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markt pushed a commit to branch 8.5.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/8.5.x by this push:
     new 2d554a3  Another attempt to fix an intermittent unit test failure
2d554a3 is described below

commit 2d554a34b3e0b9b377c362ef56ba9d618bc73210
Author: Mark Thomas <[email protected]>
AuthorDate: Mon Mar 2 17:28:03 2020 +0000

    Another attempt to fix an intermittent unit test failure
---
 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 ea3919e..8da922d 100644
--- a/test/org/apache/catalina/core/TestAsyncContextImpl.java
+++ b/test/org/apache/catalina/core/TestAsyncContextImpl.java
@@ -351,7 +351,21 @@ 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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