org.apache.flink.runtime.rest.util.RestClientException Java Examples
The following examples show how to use
org.apache.flink.runtime.rest.util.RestClientException.
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Example #1
| Source File: RestClient.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
|
private static <P extends ResponseBody> CompletableFuture<P> parseResponse(JsonResponse rawResponse, JavaType responseType) {
CompletableFuture<P> responseFuture = new CompletableFuture<>();
final JsonParser jsonParser = objectMapper.treeAsTokens(rawResponse.json);
try {
P response = objectMapper.readValue(jsonParser, responseType);
responseFuture.complete(response);
} catch (IOException originalException) {
// the received response did not matched the expected response type
// lets see if it is an ErrorResponse instead
try {
ErrorResponseBody error = objectMapper.treeToValue(rawResponse.getJson(), ErrorResponseBody.class);
responseFuture.completeExceptionally(new RestClientException(error.errors.toString(), rawResponse.getHttpResponseStatus()));
} catch (JsonProcessingException jpe2) {
// if this fails it is either the expected type or response type was wrong, most likely caused
// by a client/search MessageHeaders mismatch
LOG.error("Received response was neither of the expected type ({}) nor an error. Response={}", responseType, rawResponse, jpe2);
responseFuture.completeExceptionally(
new RestClientException(
"Response was neither of the expected type(" + responseType + ") nor an error.",
originalException,
rawResponse.getHttpResponseStatus()));
}
}
return responseFuture;
}
Example #2
| Source File: RestServerEndpointITCase.java From flink with Apache License 2.0 | 6 votes |
|
/**
* Tests that requests larger than {@link #TEST_REST_MAX_CONTENT_LENGTH} are rejected.
*/
@Test
public void testShouldRespectMaxContentLengthLimitForRequests() throws Exception {
testHandler.handlerBody = id -> {
throw new AssertionError("Request should not arrive at server.");
};
try {
sendRequestToTestHandler(new TestRequest(2, createStringOfSize(TEST_REST_MAX_CONTENT_LENGTH))).get();
fail("Expected exception not thrown");
} catch (final ExecutionException e) {
final Throwable throwable = ExceptionUtils.stripExecutionException(e);
assertThat(throwable, instanceOf(RestClientException.class));
assertThat(throwable.getMessage(), containsString("Try to raise"));
}
}
Example #3
| Source File: RestServerEndpointITCase.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
|
/**
* Tests that requests larger than {@link #TEST_REST_MAX_CONTENT_LENGTH} are rejected.
*/
@Test
public void testShouldRespectMaxContentLengthLimitForRequests() throws Exception {
testHandler.handlerBody = id -> {
throw new AssertionError("Request should not arrive at server.");
};
try {
sendRequestToTestHandler(new TestRequest(2, createStringOfSize(TEST_REST_MAX_CONTENT_LENGTH))).get();
fail("Expected exception not thrown");
} catch (final ExecutionException e) {
final Throwable throwable = ExceptionUtils.stripExecutionException(e);
assertThat(throwable, instanceOf(RestClientException.class));
assertThat(throwable.getMessage(), containsString("Try to raise"));
}
}
Example #4
| Source File: RestClient.java From flink with Apache License 2.0 | 6 votes |
|
private static <P extends ResponseBody> CompletableFuture<P> parseResponse(JsonResponse rawResponse, JavaType responseType) {
CompletableFuture<P> responseFuture = new CompletableFuture<>();
final JsonParser jsonParser = objectMapper.treeAsTokens(rawResponse.json);
try {
P response = objectMapper.readValue(jsonParser, responseType);
responseFuture.complete(response);
} catch (IOException originalException) {
// the received response did not matched the expected response type
