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HADOOP-10392. Use FileSystem#makeQualified(Path) instead of Path#makeQualified(FileSystem) (ajisakaa via aw)

This commit is contained in:
Allen Wittenauer 2017-08-11 09:25:56 -07:00
parent d964062f66
commit 4222c97108
No known key found for this signature in database
GPG Key ID: E01B34FBE846DF38
30 changed files with 78 additions and 75 deletions
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4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java
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@ -295,8 +295,8 @@ private static void checkDependencies(FileSystem srcFS,
Path dst)
throws IOException {
if (srcFS == dstFS) {
String srcq = src.makeQualified(srcFS).toString() + Path.SEPARATOR;
String dstq = dst.makeQualified(dstFS).toString() + Path.SEPARATOR;
String srcq = srcFS.makeQualified(src).toString() + Path.SEPARATOR;
String dstq = dstFS.makeQualified(dst).toString() + Path.SEPARATOR;
if (dstq.startsWith(srcq)) {
if (srcq.length() == dstq.length()) {
throw new IOException("Cannot copy " + src + " to itself.");

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ftp/FTPFileSystem.java
View File

@ -505,7 +505,7 @@ private FileStatus getFileStatus(FTPClient client, Path file)
long modTime = -1; // Modification time of root dir not known.
Path root = new Path("/");
return new FileStatus(length, isDir, blockReplication, blockSize,
modTime, root.makeQualified(this));
modTime, this.makeQualified(root));
}
String pathName = parentPath.toUri().getPath();
FTPFile[] ftpFiles = client.listFiles(pathName);
@ -546,7 +546,7 @@ private FileStatus getFileStatus(FTPFile ftpFile, Path parentPath) {
String group = ftpFile.getGroup();
Path filePath = new Path(parentPath, ftpFile.getName());
return new FileStatus(length, isDir, blockReplication, blockSize, modTime,
accessTime, permission, user, group, filePath.makeQualified(this));
accessTime, permission, user, group, this.makeQualified(filePath));
}
@Override

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/SequenceFile.java
View File

@ -1883,7 +1883,7 @@ public Reader(Configuration conf, Option... opts) throws IOException {
@Deprecated
public Reader(FileSystem fs, Path file,
Configuration conf) throws IOException {
this(conf, file(file.makeQualified(fs)));
this(conf, file(fs.makeQualified(file)));
}
/**

6
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestLocalFileSystem.java
View File

@ -218,8 +218,8 @@ public void testCopy() throws IOException {
@Test
public void testHomeDirectory() throws IOException {
Path home = new Path(System.getProperty("user.home"))
.makeQualified(fileSys);
Path home = fileSys.makeQualified(
new Path(System.getProperty("user.home")));
Path fsHome = fileSys.getHomeDirectory();
assertEquals(home, fsHome);
}
@ -229,7 +229,7 @@ public void testPathEscapes() throws IOException {
Path path = new Path(TEST_ROOT_DIR, "foo%bar");
writeFile(fileSys, path, 1);
FileStatus status = fileSys.getFileStatus(path);
assertEquals(path.makeQualified(fileSys), status.getPath());
assertEquals(fileSys.makeQualified(path), status.getPath());
cleanupFile(fileSys, path);
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/io/FileBench.java
View File

@ -170,7 +170,7 @@ public int run(String[] argv) throws IOException {
for(int i = 0; i < argv.length; ++i) {
try {
if ("-dir".equals(argv[i])) {
root = new Path(argv[++i]).makeQualified(fs);
root = fs.makeQualified(new Path(argv[++i]));
System.out.println("DIR: " + root.toString());
} else if ("-seed".equals(argv[i])) {
job.setLong("filebench.seed", Long.valueOf(argv[++i]));

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
View File

@ -50,8 +50,8 @@ public static MiniMRClientCluster create(Class<?> caller, String identifier,
FileSystem fs = FileSystem.get(conf);
Path testRootDir = new Path("target", identifier + "-tmpDir")
.makeQualified(fs);
Path testRootDir = fs.makeQualified(
new Path("target", identifier + "-tmpDir"));
Path appJar = new Path(testRootDir, "MRAppJar.jar");
// Copy MRAppJar and make it private.

