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 (...) { ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services