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markt pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push:
new 90f5f2f BZ 64166. HttpServletResponse.getHeaderNames() now returns
unique names
90f5f2f is described below
commit 90f5f2f8528612bb7f07c9fe403c5218c050bec8
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Feb 25 14:16:44 2020 +0000
BZ 64166. HttpServletResponse.getHeaderNames() now returns unique names
https://bz.apache.org/bugzilla/show_bug.cgi?id=64166
---
java/org/apache/catalina/connector/Response.java | 7 ++++---
webapps/docs/changelog.xml | 4 ++++
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/java/org/apache/catalina/connector/Response.java
b/java/org/apache/catalina/connector/Response.java
index 37515ed..3900c30 100644
--- a/java/org/apache/catalina/connector/Response.java
+++ b/java/org/apache/catalina/connector/Response.java
@@ -31,9 +31,11 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
+import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
+import java.util.Set;
import java.util.function.Supplier;
import javax.servlet.ServletOutputStream;
@@ -878,9 +880,8 @@ public class Response implements HttpServletResponse {
@Override
public Collection<String> getHeaders(String name) {
- Enumeration<String> enumeration =
- getCoyoteResponse().getMimeHeaders().values(name);
- List<String> result = new ArrayList<>();
+ Enumeration<String> enumeration =
getCoyoteResponse().getMimeHeaders().values(name);
+ Set<String> result = new LinkedHashSet<>();
while (enumeration.hasMoreElements()) {
result.add(enumeration.nextElement());
}
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 45eb1b1..1c9ad17 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -64,6 +64,10 @@
<fix>
Missing store config attributes for Resources elements. (remm)
</fix>
+ <fix>
+ <bug>64166</bug>: Ensure that the names returned by
+ <code>HttpServletResponse.getHeaderNames()</code> are unique. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Coyote">
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