zentol commented on code in PR #22882:
URL: https://github.com/apache/flink/pull/22882#discussion_r1246482509
##########
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/coordination/ClientCoordinationHandler.java:
##########
@@ -77,21 +77,29 @@ protected CompletableFuture<ClientCoordinationResponseBody>
handleRequest(
OperatorID operatorId =
request.getPathParameter(OperatorIDPathParameter.class);
SerializedValue<CoordinationRequest> serializedRequest =
request.getRequestBody().getSerializedCoordinationRequest();
- CompletableFuture<CoordinationResponse> responseFuture =
- gateway.deliverCoordinationRequestToCoordinator(
- jobId, operatorId, serializedRequest, timeout);
- return responseFuture.thenApply(
- coordinationResponse -> {
- try {
- return new ClientCoordinationResponseBody(
- new SerializedValue<>(coordinationResponse));
- } catch (IOException e) {
- throw new CompletionException(
- new RestHandlerException(
- "Failed to serialize coordination
response",
-
HttpResponseStatus.INTERNAL_SERVER_ERROR,
- e));
- }
- });
+ try {
+ CompletableFuture<CoordinationResponse> responseFuture =
+ gateway.deliverCoordinationRequestToCoordinator(
+ jobId, operatorId, serializedRequest, timeout);
+ return responseFuture.thenApply(
+ coordinationResponse -> {
+ try {
+ return new ClientCoordinationResponseBody(
+ new
SerializedValue<>(coordinationResponse));
+ } catch (IOException e) {
+ throw new CompletionException(
+ new RestHandlerException(
+ "Failed to serialize coordination
response",
+
HttpResponseStatus.INTERNAL_SERVER_ERROR,
+ e));
+ }
+ });
+ } catch (Exception e) {
+ throw new RestHandlerException(
Review Comment:
Who is throwing an exception here? Errors shoud be returned via the returned
future; they should never fail immediately.
##########
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/AbstractHandler.java:
##########
@@ -268,12 +266,7 @@ private CompletableFuture<Void> handleException(
HttpResponseStatus.SERVICE_UNAVAILABLE,
responseHeaders);
} else {
- if (throwable instanceof UnavailableDispatcherOperationException
- || throwable instanceof FileNotFoundException) {
- log.debug("Job is not initialized or is finished: {}",
throwable.getMessage());
- } else {
- log.error("Unhandled exception.", throwable);
- }
+ log.error("Unhandled exception.", throwable);
Review Comment:
I don't understand this change.
If you want an e2e test to ignore a certain exceptions in the logs, then
ignore that exception in `common.sh`.
##########
flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/job/coordination/ClientCoordinationHandlerTest.java:
##########
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.rest.handler.job.coordination;
+
+import org.apache.flink.api.common.JobID;
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.runtime.jobgraph.JobVertexID;
+import org.apache.flink.runtime.jobgraph.OperatorID;
+import org.apache.flink.runtime.rest.handler.HandlerRequest;
+import org.apache.flink.runtime.rest.handler.RestHandlerException;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationHeaders;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationMessageParameters;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationRequestBody;
+import org.apache.flink.runtime.webmonitor.TestingRestfulGateway;
+import org.apache.flink.util.SerializedValue;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+/** Tests for {@link ClientCoordinationHandler}. */
+public class ClientCoordinationHandlerTest {
+ private static final JobID TEST_JOB_ID = new JobID();
+ private ClientCoordinationHandler clientCoordinationHandler;
+ private HandlerRequest<ClientCoordinationRequestBody> testRequest;
+
+ @BeforeEach
+ public void setUp() throws Exception {
+ final TestingRestfulGateway testingRestfulGateway =
+ new TestingRestfulGateway.Builder().build();
+
+ clientCoordinationHandler =
+ new ClientCoordinationHandler(
+ () ->
CompletableFuture.completedFuture(testingRestfulGateway),
+ Time.seconds(10),
+ Collections.emptyMap(),
+ ClientCoordinationHeaders.getInstance());
+
+ Map<String, String> pathParameters = new HashMap<>();
+ pathParameters.put("jobid", TEST_JOB_ID.toString());
+ pathParameters.put(
+ "operatorid", OperatorID.fromJobVertexID(new
JobVertexID()).toHexString());
+ testRequest =
+ HandlerRequest.resolveParametersAndCreate(
+ new ClientCoordinationRequestBody(
+ new SerializedValue<>(new
TestClientCoordinationRequest())),
+ new ClientCoordinationMessageParameters(),
+ pathParameters,
+ Collections.emptyMap(),
+ Collections.emptyList());
+ }
+
+ @Test
+ public void testGetResponseException() {
+ final TestingRestfulGateway testingRestfulGateway =
+ new TestingRestfulGateway.Builder()
+ .setDeliverCoordinationRequestToCoordinatorFunction(
+ (jobId, operatorId, request) -> {
+ throw new RuntimeException("Throw runtime
exception");
+ })
Review Comment:
return a failed future instead; you're testing behavior that doesnt occur at
runtime.
##########
flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/job/coordination/ClientCoordinationHandlerTest.java:
##########
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.rest.handler.job.coordination;
+
+import org.apache.flink.api.common.JobID;
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.runtime.jobgraph.JobVertexID;
+import org.apache.flink.runtime.jobgraph.OperatorID;
+import org.apache.flink.runtime.rest.handler.HandlerRequest;
+import org.apache.flink.runtime.rest.handler.RestHandlerException;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationHeaders;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationMessageParameters;
+import
org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationRequestBody;
+import org.apache.flink.runtime.webmonitor.TestingRestfulGateway;
+import org.apache.flink.util.SerializedValue;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+/** Tests for {@link ClientCoordinationHandler}. */
+public class ClientCoordinationHandlerTest {
+ private static final JobID TEST_JOB_ID = new JobID();
+ private ClientCoordinationHandler clientCoordinationHandler;
+ private HandlerRequest<ClientCoordinationRequestBody> testRequest;
+
+ @BeforeEach
+ public void setUp() throws Exception {
+ final TestingRestfulGateway testingRestfulGateway =
+ new TestingRestfulGateway.Builder().build();
+
+ clientCoordinationHandler =
+ new ClientCoordinationHandler(
+ () ->
CompletableFuture.completedFuture(testingRestfulGateway),
+ Time.seconds(10),
+ Collections.emptyMap(),
+ ClientCoordinationHeaders.getInstance());
+
+ Map<String, String> pathParameters = new HashMap<>();
+ pathParameters.put("jobid", TEST_JOB_ID.toString());
+ pathParameters.put(
+ "operatorid", OperatorID.fromJobVertexID(new
JobVertexID()).toHexString());
+ testRequest =
+ HandlerRequest.resolveParametersAndCreate(
+ new ClientCoordinationRequestBody(
+ new SerializedValue<>(new
TestClientCoordinationRequest())),
+ new ClientCoordinationMessageParameters(),
+ pathParameters,
+ Collections.emptyMap(),
+ Collections.emptyList());
+ }
+
+ @Test
+ public void testGetResponseException() {
+ final TestingRestfulGateway testingRestfulGateway =
+ new TestingRestfulGateway.Builder()
+ .setDeliverCoordinationRequestToCoordinatorFunction(
+ (jobId, operatorId, request) -> {
+ throw new RuntimeException("Throw runtime
exception");
+ })
+ .build();
+ assertFalse(
+ assertThrows(
+ RestHandlerException.class,
+ () ->
+
clientCoordinationHandler.handleRequest(
+ testRequest,
testingRestfulGateway))
+ .logException());
Review Comment:
Use `FlinkAssertions#assertThatFuture`
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