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Posted to commits@flink.apache.org by ch...@apache.org on 2017/10/18 10:51:19 UTC
[2/4] flink git commit: [FLINK-7703] Port JobExceptionsHandler to new
REST endpoint
[FLINK-7703] Port JobExceptionsHandler to new REST endpoint
This closes #4834.
Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/cb528a11
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/cb528a11
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/cb528a11
Branch: refs/heads/master
Commit: cb528a114b4f4bac04620f0dd6aeead773de0d0e
Parents: e14f2db
Author: zjureel <zj...@gmail.com>
Authored: Wed Oct 18 11:39:49 2017 +0800
Committer: zentol <ch...@apache.org>
Committed: Wed Oct 18 12:51:00 2017 +0200
----------------------------------------------------------------------
.../dispatcher/DispatcherRestEndpoint.java | 11 ++
.../rest/handler/job/JobExceptionsHandler.java | 100 +++++++++++++
.../rest/messages/JobExceptionsHeaders.java | 70 +++++++++
.../rest/messages/JobExceptionsInfo.java | 141 +++++++++++++++++++
.../messages/JobExceptionsInfoNoRootTest.java | 52 +++++++
.../rest/messages/JobExceptionsInfoTest.java | 52 +++++++
6 files changed, 426 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherRestEndpoint.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherRestEndpoint.java b/flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherRestEndpoint.java
index c23bb98..ac4897b 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherRestEndpoint.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherRestEndpoint.java
@@ -29,6 +29,7 @@ import org.apache.flink.runtime.rest.handler.RestHandlerConfiguration;
import org.apache.flink.runtime.rest.handler.RestHandlerSpecification;
import org.apache.flink.runtime.rest.handler.job.BlobServerPortHandler;
import org.apache.flink.runtime.rest.handler.job.JobConfigHandler;
+import org.apache.flink.runtime.rest.handler.job.JobExceptionsHandler;
import org.apache.flink.runtime.rest.handler.job.JobPlanHandler;
import org.apache.flink.runtime.rest.handler.job.JobSubmitHandler;
import org.apache.flink.runtime.rest.handler.job.JobTerminationHandler;
@@ -53,6 +54,7 @@ import org.apache.flink.runtime.rest.messages.DashboardConfiguration;
import org.apache.flink.runtime.rest.messages.DashboardConfigurationHeaders;
import org.apache.flink.runtime.rest.messages.EmptyMessageParameters;
import org.apache.flink.runtime.rest.messages.JobConfigHeaders;
+import org.apache.flink.runtime.rest.messages.JobExceptionsHeaders;
import org.apache.flink.runtime.rest.messages.JobPlanHeaders;
import org.apache.flink.runtime.rest.messages.JobTerminationHeaders;
import org.apache.flink.runtime.rest.messages.checkpoints.CheckpointConfigHeaders;
@@ -207,6 +209,14 @@ public class DispatcherRestEndpoint extends RestServerEndpoint {
executor,
checkpointStatsCache);
+ JobExceptionsHandler jobExceptionsHandler = new JobExceptionsHandler(
+ restAddressFuture,
+ leaderRetriever,
+ timeout,
+ JobExceptionsHeaders.getInstance(),
+ executionGraphCache,
+ executor);
+
final File tmpDir = restConfiguration.getTmpDir();
Optional<StaticFileServerHandler<DispatcherGateway>> optWebContent;
@@ -233,6 +243,7 @@ public class DispatcherRestEndpoint extends RestServerEndpoint {
handlers.add(Tuple2.of(CheckpointStatisticDetailsHeaders.getInstance(), checkpointStatisticDetailsHandler));
handlers.add(Tuple2.of(JobPlanHeaders.getInstance(), jobPlanHandler));
handlers.add(Tuple2.of(TaskCheckpointStatisticsHeaders.getInstance(), taskCheckpointStatisticDetailsHandler));
+ handlers.add(Tuple2.of(JobExceptionsHeaders.getInstance(), jobExceptionsHandler));
BlobServerPortHandler blobServerPortHandler = new BlobServerPortHandler(restAddressFuture, leaderRetriever, timeout);
handlers.add(Tuple2.of(blobServerPortHandler.getMessageHeaders(), blobServerPortHandler));
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java
new file mode 100644
index 0000000..feabbea
--- /dev/null
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java
@@ -0,0 +1,100 @@
+/*
+ * 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;
+
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.runtime.execution.ExecutionState;
+import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
+import org.apache.flink.runtime.executiongraph.AccessExecutionVertex;
+import org.apache.flink.runtime.executiongraph.ErrorInfo;
+import org.apache.flink.runtime.rest.handler.HandlerRequest;
+import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
+import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
+import org.apache.flink.runtime.rest.messages.JobExceptionsInfo;
+import org.apache.flink.runtime.rest.messages.JobMessageParameters;
+import org.apache.flink.runtime.rest.messages.MessageHeaders;
+import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
+import org.apache.flink.runtime.webmonitor.RestfulGateway;
+import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
+import org.apache.flink.util.ExceptionUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+
+/**
+ * Handler serving the job exceptions.
