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https://issues.apache.org/jira/browse/FLINK-6043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15938843#comment-15938843
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ASF GitHub Bot commented on FLINK-6043:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/3583#discussion_r107732859
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ErrorInfo.java
---
@@ -0,0 +1,55 @@
+/*
+ * 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;
+
+/**
+ * Simple container to hold an exception and the corresponding timestamp.
+ */
+class ErrorInfo {
+ private volatile Throwable exception;
+ private volatile long timestamp;
+
+ /**
+ * Sets the exception and corresponding timestamp.
+ *
+ * @param exception Exception to set
+ * @param timestamp Timestamp when exception occurred
+ */
+ void setExceptionAndTimestamp(Throwable exception, long timestamp) {
+ this.exception = exception;
+ this.timestamp = timestamp;
--- End diff --
What if we don't allow the user to specify a timestamp but automatically
call `System.currentTimeMillis`? That way we wouldn't have to wire the
`causeTimestamp` through all the different functions in the `ExecutionGraph`.
> 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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