// lets see if it is an ErrorResponse instead
try {
ErrorResponseBody error = objectMapper.treeToValue(rawResponse.getJson(), ErrorResponseBody.class);
responseFuture.completeExceptionally(new RestClientException(error.errors.toString(), rawResponse.getHttpResponseStatus()));
} catch (JsonProcessingException jpe2) {
// if this fails it is either the expected type or response type was wrong, most likely caused
// by a client/search MessageHeaders mismatch
LOG.error("Received response was neither of the expected type ({}) nor an error. Response={}", responseType, rawResponse, jpe2);
responseFuture.completeExceptionally(
new RestClientException(
"Response was neither of the expected type(" + responseType + ") nor an error.",
originalException,
rawResponse.getHttpResponseStatus()));
}
}
return responseFuture;
}
Example #5
| Source File: RestClient.java From flink with Apache License 2.0 | 6 votes |
|
private static <P extends ResponseBody> CompletableFuture<P> parseResponse(JsonResponse rawResponse, JavaType responseType) {
CompletableFuture<P> responseFuture = new CompletableFuture<>();
final JsonParser jsonParser = objectMapper.treeAsTokens(rawResponse.json);
try {
P response = objectMapper.readValue(jsonParser, responseType);
responseFuture.complete(response);
} catch (IOException originalException) {
// the received response did not matched the expected response type
// lets see if it is an ErrorResponse instead
try {
ErrorResponseBody error = objectMapper.treeToValue(rawResponse.getJson(), ErrorResponseBody.class);
responseFuture.completeExceptionally(new RestClientException(error.errors.toString(), rawResponse.getHttpResponseStatus()));
} catch (JsonProcessingException jpe2) {
// if this fails it is either the expected type or response type was wrong, most likely caused
// by a client/search MessageHeaders mismatch
LOG.error("Received response was neither of the expected type ({}) nor an error. Response={}", responseType, rawResponse, jpe2);
responseFuture.completeExceptionally(
new RestClientException(
"Response was neither of the expected type(" + responseType + ") nor an error.",
originalException,
rawResponse.getHttpResponseStatus()));
}
}
return responseFuture;
}
Example #6
| Source File: RestServerEndpointITCase.java From flink with Apache License 2.0 | 6 votes |
|
/**
* Tests that requests larger than {@link #TEST_REST_MAX_CONTENT_LENGTH} are rejected.
*/
@Test
public void testShouldRespectMaxContentLengthLimitForRequests() throws Exception {
testHandler.handlerBody = id -> {
throw new AssertionError("Request should not arrive at server.");
};
try {
sendRequestToTestHandler(new TestRequest(2, createStringOfSize(TEST_REST_MAX_CONTENT_LENGTH))).get();
fail("Expected exception not thrown");
} catch (final ExecutionException e) {
final Throwable throwable = ExceptionUtils.stripExecutionException(e);
assertThat(throwable, instanceOf(RestClientException.class));
assertThat(throwable.getMessage(), containsString("Try to raise"));
}
}
Example #7
| Source File: RestClusterClient.java From flink with Apache License 2.0 | 5 votes |
|
private static Predicate<Throwable> httpExceptionCodePredicate(Predicate<Integer> statusCodePredicate) {
return (throwable) -> ExceptionUtils.findThrowable(throwable, RestClientException.class)
.map(restClientException -> {
final int code = restClientException.getHttpResponseStatus().code();
return statusCodePredicate.test(code);
})
.orElse(false);
}
Example #8
| Source File: RestServerEndpointITCase.java From flink with Apache License 2.0 | 5 votes |
|
/**
* Tests that a bad handler request (HandlerRequest cannot be created) is reported as a BAD_REQUEST
* and not an internal server error.
