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https://issues.apache.org/jira/browse/ZOOKEEPER-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746743#comment-15746743
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ASF GitHub Bot commented on ZOOKEEPER-2549:
-------------------------------------------
Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/99#discussion_r92266393
--- Diff:
src/java/test/org/apache/zookeeper/server/ServerCxnExceptionsTest.java ---
@@ -0,0 +1,170 @@
+/**
+ * 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.zookeeper.server;
+
+import org.apache.zookeeper.CreateMode;
+import org.apache.zookeeper.KeeperException;
+import org.apache.zookeeper.ZooDefs;
+import org.apache.zookeeper.ZooKeeper;
+import org.apache.zookeeper.data.Stat;
+import org.apache.zookeeper.test.ClientBase;
+import org.junit.AfterClass;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.fail;
+
+/**
+ * Unit tests to test different exceptions scenarious in sendResponse
+ */
+public class ServerCxnExceptionsTest extends ClientBase {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(ServerCxnExceptionsTest.class);
+
+ private String exceptionType;
--- End diff --
``exceptionType`` is never used!
> As NettyServerCnxn.sendResponse() allows all the exception to bubble up it
> can stop main ZK requests processing thread
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2549
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2549
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.5.1
> Reporter: Yuliya Feldman
> Assignee: Yuliya Feldman
> Attachments: ZOOKEEPER-2549-2.patch, ZOOKEEPER-2549-3.patch,
> ZOOKEEPER-2549-3.patch, ZOOKEEPER-2549-4.patch, ZOOKEEPER-2549-5.patch,
> ZOOKEEPER-2549.patch, ZOOKEEPER-2549.patch, zookeeper-2549-1.patch
>
>
> As NettyServerCnxn.sendResponse() allows all the exception to bubble up it
> can stop main ZK requests processing thread and make Zookeeper server look
> like it is hanging, while it just can not process any request anymore.
> Idea is to catch all the exceptions in NettyServerCnxn.sendResponse() ,
> convert them to IOException and allow it propagating up
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