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https://issues.apache.org/jira/browse/FLINK-8746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374601#comment-16374601
]
ASF GitHub Bot commented on FLINK-8746:
---------------------------------------
Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5560#discussion_r170296322
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointTriggerException.java
---
@@ -0,0 +1,42 @@
+/*
+ * 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.checkpoint;
+
+import org.apache.flink.util.FlinkException;
+import org.apache.flink.util.Preconditions;
+
+/**
+ * Exceptions which indicate that a checkpoint triggering has failed.
+ *
+ */
+public class CheckpointTriggerException extends FlinkException {
+
+ private static final long serialVersionUID = -3330160816161901752L;
+
+ private final CheckpointDeclineReason checkpointDeclineReason;
+
+ public CheckpointTriggerException(String message,
CheckpointDeclineReason checkpointDeclineReason) {
+ super(message + " Decline reason: " + checkpointDeclineReason);
--- End diff --
Not super important because it is never logged but you could include the
enums `.message()` into the exception message.
> Support rescaling of jobs which are not fully running
> -----------------------------------------------------
>
> Key: FLINK-8746
> URL: https://issues.apache.org/jira/browse/FLINK-8746
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Major
> Labels: flip-6
> Fix For: 1.5.0
>
>
> We should support the rescaling of jobs which are only partially running.
> Currently, this fails because rescaling requires to take a savepoint. We can
> solve the problem by falling back to the latest rescaling savepoint.
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