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https://issues.apache.org/jira/browse/ZOOKEEPER-1364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746928#comment-15746928
 ] 

ASF GitHub Bot commented on ZOOKEEPER-1364:
-------------------------------------------

Github user eribeiro commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/123#discussion_r92309188
  
    --- Diff: 
src/java/test/org/apache/zookeeper/server/ServerCxnExceptionsTest.java ---
    @@ -0,0 +1,160 @@
    +/**
    + * 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>
    + * 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.jboss.byteman.contrib.bmunit.BMRule;
    +import org.jboss.byteman.contrib.bmunit.BMUnitRunner;
    +import org.junit.AfterClass;
    +import org.junit.BeforeClass;
    +import org.junit.Test;
    +import org.junit.runner.RunWith;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import static org.junit.Assert.fail;
    +
    +/**
    + * Unit tests to test different exceptions scenarios in sendResponse
    + */
    +@RunWith(BMUnitRunner.class)
    +public class ServerCxnExceptionsTest extends ClientBase {
    +
    +    private static final Logger LOG = 
LoggerFactory.getLogger(ServerCxnExceptionsTest.class);
    +    private static String previousFactory = null;
    +
    +    @BeforeClass
    +    public static void setUpBeforeClass() throws Exception {
    +        previousFactory = 
System.getProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN_FACTORY);
    +    }
    +
    +    @AfterClass
    +    public static void tearDownAfterClass() throws Exception {
    +        if (previousFactory != null) {
    +            
System.setProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN_FACTORY, 
previousFactory);
    +        }
    +    }
    +
    +    @Test(timeout = 60000, expected = 
KeeperException.ConnectionLossException.class)
    --- End diff --
    
    switch annotations


> Add orthogonal fault injection mechanism/framework
> --------------------------------------------------
>
>                 Key: ZOOKEEPER-1364
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1364
>             Project: ZooKeeper
>          Issue Type: Test
>          Components: tests
>            Reporter: Andrei Savu
>            Assignee: Andrei Savu
>
> Hadoop has a mechanism for doing fault injection (HDFS-435). I think it would 
> be useful if something similar would be available for ZooKeeper. 



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