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https://issues.apache.org/jira/browse/HDFS-15042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17744708#comment-17744708
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ASF GitHub Bot commented on HDFS-15042:
---------------------------------------
steveloughran commented on code in PR #1747:
URL: https://github.com/apache/hadoop/pull/1747#discussion_r1268334625
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java:
##########
@@ -1684,6 +1685,9 @@ public int read(long position, final ByteBuffer buf)
throws IOException {
@Override
public void readFully(long position, final ByteBuffer buf)
throws IOException {
+ if (position < 0) {
+ throw new EOFException(NEGATIVE_POSITION_READ);
+ }
Review Comment:
ok
> Add more tests for ByteBufferPositionedReadable
> ------------------------------------------------
>
> Key: HDFS-15042
> URL: https://issues.apache.org/jira/browse/HDFS-15042
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: fs, test
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> There's a few corner cases of ByteBufferPositionedReadable which need to be
> tested, mainly illegal read positions. Add them
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