*
* <p>See FLINK-7663
*/
@Test
public void testBadHandlerRequest() throws Exception {
final FaultyTestParameters parameters = new FaultyTestParameters();
parameters.faultyJobIDPathParameter.resolve(PATH_JOB_ID);
((TestParameters) parameters).jobIDQueryParameter.resolve(Collections.singletonList(QUERY_JOB_ID));
CompletableFuture<TestResponse> response = restClient.sendRequest(
serverAddress.getHostName(),
serverAddress.getPort(),
new TestHeaders(),
parameters,
new TestRequest(2));
try {
response.get();
fail("The request should fail with a bad request return code.");
} catch (ExecutionException ee) {
Throwable t = ExceptionUtils.stripExecutionException(ee);
assertTrue(t instanceof RestClientException);
RestClientException rce = (RestClientException) t;
assertEquals(HttpResponseStatus.BAD_REQUEST, rce.getHttpResponseStatus());
}
}
Example #9
| Source File: RestClient.java From flink with Apache License 2.0 | 5 votes |
|
private void readRawResponse(FullHttpResponse msg) {
ByteBuf content = msg.content();
JsonNode rawResponse;
try (InputStream in = new ByteBufInputStream(content)) {
rawResponse = objectMapper.readTree(in);
LOG.debug("Received response {}.", rawResponse);
} catch (JsonProcessingException je) {
LOG.error("Response was not valid JSON.", je);
// let's see if it was a plain-text message instead
content.readerIndex(0);
try (ByteBufInputStream in = new ByteBufInputStream(content)) {
byte[] data = new byte[in.available()];
in.readFully(data);
String message = new String(data);
LOG.error("Unexpected plain-text response: {}", message);
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, but plain-text: " + message, je, msg.getStatus()));
} catch (IOException e) {
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, nor plain-text.", je, msg.getStatus()));
}
return;
} catch (IOException ioe) {
LOG.error("Response could not be read.", ioe);
jsonFuture.completeExceptionally(new RestClientException("Response could not be read.", ioe, msg.getStatus()));
return;
}
jsonFuture.complete(new JsonResponse(rawResponse, msg.getStatus()));
}
Example #10
| Source File: RestClient.java From flink with Apache License 2.0 | 5 votes |
|
@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof HttpResponse && ((HttpResponse) msg).status().equals(REQUEST_ENTITY_TOO_LARGE)) {
jsonFuture.completeExceptionally(
new RestClientException(
String.format(
REQUEST_ENTITY_TOO_LARGE + ". Try to raise [%s]",
RestOptions.CLIENT_MAX_CONTENT_LENGTH.key()),
((HttpResponse) msg).status()));
} else if (msg instanceof FullHttpResponse) {
readRawResponse((FullHttpResponse) msg);
} else {
LOG.error("Implementation error: Received a response that wasn't a FullHttpResponse.");
if (msg instanceof HttpResponse) {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
((HttpResponse) msg).getStatus()));
} else {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
HttpResponseStatus.INTERNAL_SERVER_ERROR));
}
}
ctx.close();
}
Example #11
| Source File: RestClusterClient.java From flink with Apache License 2.0 | 5 votes |
|
private static Predicate<Throwable> httpExceptionCodePredicate(Predicate<Integer> statusCodePredicate) {
return (throwable) -> ExceptionUtils.findThrowable(throwable, RestClientException.class)
.map(restClientException -> {
final int code = restClientException.getHttpResponseStatus().code();
return statusCodePredicate.test(code);
})
.orElse(false);
}
Example #12
| Source File: RestServerEndpointITCase.java From flink with Apache License 2.0 | 5 votes |
|
/**
* Tests that a bad handler request (HandlerRequest cannot be created) is reported as a BAD_REQUEST
* and not an internal server error.
*
* <p>See FLINK-7663
*/
@Test
public void testBadHandlerRequest() throws Exception {
final FaultyTestParameters parameters = new FaultyTestParameters();
parameters.faultyJobIDPathParameter.resolve(PATH_JOB_ID);
((TestParameters) parameters).jobIDQueryParameter.resolve(Collections.singletonList(QUERY_JOB_ID));
CompletableFuture<TestResponse> response = restClient.sendRequest(
serverAddress.getHostName(),
serverAddress.getPort(),
new TestHeaders(),
parameters,
new TestRequest(2));
try {
response.get();
fail("The request should fail with a bad request return code.");
} catch (ExecutionException ee) {
Throwable t = ExceptionUtils.stripExecutionException(ee);
assertTrue(t instanceof RestClientException);
RestClientException rce = (RestClientException) t;
assertEquals(HttpResponseStatus.BAD_REQUEST, rce.getHttpResponseStatus());
}
}
Example #13
| Source File: RestClient.java From flink with Apache License 2.0 | 5 votes |
|
private void readRawResponse(FullHttpResponse msg) {
ByteBuf content = msg.content();
JsonNode rawResponse;
try (InputStream in = new ByteBufInputStream(content)) {
