Hi again,
First off, I am having an issue (with 5.0.5) concerning returning null from
my ValueEncoder's toValue method. I expect the value to be simply set to
null, but instead I get the message:
Coercion of null to type java.lang.Integer (via null --> String,
String --> Long, Long --> Integer) failed: null
when I select "---" (i.e., null) in my select component. Here is the
ValueEncoder code I am using:
private static final ValueEncoder<Integer> integerValueEncoder = new
ValueEncoder<Integer>() {
@Override
public String toClient(Integer i) {
if (i == null)
return null;
return String.valueOf(i);
}
@Override
public Integer toValue(String str) {
if (str == null || str.length() == 0 || str.equals("---"))
return null; // *** crashes after doing this ***
return Integer.parseInt(str);
}
};
My SelectModel uses the string "---" to represent no selection.
I read something ( https://issues.apache.org/jira/browse/TAPESTRY-1648 )
which led me to believe that this problem was fixed in 5.0.6, so I upgraded
my vesion....
After changing my imports of Inject to
"org.apache.tapestry.annotations.ioc.Inject" (instead of
"org.apache.tapestry.annotations.Inject"), 5.0.6 now causes this error
immediately on load of Start:
HTTP ERROR: 500
Internal Server Error
RequestURI=/app/
Powered by Jetty://
and all I see in the console is:
0:0:0:0:0:0:0:1 - - [28/Oct/2007:17:06:02 +0100] "GET /app/ HTTP/1.1" 500
1245 "http://localhost:8080/"; "Mozilla/5.0 (Windows; U; Windows NT 6.0;
en-US; rv:1.8.1.8) Gecko/20071008 Firefox/2.0.0.8" -
which is not terribly helpful.
I'm at a bit of a loss here. Why is 5.0.6 failing so dramatically? And am
I doing something wrong with my encoder, or is this really the bug I think
it is?
tia,
Marc
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