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https://issues.apache.org/jira/browse/HADOOP-18816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17745002#comment-17745002
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ASF GitHub Bot commented on HADOOP-18816:
-----------------------------------------
symious commented on code in PR #5863:
URL: https://github.com/apache/hadoop/pull/5863#discussion_r1269245031
##########
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestReconstructableException.java:
##########
@@ -0,0 +1,59 @@
+/*
+ * 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.hadoop.ipc;
+
+import java.io.IOException;
+
+/**
+ * Test class of ReconstructableException.
+ */
+public class TestReconstructableException extends IOException
Review Comment:
Updated the class name, please have a look.
> Rebuild Exceptions on Client side to get genuine exceptions
> -----------------------------------------------------------
>
> Key: HADOOP-18816
> URL: https://issues.apache.org/jira/browse/HADOOP-18816
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Janus Chow
> Assignee: Janus Chow
> Priority: Major
> Labels: pull-request-available
>
> In current's RPC design, if Server sends an exception back, Client can only
> rebuild the exception according to the original exception's error message, if
> the exceptions has some fields containing important information, they will be
> discarded since we can not rebuild them based on message string easily.
> This ticket is to introduce a new interface for Exceptions which supports
> reconstructing. If Clients want to rebuild the exception, they can just
> implement the methods and the reconstruction will be done automatically.
> The interface uses String[] as parameter for simplicity. I thought of using
> Protobuf to store all the exceptions or fields, but the generacity can not be
> perfectlly met. So we need Client to support it by accepting "String[]" and
> transform the String to it's original type.
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