rawResponse = objectMapper.readTree(in);
LOG.debug("Received response {}.", rawResponse);
} catch (JsonProcessingException je) {
LOG.error("Response was not valid JSON.", je);
// let's see if it was a plain-text message instead
content.readerIndex(0);
try (ByteBufInputStream in = new ByteBufInputStream(content)) {
byte[] data = new byte[in.available()];
in.readFully(data);
String message = new String(data);
LOG.error("Unexpected plain-text response: {}", message);
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, but plain-text: " + message, je, msg.getStatus()));
} catch (IOException e) {
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, nor plain-text.", je, msg.getStatus()));
}
return;
} catch (IOException ioe) {
LOG.error("Response could not be read.", ioe);
jsonFuture.completeExceptionally(new RestClientException("Response could not be read.", ioe, msg.getStatus()));
return;
}
jsonFuture.complete(new JsonResponse(rawResponse, msg.getStatus()));
}
Example #14
| Source File: RestClient.java From flink with Apache License 2.0 | 5 votes |
|
@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof HttpResponse && ((HttpResponse) msg).status().equals(REQUEST_ENTITY_TOO_LARGE)) {
jsonFuture.completeExceptionally(
new RestClientException(
String.format(
REQUEST_ENTITY_TOO_LARGE + ". Try to raise [%s]",
RestOptions.CLIENT_MAX_CONTENT_LENGTH.key()),
((HttpResponse) msg).status()));
} else if (msg instanceof FullHttpResponse) {
readRawResponse((FullHttpResponse) msg);
} else {
LOG.error("Implementation error: Received a response that wasn't a FullHttpResponse.");
if (msg instanceof HttpResponse) {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
((HttpResponse) msg).getStatus()));
} else {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
HttpResponseStatus.INTERNAL_SERVER_ERROR));
}
}
ctx.close();
}
Example #15
| Source File: RestClusterClient.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
private static Predicate<Throwable> httpExceptionCodePredicate(Predicate<Integer> statusCodePredicate) {
return (throwable) -> ExceptionUtils.findThrowable(throwable, RestClientException.class)
.map(restClientException -> {
final int code = restClientException.getHttpResponseStatus().code();
return statusCodePredicate.test(code);
})
.orElse(false);
}
Example #16
| Source File: RestServerEndpointITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
/**
* Tests that a bad handler request (HandlerRequest cannot be created) is reported as a BAD_REQUEST
* and not an internal server error.
*
* <p>See FLINK-7663
*/
@Test
public void testBadHandlerRequest() throws Exception {
final FaultyTestParameters parameters = new FaultyTestParameters();
parameters.faultyJobIDPathParameter.resolve(PATH_JOB_ID);
((TestParameters) parameters).jobIDQueryParameter.resolve(Collections.singletonList(QUERY_JOB_ID));
CompletableFuture<TestResponse> response = restClient.sendRequest(
serverAddress.getHostName(),
serverAddress.getPort(),
new TestHeaders(),
parameters,
new TestRequest(2));
try {
response.get();
fail("The request should fail with a bad request return code.");
} catch (ExecutionException ee) {
Throwable t = ExceptionUtils.stripExecutionException(ee);
assertTrue(t instanceof RestClientException);
RestClientException rce = (RestClientException) t;
assertEquals(HttpResponseStatus.BAD_REQUEST, rce.getHttpResponseStatus());
}
}
Example #17
| Source File: RestClient.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
private void readRawResponse(FullHttpResponse msg) {
ByteBuf content = msg.content();
JsonNode rawResponse;
try (InputStream in = new ByteBufInputStream(content)) {
rawResponse = objectMapper.readTree(in);
LOG.debug("Received response {}.", rawResponse);
} catch (JsonProcessingException je) {
LOG.error("Response was not valid JSON.", je);
// let's see if it was a plain-text message instead
content.readerIndex(0);
try (ByteBufInputStream in = new ByteBufInputStream(content)) {
byte[] data = new byte[in.available()];
in.readFully(data);
String message = new String(data);
LOG.error("Unexpected plain-text response: {}", message);
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, but plain-text: " + message, je, msg.getStatus()));
} catch (IOException e) {
jsonFuture.completeExceptionally(new RestClientException("Response was not valid JSON, nor plain-text.", je, msg.getStatus()));
}
return;
} catch (IOException ioe) {
LOG.error("Response could not be read.", ioe);
jsonFuture.completeExceptionally(new RestClientException("Response could not be read.", ioe, msg.getStatus()));
return;
}
jsonFuture.complete(new JsonResponse(rawResponse, msg.getStatus()));
}
Example #18