6
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestCombineFileInputFormat.java
View File

@ -47,9 +47,9 @@ public class TestCombineFileInputFormat {
throw new RuntimeException("init failure", e);
}
}
private static Path workDir =
new Path(new Path(System.getProperty("test.build.data", "/tmp")),
"TestCombineFileInputFormat").makeQualified(localFs);
private static Path workDir = localFs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"),
"TestCombineFileInputFormat"));
private static void writeFile(FileSystem fs, Path name,
String contents) throws IOException {

7
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestCombineSequenceFileInputFormat.java
View File

@ -53,10 +53,9 @@ public class TestCombineSequenceFileInputFormat {
}
}
@SuppressWarnings("deprecation")
private static Path workDir =
new Path(new Path(System.getProperty("test.build.data", "/tmp")),
"TestCombineSequenceFileInputFormat").makeQualified(localFs);
private static Path workDir = localFs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"),
"TestCombineSequenceFileInputFormat"));
@Test(timeout=10000)
public void testFormat() throws Exception {

7
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestCombineTextInputFormat.java
View File

@ -60,10 +60,9 @@ public class TestCombineTextInputFormat {
}
}
@SuppressWarnings("deprecation")
private static Path workDir =
new Path(new Path(System.getProperty("test.build.data", "/tmp")),
"TestCombineTextInputFormat").makeQualified(localFs);
private static Path workDir = localFs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"),
"TestCombineTextInputFormat"));
// A reporter that does nothing
private static final Reporter voidReporter = Reporter.NULL;

6
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestConcatenatedCompressedInput.java
View File

@ -84,9 +84,9 @@ public class TestConcatenatedCompressedInput {
public void after() {
ZlibFactory.loadNativeZLib();
}
private static Path workDir =
new Path(new Path(System.getProperty("test.build.data", "/tmp")),
"TestConcatenatedCompressedInput").makeQualified(localFs);
private static Path workDir = localFs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"),
"TestConcatenatedCompressedInput"));
private static LineReader makeStream(String str) throws IOException {
return new LineReader(new ByteArrayInputStream(str.getBytes("UTF-8")),

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestMapRed.java
View File

@ -342,8 +342,8 @@ public void testNullKeys() throws Exception {
values.add(m);
m = m.replace((char)('A' + i - 1), (char)('A' + i));
}
Path testdir = new Path(
System.getProperty("test.build.data","/tmp")).makeQualified(fs);
Path testdir = fs.makeQualified(new Path(
System.getProperty("test.build.data","/tmp")));
fs.delete(testdir, true);
Path inFile = new Path(testdir, "nullin/blah");
SequenceFile.Writer w = SequenceFile.createWriter(fs, conf, inFile,

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestMiniMRChildTask.java
View File

@ -75,8 +75,8 @@ public class TestMiniMRChildTask {
}
}
private static Path TEST_ROOT_DIR = new Path("target",
TestMiniMRChildTask.class.getName() + "-tmpDir").makeQualified(localFs);
private static Path TEST_ROOT_DIR = localFs.makeQualified(
new Path("target", TestMiniMRChildTask.class.getName() + "-tmpDir"));
static Path APP_JAR = new Path(TEST_ROOT_DIR, "MRAppJar.jar");
/**

8
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestTextInputFormat.java
View File

@ -61,10 +61,10 @@ public class TestTextInputFormat {
throw new RuntimeException("init failure", e);
}
}
@SuppressWarnings("deprecation")
private static Path workDir =
new Path(new Path(System.getProperty("test.build.data", "/tmp")),
"TestTextInputFormat").makeQualified(localFs);
private static Path workDir = localFs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"),
"TestTextInputFormat"));
@Test (timeout=500000)
public void testFormat() throws Exception {

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/join/TestWrappedRecordReaderClassloader.java
View File

