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ASF GitHub Bot commented on ZOOKEEPER-2784: ------------------------------------------- Github user eribeiro commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/257#discussion_r117400348 --- Diff: src/java/test/org/apache/zookeeper/test/CnxManagerTest.java --- @@ -18,36 +18,32 @@ package org.apache.zookeeper.test; -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.DataInputStream; -import java.io.DataOutputStream; -import java.io.File; -import java.net.InetSocketAddress; -import java.nio.ByteBuffer; -import java.nio.channels.SocketChannel; -import java.util.ArrayList; -import java.util.Date; -import java.util.HashMap; -import java.util.Random; -import java.util.concurrent.TimeUnit; -import java.net.Socket; - -import org.apache.zookeeper.common.Time; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; import org.apache.zookeeper.PortAssignment; import org.apache.zookeeper.ZKTestCase; +import org.apache.zookeeper.common.Time; import org.apache.zookeeper.server.quorum.QuorumCnxManager; -import org.apache.zookeeper.server.quorum.QuorumCnxManager.Message; import org.apache.zookeeper.server.quorum.QuorumCnxManager.InitialMessage; +import org.apache.zookeeper.server.quorum.QuorumCnxManager.Message; import org.apache.zookeeper.server.quorum.QuorumPeer; import org.apache.zookeeper.server.quorum.QuorumPeer.LearnerType; import org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer; import org.apache.zookeeper.server.quorum.QuorumPeer.ServerState; import org.junit.Assert; import org.junit.Before; import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.*; --- End diff -- @asdf2014 FYI, ZK codebase gives preference to explicit imports instead of using wildcards. > Add some limitations on code level for `SID` to avoid configuration problem > --------------------------------------------------------------------------- > > Key: ZOOKEEPER-2784 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2784 > Project: ZooKeeper > Issue Type: Improvement > Components: quorum > Affects Versions: 3.5.2 > Reporter: Benedict Jin > Fix For: 3.6.0 > > Original Estimate: 168h > Remaining Estimate: 168h > > As so far, `QuorumCnxManager#receiveConnection` cannot find out the same > `SID` problem, then the Zookeeper cluster will start successfully. But the > cluster is not health, and it will throw some problem like `not > synchronized`. So, i thought we should add some limitations on code level for > `SID` to find those configuration problem more early. -- This message was sent by Atlassian JIRA (v6.3.15#6346)