Java Code Examples for org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier#readFields()
The following examples show how to use
org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier#readFields() .
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Example 1
| Source File: TestDelegationTokenForProxyUser.java From hadoop with Apache License 2.0 | 6 votes |
|
@Test(timeout=20000)
public void testDelegationTokenWithRealUser() throws IOException {
try {
Token<?>[] tokens = proxyUgi
.doAs(new PrivilegedExceptionAction<Token<?>[]>() {
@Override
public Token<?>[] run() throws IOException {
return cluster.getFileSystem().addDelegationTokens("RenewerUser", null);
}
});
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = tokens[0].getIdentifier();
identifier.readFields(new DataInputStream(new ByteArrayInputStream(
tokenId)));
Assert.assertEquals(identifier.getUser().getUserName(), PROXY_USER);
Assert.assertEquals(identifier.getUser().getRealUser().getUserName(),
REAL_USER);
} catch (InterruptedException e) {
//Do Nothing
}
}
Example 2
| Source File: TestDelegationTokenForProxyUser.java From big-c with Apache License 2.0 | 6 votes |
|
@Test(timeout=20000)
public void testDelegationTokenWithRealUser() throws IOException {
try {
Token<?>[] tokens = proxyUgi
.doAs(new PrivilegedExceptionAction<Token<?>[]>() {
@Override
public Token<?>[] run() throws IOException {
return cluster.getFileSystem().addDelegationTokens("RenewerUser", null);
}
});
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = tokens[0].getIdentifier();
identifier.readFields(new DataInputStream(new ByteArrayInputStream(
tokenId)));
Assert.assertEquals(identifier.getUser().getUserName(), PROXY_USER);
Assert.assertEquals(identifier.getUser().getRealUser().getUserName(),
REAL_USER);
} catch (InterruptedException e) {
//Do Nothing
}
}
Example 3
| Source File: DataNodeUGIProvider.java From hadoop with Apache License 2.0 | 5 votes |
|
private UserGroupInformation tokenUGI() throws IOException {
Token<DelegationTokenIdentifier> token = params.delegationToken();
ByteArrayInputStream buf =
new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
UserGroupInformation ugi = id.getUser();
ugi.addToken(token);
return ugi;
}
Example 4
| Source File: JspHelper.java From hadoop with Apache License 2.0 | 5 votes |
|
private static UserGroupInformation getTokenUGI(ServletContext context,
HttpServletRequest request,
String tokenString,
Configuration conf)
throws IOException {
final Token<DelegationTokenIdentifier> token =
new Token<DelegationTokenIdentifier>();
token.decodeFromUrlString(tokenString);
InetSocketAddress serviceAddress = getNNServiceAddress(context, request);
if (serviceAddress != null) {
SecurityUtil.setTokenService(token, serviceAddress);
token.setKind(DelegationTokenIdentifier.HDFS_DELEGATION_KIND);
}
ByteArrayInputStream buf =
new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
if (context != null) {
final NameNode nn = NameNodeHttpServer.getNameNodeFromContext(context);
if (nn != null) {
// Verify the token.
