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Posted to dev@tomcat.apache.org by ma...@apache.org on 2017/07/30 19:18:27 UTC

svn commit: r1803456 - in /tomcat/trunk: java/org/apache/coyote/http2/Http2UpgradeHandler.java res/findbugs/filter-false-positives.xml

Author: markt
Date: Sun Jul 30 19:18:27 2017
New Revision: 1803456

URL: http://svn.apache.org/viewvc?rev=1803456&view=rev
Log:
Mark a scary but low confidence FindBugs issue as a false positive

Modified:
    tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
    tomcat/trunk/res/findbugs/filter-false-positives.xml

Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java?rev=1803456&r1=1803455&r2=1803456&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java (original)
+++ tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java Sun Jul 30 19:18:27 2017
@@ -1534,6 +1534,8 @@ class Http2UpgradeHandler extends Abstra
                     long roundTripTime = System.nanoTime() - pingRecord.getSentNanoTime();
                     roundTripTimes.add(Long.valueOf(roundTripTime));
                     while (roundTripTimes.size() > 3) {
+                        // Ignore the returned value as we just want to reduce
+                        // the queue to 3 entries to use for the rolling average.
                         roundTripTimes.poll();
                     }
                     if (log.isDebugEnabled()) {

Modified: tomcat/trunk/res/findbugs/filter-false-positives.xml
URL: http://svn.apache.org/viewvc/tomcat/trunk/res/findbugs/filter-false-positives.xml?rev=1803456&r1=1803455&r2=1803456&view=diff
==============================================================================
--- tomcat/trunk/res/findbugs/filter-false-positives.xml (original)
+++ tomcat/trunk/res/findbugs/filter-false-positives.xml Sun Jul 30 19:18:27 2017
@@ -488,6 +488,12 @@
     <Bug pattern="NN_NAKED_NOTIFY" />
   </Match>
   <Match>
+    <!-- Return value is intentionally ignored. -->
+    <Class name="org.apache.coyote.http2.Http2UpgradeHandler$PingManager" />
+    <Mehtod name="receivePing" />
+    <Bug pattern="RV_RETURN_VALUE_IGNORED" />
+  </Match>
+  <Match>
     <!-- Notify is correct. Condition changed outside of this method. -->
     <Class name="org.apache.coyote.http2.Stream" />
     <Mehtod name="incrementWindowSize" />



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