@ -50,8 +50,8 @@ public void testClassLoader() throws Exception {
assertTrue(job.getClassLoader() instanceof Fake_ClassLoader);
FileSystem fs = FileSystem.get(job);
Path testdir = new Path(System.getProperty("test.build.data", "/tmp"))
.makeQualified(fs);
Path testdir = fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp")));
Path base = new Path(testdir, "/empty");
Path[] src = { new Path(base, "i0"), new Path("i1"), new Path("i2") };

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/join/TestWrappedRRClassloader.java
View File

@ -50,8 +50,8 @@ public void testClassLoader() throws Exception {
assertTrue(conf.getClassLoader() instanceof Fake_ClassLoader);
FileSystem fs = FileSystem.get(conf);
Path testdir = new Path(System.getProperty("test.build.data", "/tmp"))
.makeQualified(fs);
Path testdir = fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp")));
Path base = new Path(testdir, "/empty");
Path[] src = { new Path(base, "i0"), new Path("i1"), new Path("i2") };

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/util/MRAsyncDiskService.java
View File

@ -330,7 +330,7 @@ public void cleanupAllVolumes() throws IOException {
* Returns the normalized path of a path.
*/
private String normalizePath(String path) {
return (new Path(path)).makeQualified(this.localFileSystem)
return this.localFileSystem.makeQualified(new Path(path))
.toUri().getPath();
}

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java
View File

@ -128,8 +128,8 @@ public class TestMRJobs {
}
}
private static Path TEST_ROOT_DIR = new Path("target",
TestMRJobs.class.getName() + "-tmpDir").makeQualified(localFs);
private static Path TEST_ROOT_DIR = localFs.makeQualified(
new Path("target", TestMRJobs.class.getName() + "-tmpDir"));
static Path APP_JAR = new Path(TEST_ROOT_DIR, "MRAppJar.jar");
private static final String OUTPUT_ROOT_DIR = "/tmp/" +
TestMRJobs.class.getSimpleName();

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java
View File

@ -73,8 +73,8 @@ public class TestMRJobsWithHistoryService {
}
}
private static Path TEST_ROOT_DIR = new Path("target",
TestMRJobs.class.getName() + "-tmpDir").makeQualified(localFs);
private static Path TEST_ROOT_DIR = localFs.makeQualified(
new Path("target", TestMRJobs.class.getName() + "-tmpDir"));
static Path APP_JAR = new Path(TEST_ROOT_DIR, "MRAppJar.jar");
@Before

2
hadoop-tools/hadoop-archives/src/main/java/org/apache/hadoop/tools/HadoopArchives.java
View File

@ -473,7 +473,7 @@ void archive(Path parentPath, List<Path> srcPaths,
conf.setLong(HAR_BLOCKSIZE_LABEL, blockSize);
conf.setLong(HAR_PARTSIZE_LABEL, partSize);
conf.set(DST_HAR_LABEL, archiveName);
conf.set(SRC_PARENT_LABEL, parentPath.makeQualified(fs).toString());
conf.set(SRC_PARENT_LABEL, fs.makeQualified(parentPath).toString());
conf.setInt(HAR_REPLICATION_LABEL, repl);
Path outputPath = new Path(dest, archiveName);
FileOutputFormat.setOutputPath(conf, outputPath);

2
hadoop-tools/hadoop-gridmix/src/main/java/org/apache/hadoop/mapred/gridmix/Gridmix.java
View File

@ -447,7 +447,7 @@ private int runJob(Configuration conf, String[] argv)
// Create <ioPath> with 777 permissions
final FileSystem inputFs = ioPath.getFileSystem(conf);
ioPath = ioPath.makeQualified(inputFs);
ioPath = inputFs.makeQualified(ioPath);
boolean succeeded = false;
try {
succeeded = FileSystem.mkdirs(inputFs, ioPath,

8
hadoop-tools/hadoop-gridmix/src/main/java/org/apache/hadoop/mapred/gridmix/PseudoLocalFs.java
View File

