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From "Flavio Paiva Junqueira (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-360) WeakHashMap in Bookie.java causes NPE
Date Thu, 02 Apr 2009 20:39:13 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695123#action_12695123
] 

Flavio Paiva Junqueira commented on ZOOKEEPER-360:
--------------------------------------------------

Following the link for test results, it shows that the following caused the error:

java.lang.RuntimeException: java.net.BindException: Address already in use
	at org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:310)
	at org.apache.zookeeper.test.LETest.testLE(LETest.java:103)
Caused by: java.net.BindException: Address already in use
	at java.net.PlainDatagramSocketImpl.bind0(Native Method)
	at java.net.PlainDatagramSocketImpl.bind(PlainDatagramSocketImpl.java:82)
	at java.net.DatagramSocket.bind(DatagramSocket.java:368)
	at java.net.DatagramSocket.<init>(DatagramSocket.java:210)
	at java.net.DatagramSocket.<init>(DatagramSocket.java:261)
	at java.net.DatagramSocket.<init>(DatagramSocket.java:234)
	at org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:306)

and this patch doesn't change anything on ZooKeeper either, so the changes here are not the
causing the failure.

> WeakHashMap in Bookie.java causes NPE
> -------------------------------------
>
>                 Key: ZOOKEEPER-360
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-360
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: contrib-bookkeeper
>    Affects Versions: 3.1.1
>            Reporter: Flavio Paiva Junqueira
>            Assignee: Flavio Paiva Junqueira
>             Fix For: 3.2.0
>
>         Attachments: ZOOKEEPER-BOOKKEEPER-360.patch
>
>
> We need a strong reference to prevent a key in masterKeys on Bookie.java to be garbage
collected.

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