nn.getNamesystem().verifyToken(id, token.getPassword());
}
}
UserGroupInformation ugi = id.getUser();
ugi.addToken(token);
return ugi;
}
Example 5
| Source File: TestDelegationToken.java From hadoop with Apache License 2.0 | 5 votes |
|
@Test
public void testDelegationTokenSecretManager() throws Exception {
Token<DelegationTokenIdentifier> token = generateDelegationToken(
"SomeUser", "JobTracker");
// Fake renewer should not be able to renew
try {
dtSecretManager.renewToken(token, "FakeRenewer");
Assert.fail("should have failed");
} catch (AccessControlException ace) {
// PASS
}
dtSecretManager.renewToken(token, "JobTracker");
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
LOG.info("Sleep to expire the token");
Thread.sleep(6000);
//Token should be expired
try {
dtSecretManager.retrievePassword(identifier);
//Should not come here
Assert.fail("Token should have expired");
} catch (InvalidToken e) {
//Success
}
dtSecretManager.renewToken(token, "JobTracker");
LOG.info("Sleep beyond the max lifetime");
Thread.sleep(5000);
try {
dtSecretManager.renewToken(token, "JobTracker");
Assert.fail("should have been expired");
} catch (InvalidToken it) {
// PASS
}
}
Example 6
| Source File: TestDelegationToken.java From hadoop with Apache License 2.0 | 5 votes |
|
@SuppressWarnings("unchecked")
private void checkTokenIdentifier(UserGroupInformation ugi, final Token<?> token)
throws Exception {
Assert.assertNotNull(token);
// should be able to use token.decodeIdentifier() but webhdfs isn't
// registered with the service loader for token decoding
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
DataInputStream in = new DataInputStream(new ByteArrayInputStream(tokenId));
try {
identifier.readFields(in);
} finally {
in.close();
}
Assert.assertNotNull(identifier);
LOG.info("A valid token should have non-null password, and should be renewed successfully");
Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
dtSecretManager.renewToken((Token<DelegationTokenIdentifier>) token, "JobTracker");
ugi.doAs(
new PrivilegedExceptionAction<Object>() {
@Override
public Object run() throws Exception {
token.renew(config);
token.cancel(config);
return null;
}
});
}
Example 7
| Source File: TestDelegationTokensWithHA.java From hadoop with Apache License 2.0 | 5 votes |
|
@Test(timeout = 300000)
public void testDelegationTokenDFSApi() throws Exception {
final Token<DelegationTokenIdentifier> token =
getDelegationToken(fs, "JobTracker");
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
// Ensure that it's present in the NN's secret manager and can
// be renewed directly from there.
LOG.info("A valid token should have non-null password, " +
"and should be renewed successfully");
assertTrue(null != dtSecretManager.retrievePassword(identifier));
dtSecretManager.renewToken(token, "JobTracker");
// Use the client conf with the failover info present to check
// renewal.
Configuration clientConf = dfs.getConf();
doRenewOrCancel(token, clientConf, TokenTestAction.RENEW);
// Using a configuration that doesn't have the logical nameservice
// configured should result in a reasonable error message.
Configuration emptyConf = new Configuration();
try {
doRenewOrCancel(token, emptyConf, TokenTestAction.RENEW);
fail("Did not throw trying to renew with an empty conf!");
} catch (IOException ioe) {
GenericTestUtils.assertExceptionContains(
"Unable to map logical nameservice URI", ioe);
}
// Ensure that the token can be renewed again after a failover.
cluster.transitionToStandby(0);
cluster.transitionToActive(1);
doRenewOrCancel(token, clientConf, TokenTestAction.RENEW);
doRenewOrCancel(token, clientConf, TokenTestAction.CANCEL);
}
Example 8
| Source File: DataNodeUGIProvider.java From big-c with Apache License 2.0 | 5 votes |
|
private UserGroupInformation tokenUGI() throws IOException {
Token<DelegationTokenIdentifier> token = params.delegationToken();
ByteArrayInputStream buf =
new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
UserGroupInformation ugi = id.getUser();
ugi.addToken(token);
return ugi;
}
Example 9
| Source File: JspHelper.java From big-c with Apache License 2.0 | 5 votes |
|
private static UserGroupInformation getTokenUGI(ServletContext context,
HttpServletRequest request,
String tokenString,
Configuration conf)
throws IOException {
final Token<DelegationTokenIdentifier> token =
new Token<DelegationTokenIdentifier>();
token.decodeFromUrlString(tokenString);
InetSocketAddress serviceAddress = getNNServiceAddress(context, request);
if (serviceAddress != null) {
SecurityUtil.setTokenService(token, serviceAddress);
token.setKind(DelegationTokenIdentifier.HDFS_DELEGATION_KIND);
}
ByteArrayInputStream buf =
new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
if (context != null) {
final NameNode nn = NameNodeHttpServer.getNameNodeFromContext(context);
if (nn != null) {
// Verify the token.
