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https://issues.apache.org/jira/browse/OAK-7761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16618646#comment-16618646
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Michael Dürig commented on OAK-7761:
------------------------------------
Proposed fix:
[https://github.com/mduerig/jackrabbit-oak/commit/d9fb559a965ff6f038134897ebc642b9f4ff67e5].
Note, this fix depends on the {{IOUtils.readFully}} method introduced with
OAK-7760.
[~frm], [~ahanikel] could you have a look?
> SegmentTarWriter#readSegment does not check the return value of
> FileChannel#read
> --------------------------------------------------------------------------------
>
> Key: OAK-7761
> URL: https://issues.apache.org/jira/browse/OAK-7761
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segment-tar
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Priority: Major
> Fix For: 1.10
>
>
> We need to check the return value of {{FileChannel#read}} as that method
> might read fewer bytes than requested. The corresponding Javadoc is (hidden)
> at {{ReadableByteChannel#read}}: "A read operation might not fill the buffer,
> and in fact it might not read any bytes at all"
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