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https://issues.apache.org/jira/browse/BOOKKEEPER-958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15650889#comment-15650889
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Hudson commented on BOOKKEEPER-958:
-----------------------------------
SUCCESS: Integrated in Jenkins build bookkeeper-master #1560 (See
[https://builds.apache.org/job/bookkeeper-master/1560/])
BOOKKEEPER-958: Fix for ZeroBuffer Bug (sijie: rev
026ef10e1e9706ead4f1bc6763ded2e28c91480d)
* (edit)
bookkeeper-server/src/main/java/org/apache/bookkeeper/util/ZeroBuffer.java
> ZeroBuffer readOnlyBuffer returns ByteBuffer with 0 remaining bytes for
> length > 64k
> ------------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-958
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-958
> Project: Bookkeeper
> Issue Type: Bug
> Reporter: Charan Reddy Guttapalem
> Assignee: Charan Reddy Guttapalem
> Priority: Trivial
> Fix For: 4.5.0
>
>
> in ZeroBuffer
> here, if the length is > zeroBytes.length (64K), then it is returning zero
> ByteBuffer but its position is set to limit and hence its remaining will be
> 0, which is not expected, but if it is < 64k then its position is set to 0
> and the remaining will be length.
> Looking at the call hierearchy, it seems there are no callers for this
> function, but since this is utility class it needs to be corrected.
> public static ByteBuffer readOnlyBuffer(int length) {
> ByteBuffer buffer;
> if (length <= zeroBytes.length) {
> buffer = ByteBuffer.wrap(zeroBytes, 0, length);
> }
> else {
> buffer = ByteBuffer.allocate(length);
> put(buffer);
> }
> return buffer.asReadOnlyBuffer();
> }
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