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markt pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/9.0.x by this push:
     new c551ecaa1b Fix BZ 66842 - include DATA frames in overhead count with 
async
c551ecaa1b is described below

commit c551ecaa1ba4ffe50a67009a9c94efb03439ae8b
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Sun Aug 6 12:44:07 2023 +0100

    Fix BZ 66842 - include DATA frames in overhead count with async
    
    https://bz.apache.org/bugzilla/show_bug.cgi?id=66842
---
 java/org/apache/coyote/http2/Http2AsyncUpgradeHandler.java | 3 +++
 java/org/apache/coyote/http2/Http2UpgradeHandler.java      | 2 +-
 webapps/docs/changelog.xml                                 | 5 +++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/java/org/apache/coyote/http2/Http2AsyncUpgradeHandler.java 
b/java/org/apache/coyote/http2/Http2AsyncUpgradeHandler.java
index d9f69464f6..5c5c494357 100644
--- a/java/org/apache/coyote/http2/Http2AsyncUpgradeHandler.java
+++ b/java/org/apache/coyote/http2/Http2AsyncUpgradeHandler.java
@@ -227,6 +227,9 @@ public class Http2AsyncUpgradeHandler extends 
Http2UpgradeHandler {
             log.debug(sm.getString("upgradeHandler.writeBody", connectionId, 
stream.getIdAsString(),
                     Integer.toString(len), Boolean.valueOf(finished)));
         }
+
+        reduceOverheadCount(FrameType.DATA);
+
         // Need to check this now since sending end of stream will change this.
         boolean writable = stream.canWrite();
         byte[] header = new byte[9];
diff --git a/java/org/apache/coyote/http2/Http2UpgradeHandler.java 
b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
index 4975e8f82d..d8e04d04da 100644
--- a/java/org/apache/coyote/http2/Http2UpgradeHandler.java
+++ b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
@@ -1375,7 +1375,7 @@ class Http2UpgradeHandler extends AbstractStream 
implements InternalHttpUpgradeH
     }
 
 
-    private void reduceOverheadCount(FrameType frameType) {
+    void reduceOverheadCount(FrameType frameType) {
         // A non-overhead frame reduces the overhead count by
         // Http2Protocol.DEFAULT_OVERHEAD_REDUCTION_FACTOR. A simple browser
         // request is likely to have one non-overhead frame (HEADERS) and one
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index b30faa3777..abb82adbaa 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -165,6 +165,11 @@
         called after an error during asynchronous processing with HTTP/2.
         (markt)
       </fix>
+      <fix>
+        <bug>66842</bug>: When using asynchronous I/O (the default for NIO and
+        NIO2), include DATA frames when calculating the HTTP/2 overhead count 
to
+        ensure that connections are not prematurely terminated. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="WebSocket">


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