nn.getNamesystem().verifyToken(id, token.getPassword());
}
}
UserGroupInformation ugi = id.getUser();
ugi.addToken(token);
return ugi;
}
Example 10
| Source File: TestDelegationToken.java From big-c with Apache License 2.0 | 5 votes |
|
@Test
public void testDelegationTokenSecretManager() throws Exception {
Token<DelegationTokenIdentifier> token = generateDelegationToken(
"SomeUser", "JobTracker");
// Fake renewer should not be able to renew
try {
dtSecretManager.renewToken(token, "FakeRenewer");
Assert.fail("should have failed");
} catch (AccessControlException ace) {
// PASS
}
dtSecretManager.renewToken(token, "JobTracker");
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
LOG.info("Sleep to expire the token");
Thread.sleep(6000);
//Token should be expired
try {
dtSecretManager.retrievePassword(identifier);
//Should not come here
Assert.fail("Token should have expired");
} catch (InvalidToken e) {
//Success
}
dtSecretManager.renewToken(token, "JobTracker");
LOG.info("Sleep beyond the max lifetime");
Thread.sleep(5000);
try {
dtSecretManager.renewToken(token, "JobTracker");
Assert.fail("should have been expired");
} catch (InvalidToken it) {
// PASS
}
}
Example 11
| Source File: TestDelegationToken.java From big-c with Apache License 2.0 | 5 votes |
|
@SuppressWarnings("unchecked")
private void checkTokenIdentifier(UserGroupInformation ugi, final Token<?> token)
throws Exception {
Assert.assertNotNull(token);
// should be able to use token.decodeIdentifier() but webhdfs isn't
// registered with the service loader for token decoding
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
DataInputStream in = new DataInputStream(new ByteArrayInputStream(tokenId));
try {
identifier.readFields(in);
} finally {
in.close();
}
Assert.assertNotNull(identifier);
LOG.info("A valid token should have non-null password, and should be renewed successfully");
Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
dtSecretManager.renewToken((Token<DelegationTokenIdentifier>) token, "JobTracker");
ugi.doAs(
new PrivilegedExceptionAction<Object>() {
@Override
public Object run() throws Exception {
token.renew(config);
token.cancel(config);
return null;
}
});
}
Example 12
| Source File: TestDelegationTokensWithHA.java From big-c with Apache License 2.0 | 5 votes |
|
@Test(timeout = 300000)
public void testDelegationTokenDFSApi() throws Exception {
final Token<DelegationTokenIdentifier> token =
getDelegationToken(fs, "JobTracker");
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
// Ensure that it's present in the NN's secret manager and can
// be renewed directly from there.
LOG.info("A valid token should have non-null password, " +
"and should be renewed successfully");
assertTrue(null != dtSecretManager.retrievePassword(identifier));
dtSecretManager.renewToken(token, "JobTracker");
// Use the client conf with the failover info present to check
// renewal.
Configuration clientConf = dfs.getConf();
doRenewOrCancel(token, clientConf, TokenTestAction.RENEW);
// Using a configuration that doesn't have the logical nameservice
// configured should result in a reasonable error message.
Configuration emptyConf = new Configuration();
try {
doRenewOrCancel(token, emptyConf, TokenTestAction.RENEW);
fail("Did not throw trying to renew with an empty conf!");
} catch (IOException ioe) {
GenericTestUtils.assertExceptionContains(
"Unable to map logical nameservice URI", ioe);
}
// Ensure that the token can be renewed again after a failover.
cluster.transitionToStandby(0);
cluster.transitionToActive(1);
doRenewOrCancel(token, clientConf, TokenTestAction.RENEW);
doRenewOrCancel(token, clientConf, TokenTestAction.CANCEL);
}
Example 13
| Source File: ImageLoaderCurrent.java From hadoop with Apache License 2.0 | 4 votes |
|
/**
* Process the Delegation Token related section in fsimage.
*
* @param in DataInputStream to process
* @param v Visitor to walk over records
*/
private void processDelegationTokens(DataInputStream in, ImageVisitor v)
throws IOException {
v.visit(ImageElement.CURRENT_DELEGATION_KEY_ID, in.readInt());
int numDKeys = in.readInt();
v.visitEnclosingElement(ImageElement.DELEGATION_KEYS,
ImageElement.NUM_DELEGATION_KEYS, numDKeys);
for(int i =0; i < numDKeys; i++) {
DelegationKey key = new DelegationKey();
key.readFields(in);
v.visit(ImageElement.DELEGATION_KEY, key.toString());
}
v.leaveEnclosingElement();
v.visit(ImageElement.DELEGATION_TOKEN_SEQUENCE_NUMBER, in.readInt());
int numDTokens = in.readInt();
v.visitEnclosingElement(ImageElement.DELEGATION_TOKENS,
ImageElement.NUM_DELEGATION_TOKENS, numDTokens);
for(int i=0; i<numDTokens; i++){
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
long expiryTime = in.readLong();
v.visitEnclosingElement(ImageElement.DELEGATION_TOKEN_IDENTIFIER);
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_KIND,
id.getKind().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_SEQNO,
id.getSequenceNumber());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_OWNER,
id.getOwner().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_RENEWER,
id.getRenewer().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_REALUSER,
id.getRealUser().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_ISSUE_DATE,
id.getIssueDate());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_MAX_DATE,
id.getMaxDate());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_EXPIRY_TIME,
expiryTime);
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_MASTER_KEY_ID,
id.getMasterKeyId());
v.leaveEnclosingElement(); // DELEGATION_TOKEN_IDENTIFIER
}
v.leaveEnclosingElement(); // DELEGATION_TOKENS
}
Example 14
| Source File: TestDelegationTokensWithHA.java From hadoop with Apache License 2.0 | 4 votes |
|
/**
* Test if StandbyException can be thrown from StandbyNN, when it's requested for
* password. (HDFS-6475). With StandbyException, the client can failover to try
* activeNN.
