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https://issues.apache.org/jira/browse/HDFS-13232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393995#comment-16393995
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Hudson commented on HDFS-13232:
-------------------------------
FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #13808 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13808/])
HDFS-13232. RBF: ConnectionPool should return first usable connection.
(inigoiri: rev 8133cd5305d7913453abb2d48da12f672c0ce334)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/federation/router/ConnectionPool.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestConnectionManager.java
> RBF: ConnectionPool should return first usable connection
> ---------------------------------------------------------
>
> Key: HDFS-13232
> URL: https://issues.apache.org/jira/browse/HDFS-13232
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Wei Yan
> Assignee: Ekanth S
> Priority: Minor
> Fix For: 3.1.0, 2.10.0, 2.9.1, 3.0.2, 3.2.0
>
> Attachments: HDFS-13232.001.patch, HDFS-13232.002.patch,
> HDFS-13232.003.patch
>
>
> In current ConnectionPool.getConnection(), it will return the first active
> connection:
> {code:java}
> for (int i=0; i<size; i++) {
> int index = (threadIndex + i) % size;
> conn = tmpConnections.get(index);
> if (conn != null && !conn.isUsable()) {
> return conn;
> }
> }
> {code}
> Here "!conn.isUsable()" should be "conn.isUsable()".
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