ThreadLocal bug that needs a workarround
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Key: TAPESTRY-2141
URL: https://issues.apache.org/jira/browse/TAPESTRY-2141
Project: Tapestry
Issue Type: Bug
Components: tapestry-ioc
Affects Versions: 5.0.10
Environment: jre 1.5
Reporter: Davor Hrg
There is a ThreadLocal bug that might be a source of problems for following
code:
here is a non trivial example that is broken,
I'll try to make a trivial one that fails :)
a simple page with test link
<t:eventlink event="test">test</t:eventlink>
page:
@Inject private HibernateSessionManager _sessionManager;
@Inject private ThreadCleanupHub _cleanupHub;
public void onTest(){
new Thread(new Runnable(){
public void run() {
User user = (User)
_sessionManager.getSession().load(User.class, Long.valueOf(1L));
user.setName(user.getName()+"1");
_cleanupHub.cleanup();
}
}).start();
}
for java 1.5 this code fails to save data (threadCleanupHub looses listener
list )
and it works fo 1.6
here's a link to articles about this bug
http://crazybob.org/2006/07/hard-core-java-threadlocal.html
and the bug
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5025230
it also makes this snippet not working
http://wiki.apache.org/tapestry/Tapestry5HowToRunTaskInThread
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