https://issues.apache.org/bugzilla/show_bug.cgi?id=56739
Bug ID: 56739
Summary: Error response body generated only occasionally
Product: Tomcat 8
Version: 8.0.9
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
When using the following approach in an asynchronous servlet for reporting an
error condition, an error response body is generated only occasionally:
((HttpServletResponse) asyncContext.getResponse()).sendError(statusCode,
message);
asyncContext.complete()
Based on a discussion on tomcat-users this should be a valid approach:
http://mail-archives.apache.org/mod_mbox/tomcat-users/201407.mbox/%[email protected]%3e
(subject: "Servlet 3.1 asynchronous processing API")
Here's how to reproduce the issue:
marko@ubuntu:~$ ab -v 2 -l -n 100
'http://localhost:8080/servlet3-async/error1?fail=true' |grep ^Content-Length|
sort | uniq -c
95 Content-Length: 0
5 Content-Length: 1082
The code and more information about the test can be found here:
https://github.com/marko-asplund/servlet3-async
Verified on:
Ubuntu 14.04 / OpenJDK 1.7.0_55
Mac OS X 10.8.5 / Oracle Java 1.7.0_55
The same thing occurs with Tomcat 7.0.54.
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