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From "yeshuangshuang (Jira)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2043) Too many connections,maxClientCnxns don't close
Date Tue, 17 Sep 2019 12:55:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931408#comment-16931408
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yeshuangshuang commented on ZOOKEEPER-2043:
-------------------------------------------

Do you have sovled this issues? I have meeted

> Too many connections,maxClientCnxns  don't close 
> -------------------------------------------------
>
>                 Key: ZOOKEEPER-2043
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2043
>             Project: ZooKeeper
>          Issue Type: Bug
>            Reporter: hikin
>            Priority: Major
>
> org.apache.zookeeper.server.NIOServerCnxn
> void doIO(SelectionKey k) throws InterruptedException {
>         try {
>             if (isSocketOpen() == false) {
>                 LOG.warn("trying to do i/o on a null socket for session:0x"
>                          + Long.toHexString(sessionId));
>                 return;
>             }
>  public void close() {
>         if (!factory.removeCnxn(this)) {
>             return;
>         }
> If the socket suddenly broken, do not have the right to clean up the connection, this
one line of code that caused a lot of links, eventually exceed the maximum maxClientCnxns,
cause the client end connections do not go up.



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