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HADOOP-16004. ABFS: Convert 404 error response in AbfsInputStream and AbfsOutPutStream to FileNotFoundException. 

Contributed by Da Zhou.
This commit is contained in:
Da Zhou 2018-12-17 11:15:20 +00:00 committed by Steve Loughran
parent 62df60737c
commit 346c0c8aff
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3 changed files with 72 additions and 4 deletions
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9
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsInputStream.java
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@ -19,13 +19,16 @@
package org.apache.hadoop.fs.azurebfs.services;
import java.io.EOFException;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.HttpURLConnection;
import com.google.common.base.Preconditions;
import org.apache.hadoop.fs.FSExceptionMessages;
import org.apache.hadoop.fs.FSInputStream;
import org.apache.hadoop.fs.FileSystem.Statistics;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException;
/**
@ -225,6 +228,12 @@ public class AbfsInputStream extends FSInputStream {
try {
op = client.read(path, position, b, offset, length, tolerateOobAppends ? "*" : eTag);
} catch (AzureBlobFileSystemException ex) {
if (ex instanceof AbfsRestOperationException) {
AbfsRestOperationException ere = (AbfsRestOperationException) ex;
if (ere.getStatusCode() == HttpURLConnection.HTTP_NOT_FOUND) {
throw new FileNotFoundException(ere.getMessage());
}
}
throw new IOException(ex);
}
long bytesRead = op.getResult().getBytesReceived();

16
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsOutputStream.java
View File

@ -18,9 +18,11 @@
package org.apache.hadoop.fs.azurebfs.services;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.util.Locale;
import java.util.concurrent.ConcurrentLinkedDeque;
import java.util.concurrent.LinkedBlockingQueue;
@ -33,10 +35,11 @@ import java.util.concurrent.TimeUnit;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException;
import org.apache.hadoop.fs.FSExceptionMessages;
import org.apache.hadoop.fs.StreamCapabilities;
import org.apache.hadoop.fs.Syncable;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException;
/**
* The BlobFsOutputStream for Rest AbfsClient.
@ -290,6 +293,12 @@ public class AbfsOutputStream extends OutputStream implements Syncable, StreamCa
try {
writeOperation.task.get();
} catch (Exception ex) {
if (ex.getCause() instanceof AbfsRestOperationException) {
if (((AbfsRestOperationException) ex.getCause()).getStatusCode() == HttpURLConnection.HTTP_NOT_FOUND) {
throw new FileNotFoundException(ex.getMessage());
}
}
if (ex.getCause() instanceof AzureBlobFileSystemException) {
ex = (AzureBlobFileSystemException) ex.getCause();
}
@ -313,6 +322,11 @@ public class AbfsOutputStream extends OutputStream implements Syncable, StreamCa
try {
client.flush(path, offset, retainUncommitedData);
} catch (AzureBlobFileSystemException ex) {
if (ex instanceof AbfsRestOperationException) {
if (((AbfsRestOperationException) ex).getStatusCode() == HttpURLConnection.HTTP_NOT_FOUND) {
throw new FileNotFoundException(ex.getMessage());
}
}
throw new IOException(ex);
}
this.lastFlushOffset = offset;

51
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemE2E.java
View File

@ -18,6 +18,7 @@
package org.apache.hadoop.fs.azurebfs;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Random;
@ -30,9 +31,7 @@ import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertArrayEquals;
import static org.apache.hadoop.test.LambdaTestUtils.intercept;
/**
* Test end to end between ABFS client and ABFS server.
@ -136,6 +135,52 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
inputStream.close();
}
@Test
public void testReadWithFileNotFoundException() throws Exception {
final AzureBlobFileSystem fs = getFileSystem();
final Path testFilePath = new Path(methodName.getMethodName());
testWriteOneByteToFile(testFilePath);
FSDataInputStream inputStream = fs.open(testFilePath, TEST_DEFAULT_BUFFER_SIZE);
fs.delete(testFilePath, true);
assertFalse(fs.exists(testFilePath));
intercept(FileNotFoundException.class,
() -> inputStream.read(new byte[1]));
}
@Test
public void testWriteWithFileNotFoundException() throws Exception {
final AzureBlobFileSystem fs = getFileSystem();
final Path testFilePath = new Path(methodName.getMethodName());
FSDataOutputStream stream = fs.create(testFilePath);
assertTrue(fs.exists(testFilePath));
stream.write(TEST_BYTE);
fs.delete(testFilePath, true);
assertFalse(fs.exists(testFilePath));
// trigger append call
intercept(FileNotFoundException.class,
() -> stream.close());
}
@Test
public void testFlushWithFileNotFoundException() throws Exception {
final AzureBlobFileSystem fs = getFileSystem();
final Path testFilePath = new Path(methodName.getMethodName());
FSDataOutputStream stream = fs.create(testFilePath);
assertTrue(fs.exists(testFilePath));
fs.delete(testFilePath, true);
assertFalse(fs.exists(testFilePath));
intercept(FileNotFoundException.class,
() -> stream.close());
}
private void testWriteOneByteToFile(Path testFilePath) throws Exception {
final AzureBlobFileSystem fs = getFileSystem();
try(FSDataOutputStream stream = fs.create(testFilePath)) {