRoot, "toErase");
int retVal = -1;
writeFile(trashRootFs, toErase);
writeFile(trashRootFs, toErase, 10);
try {
retVal = shell.run(new String[] {"-rm", toErase.toString()});
} catch (Exception e) {
@ -265,7 +257,7 @@ public static void trashShell(final Configuration conf, final Path base,
// recreate directory and file
mkdir(fs, myPath);
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// remove file first, then remove directory
{
@ -316,7 +308,7 @@ public static void trashShell(final Configuration conf, final Path base,
// recreate directory and file
mkdir(fs, myPath);
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Verify that skip trash option really skips the trash for files (rm)
{
@ -346,7 +338,7 @@ public static void trashShell(final Configuration conf, final Path base,
// recreate directory and file
mkdir(fs, myPath);
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Verify that skip trash option really skips the trash for rmr
{
@ -392,7 +384,7 @@ public static void trashShell(final Configuration conf, final Path base,
for(int i=0;i<num_runs; i++) {
//create file
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// delete file
try {
@ -452,8 +444,7 @@ public static void trashNonDefaultFS(Configuration conf) throws IOException {
lfs.delete(p, true);
}
try {
f = writeFile(lfs, f);
writeFile(lfs, f, 10);
FileSystem.closeAll();
FileSystem localFs = FileSystem.get(URI.create("file:///"), conf);
Trash lTrash = new Trash(localFs, conf);
@ -515,7 +506,7 @@ public void testTrashEmptier() throws Exception {
while (true) {
// Create a file with a new name
Path myFile = new Path(TEST_DIR, "test/mkdirs/myFile" + fileIndex++);
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
// Delete the file to trash
String[] args = new String[2];
@ -606,7 +597,7 @@ public static void performanceTestDeleteSameFile() throws IOException{
int iters = 1000;
for(int i=0;i<iters; i++) {
writeFile(fs, myFile);
writeFile(fs, myFile, 10);
start = System.currentTimeMillis();

2
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/nativeio/TestNativeIO.java
View File

@ -50,7 +50,7 @@ public void checkLoaded() {
}
@Before
public void setupTestDir() throws IOException {
public void setupTestDir() {
FileUtil.fullyDelete(TEST_DIR);
TEST_DIR.mkdirs();
}

3
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java
View File

@ -49,8 +49,7 @@ protected void setUp()
}
@After
protected void tearDown()
throws Exception {
protected void tearDown() {
FileUtil.fullyDelete(TEST_ROOT_DIR);
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestListFilesInFileContext.java
View File

@ -84,6 +84,7 @@ private static void writeFile(FileContext fc, Path name, int fileSize)
public static void testShutdown() throws Exception {
cluster.shutdown();
}
/** Test when input path is a file */
@Test
public void testFile() throws IOException {

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestJvmManager.java
View File

@ -59,7 +59,7 @@ public void setUp() {
}
@After
public void tearDown() throws IOException {
public void tearDown() {
FileUtil.fullyDelete(TEST_DIR);
}

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestLinuxTaskController.java
View File

@ -45,7 +45,7 @@ protected void setUp() throws Exception {
}
@After
protected void tearDown() throws Exception {
protected void tearDown() {
FileUtil.fullyDelete(testDir);
}

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestTaskOutputSize.java
View File

@ -33,7 +33,7 @@ public class TestTaskOutputSize {
"/tmp"), "test");
@After
public void tearDown() throws Exception {
public void tearDown() {
FileUtil.fullyDelete(new File(rootDir.toString()));
}

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestUserLogCleanup.java
View File

@ -61,7 +61,7 @@ public TestUserLogCleanup() throws IOException {
}
@After
public void tearDown() throws IOException {
public void tearDown() {
FileUtil.fullyDelete(TaskLog.getUserLogDir());
}

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapreduce/util/TestMRAsyncDiskService.java
View File

@ -43,7 +43,7 @@ public class TestMRAsyncDiskService extends TestCase {
"test.build.data", "/tmp")).toString();
@Override
protected void setUp() throws Exception {
protected void setUp() {
FileUtil.fullyDelete(new File(TEST_ROOT_DIR));
}

3
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapreduce/util/TestProcfsBasedProcessTree.java
View File

@ -592,8 +592,7 @@ public void testProcessTreeDump()
* @param procfsRootDir root directory to create.
* @throws IOException if could not delete the procfs root directory
*/
public static void setupProcfsRootDir(File procfsRootDir)
throws IOException {
public static void setupProcfsRootDir(File procfsRootDir) {
// cleanup any existing process root dir.
if (procfsRootDir.exists()) {
assertTrue(FileUtil.fullyDelete(procfsRootDir));