@ -116,7 +116,7 @@ public FSDataOutputStream create(Path path) throws IOException {
* @throws FileNotFoundException
*/
long validateFileNameFormat(Path path) throws FileNotFoundException {
path = path.makeQualified(this);
path = this.makeQualified(path);
boolean valid = true;
long fileSize = 0;
if (!path.toUri().getScheme().equals(getUri().getScheme())) {
@ -329,4 +329,10 @@ public void setWorkingDirectory(Path newDir) {
throw new UnsupportedOperationException("SetWorkingDirectory "
+ "is not supported in pseudo local file system.");
}
@Override
public Path makeQualified(Path path) {
// skip FileSystem#checkPath() to validate some other Filesystems
return path.makeQualified(this.getUri(), this.getWorkingDirectory());
}
}

4
hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestFilePool.java
View File

@ -48,8 +48,8 @@ static Path getBaseDir() {
try {
final Configuration conf = new Configuration();
final FileSystem fs = FileSystem.getLocal(conf).getRaw();
return new Path(System.getProperty("test.build.data", "/tmp"),
"testFilePool").makeQualified(fs);
return fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"), "testFilePool"));
} catch (IOException e) {
fail();
}

8
hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestFileQueue.java
View File

@ -48,8 +48,8 @@ public class TestFileQueue {
public static void setup() throws IOException {
final Configuration conf = new Configuration();
final FileSystem fs = FileSystem.getLocal(conf).getRaw();
final Path p = new Path(System.getProperty("test.build.data", "/tmp"),
"testFileQueue").makeQualified(fs);
final Path p = fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"), "testFileQueue"));
fs.delete(p, true);
final byte[] b = new byte[BLOCK];
for (int i = 0; i < NFILES; ++i) {
@ -71,8 +71,8 @@ public static void setup() throws IOException {
public static void cleanup() throws IOException {
final Configuration conf = new Configuration();
final FileSystem fs = FileSystem.getLocal(conf).getRaw();
final Path p = new Path(System.getProperty("test.build.data", "/tmp"),
"testFileQueue").makeQualified(fs);
final Path p = fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"), "testFileQueue"));
fs.delete(p, true);
}

2
hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestPseudoLocalFs.java
View File

@ -224,7 +224,7 @@ public void testPseudoLocalFsFileNames() throws IOException {
// Validate operations on valid qualified path
path = new Path("myPsedoFile.1237");
path = path.makeQualified(pfs);
path = pfs.makeQualified(path);
validateGetFileStatus(pfs, path, true);
validateCreate(pfs, path, true);
validateOpen(pfs, path, true);

4
hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestUserResolve.java
View File

@ -40,8 +40,8 @@ public class TestUserResolve {
public static void createRootDir() throws IOException {
conf = new Configuration();
fs = FileSystem.getLocal(conf);
rootDir = new Path(new Path(System.getProperty("test.build.data", "/tmp"))
.makeQualified(fs), "gridmixUserResolve");
rootDir = new Path(fs.makeQualified(new Path(
System.getProperty("test.build.data", "/tmp"))), "gridmixUserResolve");
}
/**

2
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/util/SwiftTestUtils.java
View File

@ -278,7 +278,7 @@ public static void cleanup(String action,
noteAction(action);
try {
if (fileSystem != null) {
fileSystem.delete(new Path(cleanupPath).makeQualified(fileSystem),
fileSystem.delete(fileSystem.makeQualified(new Path(cleanupPath)),
true);
}
} catch (Exception e) {

2
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/SwiftFileSystemBaseTest.java
View File

@ -159,7 +159,7 @@ protected void assumeRenameSupported() {
* @return a qualified path instance
*/
protected Path path(String pathString) {
return new Path(pathString).makeQualified(fs);
return fs.makeQualified(new Path(pathString));
}
/**

4
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/TestSwiftFileSystemPartitionedUploads.java
View File

