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https://issues.apache.org/jira/browse/HADOOP-19951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18101562#comment-18101562
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ASF GitHub Bot commented on HADOOP-19951:
-----------------------------------------
pan3793 commented on code in PR #8654:
URL: https://github.com/apache/hadoop/pull/8654#discussion_r3709091131
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/HadoopJsonUtils.java:
##########
@@ -0,0 +1,91 @@
+/*
+ * 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.util;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+
+/**
+ * Simple JSON utility to replace usage of the removed
+ * {@code org.eclipse.jetty.util.ajax.JSON} class.
+ * Mainly used in tests and is not a public API.
+ *
+ * Uses Jackson {@link ObjectMapper} under the hood.
+ */
[email protected]
[email protected]
+public final class HadoopJsonUtils {
Review Comment:
can we just call it `JsonUtil` or `JsonUtils` ? - there are no existing
classes under this folder that start with `Hadoop*`
> Drop use of jetty-util-ajax and use jackson instead
> ---------------------------------------------------
>
> Key: HADOOP-19951
> URL: https://issues.apache.org/jira/browse/HADOOP-19951
> Project: Hadoop Common
> Issue Type: Task
> Reporter: PJ Fanning
> Priority: Major
> Labels: pull-request-available
>
> Hadoop uses jetty-util-ajax in a few modules to read and write JSON.
> This lib is abandoned and it is easy to switch to Jackson.
> This is a part of HADOOP-19912 that can be split out and it doesn't cause the
> same issues with worrying about jar compatibilities - it actually simplifies
> the build by removing a dependency.
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