Philip Crider created WW-5423:
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Summary: Query Parameters in Multipart Requests not working in v7
M6
Key: WW-5423
URL: https://issues.apache.org/jira/browse/WW-5423
Project: Struts 2
Issue Type: Bug
Affects Versions: 7.0.0
Reporter: Philip Crider
One of the changes in [https://github.com/apache/struts/pull/861] broke query
parameters in multipart requests. Their values are being lost.
This is the old implementation, which returns null if the parameter doesn't
exist.
{code:java}
public String[] getParameterValues(String name) {
List<String> v = params.get(name);
if (v != null && !v.isEmpty()) {
return v.toArray(new String[0]);
}
return null;
} {code}
And this is the new implementation, which returns an empty array in that case.
{code:java}
public String[] getParameterValues(String name) {
return parameters.getOrDefault(name, Collections.emptyList())
.toArray(String[]::new);
}{code}
This method in MultiPartRequestWrapper is expecting null to be returned in that
case.
{code:java}
public String[] getParameterValues(String name) {
return ((multi == null) || (multi.getParameterValues(name) == null)) ?
super.getParameterValues(name) : multi.getParameterValues(name);
}{code}
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