Bug#861872: Tomcat fails to serve png images

Support support at ev.uk
Fri May 5 07:30:10 UTC 2017


Package: tomcat7

Version: 7.0.28-4+deb7u12

 

When I request a PNG file The request stalls part way through and fails to
return the full image. In a remote browser the request,
https://example-site.com/path/to/an/image.png, is eventually timed out by a
proxy and responds with HTTP code 206

or from command line on the server, wget
http://localhost:8080/path/to/an/image.png, the request seems to run forever
without completing.

 

# ./version.sh

Server version: Apache Tomcat/7.0.28

Server built:   Apr 28 2017 09:05:52

Server number:  7.0.28.0

OS Name:        Linux

OS Version:     3.2.0-4-amd64

Architecture:   amd64

JVM Version:    1.7.0_121-b00

JVM Vendor:     Oracle Corporation

 

 

This was not an issue in the previous version, 7.0.28-4+deb7u11, which was
available until 28th April:

# ./version.sh

Server version: Apache Tomcat/7.0.28

Server built:   Feb 22 2017 07:11:42

Server number:  7.0.28.0

OS Name:        Linux

OS Version:     3.2.0-4-amd64

Architecture:   amd64

JVM Version:    1.7.0_121-b00

JVM Vendor:     Oracle Corporation

 

Rolling back to the previous version or manually dropping in the previous
version of the tomcat-catalina-7.0.28.jar and tomcat-coyote-7.0.28.jar fixes
the issue.

 

 

#uname -a

Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.86-1 x86_64 GNU/Linux

# lsb_release -da

No LSB modules are available.

Distributor ID: Debian

Description:    Debian GNU/Linux 7.11 (wheezy)

Release:        7.11

Codename:       wheezy

 


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