wenbingshen commented on code in PR #4021:
URL: https://github.com/apache/bookkeeper/pull/4021#discussion_r1281358080
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BufferedChannel.java:
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@@ -243,6 +243,11 @@ public long forceWrite(boolean forceMetadata) throws
IOException {
@Override
public synchronized int read(ByteBuf dest, long pos, int length) throws
IOException {
+ // protect negative position read
+ if (pos < 0) {
+ throw new IllegalArgumentException("Negative position pos:" + pos);
Review Comment:
`IllegalArgumentException` is an unchecked exception, can we use
`IOException` and catch it in the program?
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