*/
@Test(timeout = 300000)
public void testDelegationTokenStandbyNNAppearFirst() throws Exception {
// make nn0 the standby NN, and nn1 the active NN
cluster.transitionToStandby(0);
cluster.transitionToActive(1);
final DelegationTokenSecretManager stSecretManager =
NameNodeAdapter.getDtSecretManager(
nn1.getNamesystem());
// create token
final Token<DelegationTokenIdentifier> token =
getDelegationToken(fs, "JobTracker");
final DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
assertTrue(null != stSecretManager.retrievePassword(identifier));
final UserGroupInformation ugi = UserGroupInformation
.createRemoteUser("JobTracker");
ugi.addToken(token);
ugi.doAs(new PrivilegedExceptionAction<Object>() {
@Override
public Object run() {
try {
try {
byte[] tmppw = dtSecretManager.retrievePassword(identifier);
fail("InvalidToken with cause StandbyException is expected"
+ " since nn0 is standby");
return tmppw;
} catch (IOException e) {
// Mimic the UserProvider class logic (server side) by throwing
// SecurityException here
throw new SecurityException(
SecurityUtil.FAILED_TO_GET_UGI_MSG_HEADER + " " + e, e);
}
} catch (Exception oe) {
//
// The exception oe caught here is
// java.lang.SecurityException: Failed to obtain user group
// information: org.apache.hadoop.security.token.
// SecretManager$InvalidToken: StandbyException
//
HttpServletResponse response = mock(HttpServletResponse.class);
ExceptionHandler eh = new ExceptionHandler();
eh.initResponse(response);
// The Response (resp) below is what the server will send to client
//
// BEFORE HDFS-6475 fix, the resp.entity is
// {"RemoteException":{"exception":"SecurityException",
// "javaClassName":"java.lang.SecurityException",
// "message":"Failed to obtain user group information:
// org.apache.hadoop.security.token.SecretManager$InvalidToken:
// StandbyException"}}
// AFTER the fix, the resp.entity is
// {"RemoteException":{"exception":"StandbyException",
// "javaClassName":"org.apache.hadoop.ipc.StandbyException",
// "message":"Operation category READ is not supported in
// state standby"}}
//
Response resp = eh.toResponse(oe);
// Mimic the client side logic by parsing the response from server
//
Map<?, ?> m = (Map<?, ?>)JSON.parse(resp.getEntity().toString());
RemoteException re = JsonUtil.toRemoteException(m);
Exception unwrapped = ((RemoteException)re).unwrapRemoteException(
StandbyException.class);
assertTrue (unwrapped instanceof StandbyException);
return null;
}
}
});
}
Example 15
| Source File: ImageLoaderCurrent.java From big-c with Apache License 2.0 | 4 votes |
|
/**
* Process the Delegation Token related section in fsimage.
