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https://issues.apache.org/jira/browse/FLINK-6043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16040782#comment-16040782
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ASF GitHub Bot commented on FLINK-6043:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3583#discussion_r120610177
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ErrorInfo.java
---
@@ -0,0 +1,84 @@
+/*
+ * 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.executiongraph;
+
+import org.apache.flink.util.ExceptionUtils;
+import org.apache.flink.util.Preconditions;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+/**
+ * Simple container to hold an exception and the corresponding timestamp.
+ */
+public class ErrorInfo implements Serializable {
+
+ private static final long serialVersionUID = -6138942031953594202L;
+
+ private final transient Throwable exception;
+ private final long timestamp;
+
+ private volatile String exceptionAsString;
+
+ public ErrorInfo(Throwable exception, long timestamp) {
+ Preconditions.checkNotNull(exception);
+ Preconditions.checkArgument(timestamp > 0);
+
+ this.exception = exception;
+ this.timestamp = timestamp;
+ }
+
+ /**
+ * Returns the contained exception.
+ *
+ * @return contained exception, or null if no exception was set yet
--- End diff --
good idea.
> Display time when exceptions/root cause of failure happened
> -----------------------------------------------------------
>
> Key: FLINK-6043
> URL: https://issues.apache.org/jira/browse/FLINK-6043
> Project: Flink
> Issue Type: Improvement
> Components: Webfrontend
> Affects Versions: 1.3.0
> Reporter: Till Rohrmann
> Assignee: Chesnay Schepler
> Priority: Minor
>
> In order to better understand the behaviour of Flink jobs, it would be nice
> to add timestamp information to exception causing the job to restart or to
> fail. This information could then be displayed in the web UI making it easier
> for the user to understand what happened when.
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