[ http://mc4j.org/jira/browse/STS-387?page=all ]
Ben Gunter closed STS-387.
--------------------------
Fix Version/s: Release 1.5
Resolution: Duplicate
Assignee: Ben Gunter (was: Tim Fennell)
This is a duplicate of STS-371 and is already fixed in both the trunk and the
1.4.x branch. Between 1.4.2 and 1.4.3 this bug surfaced when we fixed another
bug described in STS-369.
> RedirectResolution.addParameter results in NPE.
> -----------------------------------------------
>
> Key: STS-387
> URL: http://mc4j.org/jira/browse/STS-387
> Project: Stripes
> Issue Type: Bug
> Components: ActionBean Dispatching
> Affects Versions: Release 1.4.3
> Environment: Tomcat 5.5.12, Java 5.0
> Reporter: Brian Nichols
> Assigned To: Ben Gunter
> Fix For: Release 1.5
>
>
> If a null value is passed into RedirectResolution.addParameter, a null
> pointer exception will occur when building the redirect URL. Here is how it
> happens:
> String value = null;
> RedirectResolution res = new RedirectResolution("/myaction.action");
> res.addParameter("name", value);
> return res;
> The null pointer exception occurs in UrlBuilder:116
> else if (v.getClass().isArray()) {
> Here is why it happens:
> 1) OnwardResolution.addParameter(String name, Object... values) adds
> the null value as an object array with 1 item that has a value of null. I
> believe the null value should simply be null and not an array.
> 2) UrlBuilder.addParameters "valueOrValues" is the same object array
> with 1 item that has a value of null.
> 3) UrlBuilder.addParameter is called with the array.
> 4) UrlBuilder.addParameter handles a null array, but is does NOT handle
> array of null item(s).
> 5) NPE thrown at line 116.
> Null paramaters used to work fine in 1.4.2. In the interest of backwards
> compatibility, this should be fixed.
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