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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 899000d  Fix another intermittent failure. Same root cause as the BZ 
49567 test
899000d is described below

commit 899000d53fd3e6641de547055ed40814b99439b0
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Mar 5 10:11:59 2020 +0000

    Fix another intermittent failure. Same root cause as the BZ 49567 test
---
 test/org/apache/catalina/core/TestAsyncContextImpl.java | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/test/org/apache/catalina/core/TestAsyncContextImpl.java 
b/test/org/apache/catalina/core/TestAsyncContextImpl.java
index f825a9d..2140203 100644
--- a/test/org/apache/catalina/core/TestAsyncContextImpl.java
+++ b/test/org/apache/catalina/core/TestAsyncContextImpl.java
@@ -286,7 +286,21 @@ public class TestAsyncContextImpl extends TomcatBaseTest {
                         resp.getWriter().print("OK");
                         req.getAsyncContext().complete();
                         result.append('5');
-                        result.append(req.isAsyncStarted());
+                        try {
+                            // Once complete() has been called on a
+                            // non-container thread it is not safe to
+                            // continue to use the request object as it
+                            // may be recycled at any point. Normally
+                            // there is enough time for this call to
+                            // complete but not always. If this call
+                            // fails in Tomcat an NPE will result so
+                            // handle this here with a hack. What we are
+                            // really checking here is that it does not
+                            // return true.
+                            result.append(req.isAsyncStarted());
+                        } catch (NullPointerException npe) {
+                            result.append("false");
+                        }
                         done = true;
                     } catch (InterruptedException e) {
                         result.append(e);


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