| Source File: RestClient.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof HttpResponse && ((HttpResponse) msg).status().equals(REQUEST_ENTITY_TOO_LARGE)) {
jsonFuture.completeExceptionally(
new RestClientException(
String.format(
REQUEST_ENTITY_TOO_LARGE + ". Try to raise [%s]",
RestOptions.CLIENT_MAX_CONTENT_LENGTH.key()),
((HttpResponse) msg).status()));
} else if (msg instanceof FullHttpResponse) {
readRawResponse((FullHttpResponse) msg);
} else {
LOG.error("Implementation error: Received a response that wasn't a FullHttpResponse.");
if (msg instanceof HttpResponse) {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
((HttpResponse) msg).getStatus()));
} else {
jsonFuture.completeExceptionally(
new RestClientException(
"Implementation error: Received a response that wasn't a FullHttpResponse.",
HttpResponseStatus.INTERNAL_SERVER_ERROR));
}
}
ctx.close();
}
Example #19
| Source File: JarRunHandlerTest.java From flink with Apache License 2.0 | 4 votes |
|
@Test
public void testRunJar() throws Exception {
Path uploadDir = TMP.newFolder().toPath();
Path actualUploadDir = uploadDir.resolve("flink-web-upload");
Files.createDirectory(actualUploadDir);
Path emptyJar = actualUploadDir.resolve("empty.jar");
Files.createFile(emptyJar);
Configuration config = new Configuration();
config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());
MiniClusterResource clusterResource = new MiniClusterResource(
new MiniClusterResourceConfiguration.Builder()
.setConfiguration(config)
.setNumberTaskManagers(1)
.setNumberSlotsPerTaskManager(1)
.build());
clusterResource.before();
try {
Configuration clientConfig = clusterResource.getClientConfiguration();
RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());
try {
JarRunHeaders headers = JarRunHeaders.getInstance();
JarRunMessageParameters parameters = headers.getUnresolvedMessageParameters();
parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());
String host = clientConfig.getString(RestOptions.ADDRESS);
int port = clientConfig.getInteger(RestOptions.PORT);
try {
client.sendRequest(host, port, headers, parameters, new JarRunRequestBody())
.get();
} catch (Exception e) {
Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
if (expected.isPresent()) {
// implies the job was actually submitted
assertTrue(expected.get().getMessage().contains("ProgramInvocationException"));
// original cause is preserved in stack trace
assertThat(expected.get().getMessage(), containsString("ZipException: zip file is empty"));
// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
// implies the jar was uploaded (otherwise the file would not be found at all)
assertTrue(expected.get().getMessage().contains("empty.jar"));
} else {
throw e;
}
}
} finally {
client.shutdown(Time.milliseconds(10));
}
} finally {
clusterResource.after();
}
}
Example #20
| Source File: JarRunHandlerTest.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
@Test
public void testRunJar() throws Exception {
Path uploadDir = TMP.newFolder().toPath();
Path actualUploadDir = uploadDir.resolve("flink-web-upload");
Files.createDirectory(actualUploadDir);
Path emptyJar = actualUploadDir.resolve("empty.jar");
Files.createFile(emptyJar);
Configuration config = new Configuration();
config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());
MiniClusterResource clusterResource = new MiniClusterResource(
new MiniClusterResourceConfiguration.Builder()
.setConfiguration(config)
.setNumberTaskManagers(1)
.setNumberSlotsPerTaskManager(1)
.build());
clusterResource.before();
try {
Configuration clientConfig = clusterResource.getClientConfiguration();
RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());
try {
JarRunHeaders headers = JarRunHeaders.getInstance();
JarRunMessageParameters parameters = headers.getUnresolvedMessageParameters();
parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());
String host = clientConfig.getString(RestOptions.ADDRESS);
int port = clientConfig.getInteger(RestOptions.PORT);
try {
client.sendRequest(host, port, headers, parameters, new JarRunRequestBody())
.get();
} catch (Exception e) {
Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
if (expected.isPresent()) {
// implies the job was actually submitted
assertTrue(expected.get().getMessage().contains("ProgramInvocationException"));
// original cause is preserved in stack trace
assertThat(expected.get().getMessage(), containsString("ZipException"));
// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
// implies the jar was uploaded (otherwise the file would not be found at all)
assertTrue(expected.get().getMessage().contains("empty.jar'. zip file is empty"));
} else {
throw e;
}
}
} finally {
client.shutdown(Time.milliseconds(10));
}
} finally {
clusterResource.after();
}
}
