Hi,
I have problem with Tomcat 6.0 StandardSession implementation.
We have an application who calls setAttribute("myAttr", myValue), and try to
get this attribute in a method launched in valueBound(), but only gets null value.
According to source code, the setAttribute() method calls valueBound *before*
setting attribute in attributes Map :
public void setAttribute(String name, Object value, boolean notify)
{
[...]
// Call the valueBound() method if necessary
if (notify && value instanceof HttpSessionBindingListener)
{
// Don't call any notification if replacing with the same value
Object oldValue = attributes.get(name);
if (value != oldValue)
{
event = new HttpSessionBindingEvent(getSession(), name, value);
try
{
((HttpSessionBindingListener) value).valueBound(event);
}
catch (Throwable t)
{
manager.getContainer().getLogger().error(sm.getString("standardSession.bindingEvent"),
t);
}
}
}
// Replace or add this attribute
Object unbound = attributes.put(name, value);
// Call the valueUnbound() method if necessary
[...]
}
Why valueBound() is called before setting the attribute in the map ? Is it
allowed to call getAttribute() from valueBound() ? Is the following code
correct ?
setAttribute("myAttr", myValue);
-> valueBound() event fired
In the valueBound() :
// getAttribute() always returns null
Object myAttr = getAttribute("myAttr");
Thanks in advance.
Regards,
Thomas
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