+ */
+public class JobExceptionsHandler extends AbstractExecutionGraphHandler<JobExceptionsInfo, JobMessageParameters> {
+
+ static final int MAX_NUMBER_EXCEPTION_TO_REPORT = 20;
+
+ public JobExceptionsHandler(
+ CompletableFuture<String> localRestAddress,
+ GatewayRetriever<? extends RestfulGateway> leaderRetriever,
+ Time timeout,
+ MessageHeaders<EmptyRequestBody, JobExceptionsInfo, JobMessageParameters> messageHeaders,
+ ExecutionGraphCache executionGraphCache,
+ Executor executor) {
+
+ super(
+ localRestAddress,
+ leaderRetriever,
+ timeout,
+ messageHeaders,
+ executionGraphCache,
+ executor);
+ }
+
+ @Override
+ protected JobExceptionsInfo handleRequest(HandlerRequest<EmptyRequestBody, JobMessageParameters> request, AccessExecutionGraph executionGraph) {
+ ErrorInfo rootException = executionGraph.getFailureCause();
+ String rootExceptionMessage = null;
+ Long rootTimestamp = null;
+ if (rootException != null && !rootException.getExceptionAsString().equals(ExceptionUtils.STRINGIFIED_NULL_EXCEPTION)) {
+ rootExceptionMessage = rootException.getExceptionAsString();
+ rootTimestamp = rootException.getTimestamp();
+ }
+
+ List<JobExceptionsInfo.ExecutionExceptionInfo> taskExceptionList = new ArrayList<>();
+ boolean truncated = false;
+ for (AccessExecutionVertex task : executionGraph.getAllExecutionVertices()) {
+ String t = task.getFailureCauseAsString();
+ if (t != null && !t.equals(ExceptionUtils.STRINGIFIED_NULL_EXCEPTION)) {
+ if (taskExceptionList.size() >= MAX_NUMBER_EXCEPTION_TO_REPORT) {
+ truncated = true;
+ break;
+ }
+
+ TaskManagerLocation location = task.getCurrentAssignedResourceLocation();
+ String locationString = location != null ?
+ location.getFQDNHostname() + ':' + location.dataPort() : "(unassigned)";
+ long timestamp = task.getStateTimestamp(ExecutionState.FAILED);
+ taskExceptionList.add(new JobExceptionsInfo.ExecutionExceptionInfo(
+ t,
+ task.getTaskNameWithSubtaskIndex(),
+ locationString,
+ timestamp == 0 ? -1 : timestamp));
+ }
+ }
+
+ return new JobExceptionsInfo(rootExceptionMessage, rootTimestamp, taskExceptionList, truncated);
+ }
+}
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsHeaders.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsHeaders.java b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsHeaders.java
new file mode 100644
index 0000000..7b924b3
--- /dev/null
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsHeaders.java
@@ -0,0 +1,70 @@
+/*
+ * 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.messages;
+
+import org.apache.flink.runtime.rest.HttpMethodWrapper;
+import org.apache.flink.runtime.rest.handler.job.JobExceptionsHandler;
+
+import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
+
+/**
+ * Message headers for the {@link JobExceptionsHandler}.
