ndimiduk commented on a change in pull request #1415: HBASE-24051 Allows
indirect inheritance to CanUnbuffer
URL: https://github.com/apache/hbase/pull/1415#discussion_r405877469
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.java
##########
@@ -331,22 +332,18 @@ public void unbuffer() {
if (this.instanceOfCanUnbuffer == null) {
// To ensure we compute whether the stream is instance of CanUnbuffer
only once.
this.instanceOfCanUnbuffer = false;
- Class<?>[] streamInterfaces = streamClass.getInterfaces();
- for (Class c : streamInterfaces) {
- if
(c.getCanonicalName().toString().equals("org.apache.hadoop.fs.CanUnbuffer")) {
- try {
- this.unbuffer = streamClass.getDeclaredMethod("unbuffer");
- } catch (NoSuchMethodException | SecurityException e) {
- if (isLogTraceEnabled) {
- LOG.trace("Failed to find 'unbuffer' method in class " +
streamClass
- + " . So there may be a TCP socket connection "
- + "left open in CLOSE_WAIT state.", e);
- }
- return;
+ if(wrappedStream instanceof CanUnbuffer){
Review comment:
nit: whitespace.
```java
if (...) {
```
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