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Posted to dev@tomcat.apache.org by ma...@apache.org on 2023/06/07 12:51:08 UTC

[tomcat] branch 10.1.x updated: Improve error handling

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 10.1.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/10.1.x by this push:
     new e9b5ebf1d5 Improve error handling
e9b5ebf1d5 is described below

commit e9b5ebf1d5ac3c1af01b92c5e45e8463446d636a
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Wed Jun 7 13:50:25 2023 +0100

    Improve error handling
    
    Should address recent intermittent CI failures for some WebSocket tests
    (at least it does on my laptop that exhibited the same failures)
---
 java/org/apache/tomcat/websocket/server/WsFrameServer.java | 3 ++-
 webapps/docs/changelog.xml                                 | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/java/org/apache/tomcat/websocket/server/WsFrameServer.java b/java/org/apache/tomcat/websocket/server/WsFrameServer.java
index fd4da3d44a..c0eb9e8b62 100644
--- a/java/org/apache/tomcat/websocket/server/WsFrameServer.java
+++ b/java/org/apache/tomcat/websocket/server/WsFrameServer.java
@@ -73,7 +73,8 @@ public class WsFrameServer extends WsFrameBase {
             inputBuffer.position(inputBuffer.limit()).limit(inputBuffer.capacity());
             int read = socketWrapper.read(false, inputBuffer);
             inputBuffer.limit(inputBuffer.position()).reset();
-            if (read < 0) {
+            // Some error conditions in NIO2 will trigger a return of zero and close the socket
+            if (read < 0 || socketWrapper.isClosed()) {
                 throw new EOFException();
             } else if (read == 0) {
                 return;
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index e0958525f1..d60a4115e5 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -114,6 +114,14 @@
       </fix>
     </changelog>
   </subsection>
+  <subsection name="WebSocket">
+    <changelog>
+      <fix>
+        Improve handling of error conditions for the WebSocket server,
+        particularly during Tomcat shutdown. (markt)
+      </fix>
+    </changelog>
+  </subsection>
 </section>
 <section name="Tomcat 10.1.10 (schultz)" rtext="release in progress">
   <subsection name="Catalina">


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