+ */
+public class JobExceptionsHeaders implements MessageHeaders<EmptyRequestBody, JobExceptionsInfo, JobMessageParameters> {
+
+ private static final JobExceptionsHeaders INSTANCE = new JobExceptionsHeaders();
+
+ public static final String URL = "/jobs/:jobid/exceptions";
+
+ private JobExceptionsHeaders() {}
+
+ @Override
+ public Class<EmptyRequestBody> getRequestClass() {
+ return EmptyRequestBody.class;
+ }
+
+ @Override
+ public Class<JobExceptionsInfo> getResponseClass() {
+ return JobExceptionsInfo.class;
+ }
+
+ @Override
+ public HttpResponseStatus getResponseStatusCode() {
+ return HttpResponseStatus.OK;
+ }
+
+ @Override
+ public JobMessageParameters getUnresolvedMessageParameters() {
+ return new JobMessageParameters();
+ }
+
+ @Override
+ public HttpMethodWrapper getHttpMethod() {
+ return HttpMethodWrapper.GET;
+ }
+
+ @Override
+ public String getTargetRestEndpointURL() {
+ return URL;
+ }
+
+ public static JobExceptionsHeaders getInstance() {
+ return INSTANCE;
+ }
+}
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfo.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfo.java b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfo.java
new file mode 100644
index 0000000..83b1134
--- /dev/null
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfo.java
@@ -0,0 +1,141 @@
+/*
+ * 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.messages;
+
+import org.apache.flink.runtime.rest.handler.job.JobExceptionsHandler;
+import org.apache.flink.util.Preconditions;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Response type of the {@link JobExceptionsHandler}.
+ */
+public class JobExceptionsInfo implements ResponseBody {
+
+ public static final String FIELD_NAME_ROOT_EXCEPTION = "root-exception";
+ public static final String FIELD_NAME_TIMESTAMP = "timestamp";
+ public static final String FIELD_NAME_ALL_EXCEPTIONS = "all-exceptions";
+ public static final String FIELD_NAME_TRUNCATED = "truncated";
+
+ @JsonProperty(FIELD_NAME_ROOT_EXCEPTION)
+ private final String rootException;
+
+ @JsonProperty(FIELD_NAME_TIMESTAMP)
+ private final Long rootTimestamp;
+
+ @JsonProperty(FIELD_NAME_ALL_EXCEPTIONS)
+ private final List<ExecutionExceptionInfo> allExceptions;
+
+ @JsonProperty(FIELD_NAME_TRUNCATED)
+ private final boolean truncated;
+
+ @JsonCreator
+ public JobExceptionsInfo(
+ @JsonProperty(FIELD_NAME_ROOT_EXCEPTION) String rootException,
+ @JsonProperty(FIELD_NAME_TIMESTAMP) Long rootTimestamp,
+ @JsonProperty(FIELD_NAME_ALL_EXCEPTIONS) List<ExecutionExceptionInfo> allExceptions,
+ @JsonProperty(FIELD_NAME_TRUNCATED) boolean truncated) {
+ this.rootException = rootException;
+ this.rootTimestamp = rootTimestamp;
+ this.allExceptions = Preconditions.checkNotNull(allExceptions);
+ this.truncated = truncated;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ JobExceptionsInfo that = (JobExceptionsInfo) o;
+ return truncated == that.truncated &&
+ Objects.equals(rootException, that.rootException) &&
+ Objects.equals(rootTimestamp, that.rootTimestamp) &&
+ Objects.equals(allExceptions, that.allExceptions);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(rootException, rootTimestamp, allExceptions, truncated);
+ }
+
+ //---------------------------------------------------------------------------------
+ // Static helper classes
+ //---------------------------------------------------------------------------------
+
+ /**
+ * Nested class to encapsulate the task execution exception.
