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Posted to dev@tomcat.apache.org by bu...@apache.org on 2012/01/24 16:41:10 UTC
DO NOT REPLY [Bug 52517] New: Server affecting URLConnector's
defaultUseCache settings
https://issues.apache.org/bugzilla/show_bug.cgi?id=52517
Bug #: 52517
Summary: Server affecting URLConnector's defaultUseCache
settings
Product: Tomcat 6
Version: unspecified
Platform: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: kamil.toszek@gmail.com
Classification: Unclassified
After migrating to Tomcat 6 (from Tomcat 5), connections made by servlets using
URLConnection have additional request headers -> "Cache-Control"and "Pragma".
After looking at the OpenJDK6 implementation of URLConnection class, in
private void writeRequests() function I have found this lines:
if(!getUseCaches())
{
requests.setIfNotSet("Cache-Control", "no-cache");
requests.setIfNotSet("Pragma", "no-cache");
}
Now, urlconnection.getDefaultUseCaches on Tomcat 5 returns null, but on Tomcat
6 the same code returns false, thus Tomcat 6 affects behavior of Java Runtime
Environment.
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DO NOT REPLY [Bug 52517] Server affecting URLConnector's
defaultUseCache settings
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52517
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
OS/Version| |All
--- Comment #1 from Mark Thomas <ma...@apache.org> 2012-01-29 19:14:46 UTC ---
This is by design to avoid memory leaks.
The behaviour is configurable. See the docs for
org.apache.catalina.core.JreMemoryLeakPreventionListener
You are also able to change this per connection.
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