*
* @param in DataInputStream to process
* @param v Visitor to walk over records
*/
private void processDelegationTokens(DataInputStream in, ImageVisitor v)
throws IOException {
v.visit(ImageElement.CURRENT_DELEGATION_KEY_ID, in.readInt());
int numDKeys = in.readInt();
v.visitEnclosingElement(ImageElement.DELEGATION_KEYS,
ImageElement.NUM_DELEGATION_KEYS, numDKeys);
for(int i =0; i < numDKeys; i++) {
DelegationKey key = new DelegationKey();
key.readFields(in);
v.visit(ImageElement.DELEGATION_KEY, key.toString());
}
v.leaveEnclosingElement();
v.visit(ImageElement.DELEGATION_TOKEN_SEQUENCE_NUMBER, in.readInt());
int numDTokens = in.readInt();
v.visitEnclosingElement(ImageElement.DELEGATION_TOKENS,
ImageElement.NUM_DELEGATION_TOKENS, numDTokens);
for(int i=0; i<numDTokens; i++){
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
long expiryTime = in.readLong();
v.visitEnclosingElement(ImageElement.DELEGATION_TOKEN_IDENTIFIER);
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_KIND,
id.getKind().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_SEQNO,
id.getSequenceNumber());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_OWNER,
id.getOwner().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_RENEWER,
id.getRenewer().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_REALUSER,
id.getRealUser().toString());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_ISSUE_DATE,
id.getIssueDate());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_MAX_DATE,
id.getMaxDate());
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_EXPIRY_TIME,
expiryTime);
v.visit(ImageElement.DELEGATION_TOKEN_IDENTIFIER_MASTER_KEY_ID,
id.getMasterKeyId());
v.leaveEnclosingElement(); // DELEGATION_TOKEN_IDENTIFIER
}
v.leaveEnclosingElement(); // DELEGATION_TOKENS
}
Example 16
| Source File: TestDelegationTokensWithHA.java From big-c with Apache License 2.0 | 4 votes |
|
/**
* Test if StandbyException can be thrown from StandbyNN, when it's requested for
* password. (HDFS-6475). With StandbyException, the client can failover to try
* activeNN.
*/
@Test(timeout = 300000)
public void testDelegationTokenStandbyNNAppearFirst() throws Exception {
// make nn0 the standby NN, and nn1 the active NN
cluster.transitionToStandby(0);
cluster.transitionToActive(1);
final DelegationTokenSecretManager stSecretManager =
NameNodeAdapter.getDtSecretManager(
nn1.getNamesystem());
// create token
final Token<DelegationTokenIdentifier> token =
getDelegationToken(fs, "JobTracker");
final DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = token.getIdentifier();
identifier.readFields(new DataInputStream(
new ByteArrayInputStream(tokenId)));
assertTrue(null != stSecretManager.retrievePassword(identifier));
final UserGroupInformation ugi = UserGroupInformation
.createRemoteUser("JobTracker");
ugi.addToken(token);
ugi.doAs(new PrivilegedExceptionAction<Object>() {
@Override
public Object run() {
try {
try {
byte[] tmppw = dtSecretManager.retrievePassword(identifier);
fail("InvalidToken with cause StandbyException is expected"
+ " since nn0 is standby");
return tmppw;
} catch (IOException e) {
// Mimic the UserProvider class logic (server side) by throwing
// SecurityException here
throw new SecurityException(
SecurityUtil.FAILED_TO_GET_UGI_MSG_HEADER + " " + e, e);
}
} catch (Exception oe) {
//
// The exception oe caught here is
// java.lang.SecurityException: Failed to obtain user group
// information: org.apache.hadoop.security.token.
// SecretManager$InvalidToken: StandbyException
//
HttpServletResponse response = mock(HttpServletResponse.class);
ExceptionHandler eh = new ExceptionHandler();
eh.initResponse(response);
// The Response (resp) below is what the server will send to client
//
// BEFORE HDFS-6475 fix, the resp.entity is
// {"RemoteException":{"exception":"SecurityException",
// "javaClassName":"java.lang.SecurityException",
// "message":"Failed to obtain user group information:
// org.apache.hadoop.security.token.SecretManager$InvalidToken:
// StandbyException"}}
// AFTER the fix, the resp.entity is
// {"RemoteException":{"exception":"StandbyException",
// "javaClassName":"org.apache.hadoop.ipc.StandbyException",
// "message":"Operation category READ is not supported in
// state standby"}}
//
Response resp = eh.toResponse(oe);
// Mimic the client side logic by parsing the response from server
//
Map<?, ?> m = (Map<?, ?>)JSON.parse(resp.getEntity().toString());
RemoteException re = JsonUtil.toRemoteException(m);
Exception unwrapped = ((RemoteException)re).unwrapRemoteException(
StandbyException.class);
assertTrue (unwrapped instanceof StandbyException);
return null;
}
}
});
}