+ */
+ public static final class ExecutionExceptionInfo {
+ public static final String FIELD_NAME_EXCEPTION = "exception";
+ public static final String FIELD_NAME_TASK = "task";
+ public static final String FIELD_NAME_LOCATION = "location";
+ public static final String FIELD_NAME_TIMESTAMP = "timestamp";
+
+ @JsonProperty(FIELD_NAME_EXCEPTION)
+ private final String exception;
+
+ @JsonProperty(FIELD_NAME_TASK)
+ private final String task;
+
+ @JsonProperty(FIELD_NAME_LOCATION)
+ private final String location;
+
+ @JsonProperty(FIELD_NAME_TIMESTAMP)
+ private final long timestamp;
+
+ @JsonCreator
+ public ExecutionExceptionInfo(
+ @JsonProperty(FIELD_NAME_EXCEPTION) String exception,
+ @JsonProperty(FIELD_NAME_TASK) String task,
+ @JsonProperty(FIELD_NAME_LOCATION) String location,
+ @JsonProperty(FIELD_NAME_TIMESTAMP) long timestamp) {
+ this.exception = Preconditions.checkNotNull(exception);
+ this.task = Preconditions.checkNotNull(task);
+ this.location = Preconditions.checkNotNull(location);
+ this.timestamp = timestamp;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ JobExceptionsInfo.ExecutionExceptionInfo that = (JobExceptionsInfo.ExecutionExceptionInfo) o;
+ return timestamp == that.timestamp &&
+ Objects.equals(exception, that.exception) &&
+ Objects.equals(task, that.task) &&
+ Objects.equals(location, that.location);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(timestamp, exception, task, location);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoNoRootTest.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoNoRootTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoNoRootTest.java
new file mode 100644
index 0000000..a3c23f0
--- /dev/null
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoNoRootTest.java
@@ -0,0 +1,52 @@
+/*
+ * 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.messages;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Tests that the {@link JobExceptionsInfo} with no root exception can be marshalled and unmarshalled.
+ */
+public class JobExceptionsInfoNoRootTest extends RestResponseMarshallingTestBase<JobExceptionsInfo> {
+ @Override
+ protected Class<JobExceptionsInfo> getTestResponseClass() {
+ return JobExceptionsInfo.class;
+ }
+
+ @Override
+ protected JobExceptionsInfo getTestResponseInstance() throws Exception {
+ List<JobExceptionsInfo.ExecutionExceptionInfo> executionTaskExceptionInfoList = new ArrayList<>();
+ executionTaskExceptionInfoList.add(new JobExceptionsInfo.ExecutionExceptionInfo(
+ "exception1",
+ "task1",
+ "location1",
+ System.currentTimeMillis()));
+ executionTaskExceptionInfoList.add(new JobExceptionsInfo.ExecutionExceptionInfo(
+ "exception2",
+ "task2",
+ "location2",
+ System.currentTimeMillis()));
+ return new JobExceptionsInfo(
+ null,
+ null,
+ executionTaskExceptionInfoList,
+ false);
+ }
+}
http://git-wip-us.apache.org/repos/asf/flink/blob/cb528a11/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoTest.java
----------------------------------------------------------------------
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoTest.java
new file mode 100644
index 0000000..b8f3baa
--- /dev/null
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoTest.java
@@ -0,0 +1,52 @@
+/*
+ * 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.messages;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Tests that the {@link JobExceptionsInfo} can be marshalled and unmarshalled.
+ */
+public class JobExceptionsInfoTest extends RestResponseMarshallingTestBase<JobExceptionsInfo> {
+ @Override
+ protected Class<JobExceptionsInfo> getTestResponseClass() {
+ return JobExceptionsInfo.class;
+ }
+
+ @Override
+ protected JobExceptionsInfo getTestResponseInstance() throws Exception {
+ List<JobExceptionsInfo.ExecutionExceptionInfo> executionTaskExceptionInfoList = new ArrayList<>();
+ executionTaskExceptionInfoList.add(new JobExceptionsInfo.ExecutionExceptionInfo(
+ "exception1",
+ "task1",
+ "location1",
+ System.currentTimeMillis()));
+ executionTaskExceptionInfoList.add(new JobExceptionsInfo.ExecutionExceptionInfo(
+ "exception2",
+ "task2",
+ "location2",
+ System.currentTimeMillis()));
+ return new JobExceptionsInfo(
+ "root exception",
+ System.currentTimeMillis(),
+ executionTaskExceptionInfoList,
+ false);
+ }
+}