@ -126,7 +126,7 @@ public void testFilePartUpload() throws Throwable {
SwiftTestUtils.compareByteArrays(src, dest, len);
FileStatus status;
final Path qualifiedPath = path.makeQualified(fs);
final Path qualifiedPath = fs.makeQualified(path);
status = fs.getFileStatus(qualifiedPath);
//now see what block location info comes back.
//This will vary depending on the Swift version, so the results
@ -216,7 +216,7 @@ public void testFilePartUploadNoLengthCheck() throws IOException, URISyntaxExcep
private FileStatus validatePathLen(Path path, int len) throws IOException {
//verify that the length is what was written in a direct status check
final Path qualifiedPath = path.makeQualified(fs);
final Path qualifiedPath = fs.makeQualified(path);
FileStatus[] parentDirListing = fs.listStatus(qualifiedPath.getParent());
StringBuilder listing = lsToString(parentDirListing);
String parentDirLS = listing.toString();

6
hadoop-tools/hadoop-rumen/src/test/java/org/apache/hadoop/tools/rumen/TestHistograms.java
View File

@ -57,8 +57,8 @@ public class TestHistograms {
public void testHistograms() throws IOException {
final Configuration conf = new Configuration();
final FileSystem lfs = FileSystem.getLocal(conf);
final Path rootInputDir = new Path(
System.getProperty("test.tools.input.dir", "")).makeQualified(lfs);
final Path rootInputDir = lfs.makeQualified(new Path(
System.getProperty("test.tools.input.dir", "target/input")));
final Path rootInputFile = new Path(rootInputDir, "rumen/histogram-tests");
@ -132,7 +132,7 @@ public static void main(String[] args) throws IOException {
final FileSystem lfs = FileSystem.getLocal(conf);
for (String arg : args) {
Path filePath = new Path(arg).makeQualified(lfs);
Path filePath = lfs.makeQualified(new Path(arg));
String fileName = filePath.getName();
if (fileName.startsWith("input")) {
LoggedDiscreteCDF newResult = histogramFileToCDF(filePath, lfs);

27
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/StreamJob.java
View File

@ -22,13 +22,11 @@
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import java.util.TreeMap;
import java.util.TreeSet;
@ -41,12 +39,12 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.filecache.DistributedCache;
import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.mapred.FileInputFormat;
@ -56,7 +54,6 @@
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.JobID;
import org.apache.hadoop.mapred.KeyValueTextInputFormat;
import org.apache.hadoop.mapred.OutputFormat;
import org.apache.hadoop.mapred.RunningJob;
import org.apache.hadoop.mapred.SequenceFileAsTextInputFormat;
import org.apache.hadoop.mapred.SequenceFileInputFormat;
@ -65,6 +62,7 @@
import org.apache.hadoop.mapred.lib.LazyOutputFormat;
import org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner;
import org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.streaming.io.IdentifierResolver;
import org.apache.hadoop.streaming.io.InputWriter;
import org.apache.hadoop.streaming.io.OutputReader;
@ -297,7 +295,10 @@ void parseArgv() {
try {
Path path = new Path(file);
FileSystem localFs = FileSystem.getLocal(config_);
String finalPath = path.makeQualified(localFs).toString();
Path qualifiedPath = path.makeQualified(
localFs.getUri(), localFs.getWorkingDirectory());
validate(qualifiedPath);
String finalPath = qualifiedPath.toString();
if(fileList.length() > 0) {
fileList.append(',');
}
@ -313,7 +314,6 @@ void parseArgv() {
tmpFiles = tmpFiles + "," + fileList;
}
config_.set("tmpfiles", tmpFiles);
validate(packageFiles_);
}
String fsName = cmdLine.getOptionValue("dfs");
@ -391,14 +391,13 @@ private Option createBoolOption(String name, String desc){
return OptionBuilder.withDescription(desc).create(name);
}
private void validate(final List<String> values)
throws IllegalArgumentException {
for (String file : values) {
File f = new File(file);
if (!FileUtil.canRead(f)) {
fail("File: " + f.getAbsolutePath()
+ " does not exist, or is not readable.");
}
private void validate(final Path path) throws IOException {
try {
path.getFileSystem(config_).access(path, FsAction.READ);
} catch (FileNotFoundException e) {
fail("File: " + path + " does not exist.");
} catch (AccessControlException e) {
fail("File: " + path + " is not readable.");
}
}