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https://issues.apache.org/jira/browse/HDDS-1258?focusedWorklogId=264749&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-264749
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ASF GitHub Bot logged work on HDDS-1258:
----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jun/19 16:28
Start Date: 21/Jun/19 16:28
Worklog Time Spent: 10m
Work Description: jiwq commented on pull request #1001: HDDS-1258 - Fix
error propagation for SCM protocol
URL: https://github.com/apache/hadoop/pull/1001#discussion_r296305952
##########
File path:
hadoop-hdds/common/src/test/java/org/apache/hadoop/hdds/scm/exceptions/TestSCMExceptionResultCodes.java
##########
@@ -0,0 +1,51 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
Review comment:
```suggestion
*
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 264749)
Time Spent: 1h 10m (was: 1h)
> Fix error propagation for SCM protocol
> --------------------------------------
>
> Key: HDDS-1258
> URL: https://issues.apache.org/jira/browse/HDDS-1258
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Elek, Marton
> Assignee: Stephen O'Donnell
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> HDDS-1068 fixed the error propagation between the OM client and OM server.
> By default the Server.java transforms all the IOExceptions to one string
> (message + stack trace) and this is returned to the client.
> But for business exception (eg. volume not found, chill mode is active, etc.)
> this is not what we need.
> In the OM side we fixed this behaviour. In the ServerSideTranslator classes
> we catch (server) the business (OMException) exceptions and serialize them to
> the response object.
> The exception (and the status code) is stored in message/status field of the
> OMResponse (hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto)
> Here I propose to do the same for the ScmBlockLocationProtocol.proto.
> Unfortunately there is no common parent object (like OMRequest) in this
> protocol, but we can easily add one as only the Serverside/Clientside
> translator should be changed for that.
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