Persistent (@Persist) fields not set correctly between requests if they are
initialised from pageAttached() method
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Key: TAP5-374
URL: https://issues.apache.org/jira/browse/TAP5-374
Project: Tapestry 5
Issue Type: Bug
Components: tapestry-core
Affects Versions: 5.0.16, 5.0.15
Reporter: Joel Halbert
I am seeing unexpected behaviour when using persistent fields and the
page lifecycle method, pageAttached(), (T 5.0.15).
I have a persistent field,
@Persist
private Map myMap;
I also have a page lifecycle method,
void pageAttached() {
if (myMap == null){
myMap = new HashMap();
}
}
I expect that when the page first loads and myMap is null then myMap
will be initialised to an empty map, thereafter I expect anything I put
into the map to persist across requests.
What I actually see is that, if the above pageAttached method is present
then any data that I put into myMap does not persist across requests
(the map is always empty). I was not expecting this.
If I do not initialise myMap in pageAttached then data does persist.
By design or bug?
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