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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 172977f  Ensure HTTP/1.1 processor is recycled after a direct h2c 
connection
172977f is described below

commit 172977f04a5215128f1e278a688983dcd230f399
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Jun 26 12:49:50 2020 +0100

    Ensure HTTP/1.1 processor is recycled after a direct h2c connection
---
 java/org/apache/coyote/AbstractProtocol.java | 9 ++++++---
 webapps/docs/changelog.xml                   | 4 ++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/java/org/apache/coyote/AbstractProtocol.java 
b/java/org/apache/coyote/AbstractProtocol.java
index cb326dc..5bc2212 100644
--- a/java/org/apache/coyote/AbstractProtocol.java
+++ b/java/org/apache/coyote/AbstractProtocol.java
@@ -876,8 +876,10 @@ public abstract class AbstractProtocol<S> implements 
ProtocolHandler,
                             // Assume direct HTTP/2 connection
                             UpgradeProtocol upgradeProtocol = 
getProtocol().getUpgradeProtocol("h2c");
                             if (upgradeProtocol != null) {
-                                processor = upgradeProtocol.getProcessor(
-                                        wrapper, getProtocol().getAdapter());
+                                // Release the Http11 processor to be re-used
+                                release(processor);
+                                // Create the upgrade processor
+                                processor = 
upgradeProtocol.getProcessor(wrapper, getProtocol().getAdapter());
                                 wrapper.unRead(leftOverInput);
                                 // Associate with the processor with the 
connection
                                 wrapper.setCurrentProcessor(processor);
@@ -887,7 +889,8 @@ public abstract class AbstractProtocol<S> implements 
ProtocolHandler,
                                         
"abstractConnectionHandler.negotiatedProcessor.fail",
                                         "h2c"));
                                 }
-                                return SocketState.CLOSED;
+                                // Exit loop and trigger appropriate clean-up
+                                state = SocketState.CLOSED;
                             }
                         } else {
                             HttpUpgradeHandler httpUpgradeHandler = 
upgradeToken.getHttpUpgradeHandler();
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index dca98a2..086e79f 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -107,6 +107,10 @@
       <fix>
         Reduce the memory footprint of closed HTTP/2 streams. (markt)
       </fix>
+      <fix>
+        Ensure that the HTTP/1.1 processor is correctly recycled when a direct
+        connection to h2c is made. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Other">


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