Hi,
Pax ver: 7.2.3
Karaf ver: 4.2.1
Description:
I'm going to register an event listener, a HttpSessionListener in my
bundle. On e.g., bundle restarts the listeners are not unregistered first
as they treated as non-stoppable elements.
The problem is that this way the listeners are duplicated(multiplicated) in
jetty server (adding them to a list at
org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.addEventListener(EventListener))
.
Is this the expected behavior, do I unregister them manually?
Related code:
org.ops4j.pax.web.extender.whiteboard.internal.WebApplication.addWebElement(WebElement)
....
if (webElement instanceof ListenerWebElement) {
LOG.debug("registering a ListenerWebElement");
List<WebElement> stoppableElements = webElements.stream()
.filter(element -> !(element instanceof ListenerWebElement))
.filter(element -> !(element instanceof ResourceWebElement))
.collect(Collectors.toList());
stoppableElements.forEach(element -> {
LOG.debug("unregistering element {}", element);
unregisterWebElement(element);
});
LOG.debug("registering weblement:{}", webElement);
registerWebElement(webElement);
...
And below the finally block:
...
} finally {
webElements.add(webElement);
httpServiceLock.writeLock().unlock();
}
...
Expected behaviour:
The listeners are not duplicated.
Actual behaviour:
The listeners added as many times we restart the bundle.
Many thanks,
Janos
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