Backporting for 2.479.3 LTS (part 3) (#10121)

#10043 (comment)

### Testing done

`mvn clean verify -Dtest=hudson.AboutJenkinsTest`

### Proposed changelog entries

- human-readable text

### Proposed upgrade guidelines

N/A

core/src/main/java/hudson/tools/ZipExtractionInstaller.java

@@ -43,6 +43,8 @@
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
+import java.nio.file.FileSystemNotFoundException;
+import java.nio.file.Path;
 import jenkins.MasterToSlaveFileCallable;
 import jenkins.model.Jenkins;
 import org.jenkinsci.Symbol;
@@ -117,6 +119,14 @@ public FormValidation doCheckUrl(@QueryParameter String value) throws Interrupte
             } catch (URISyntaxException e) {
                 return FormValidation.error(e, Messages.ZipExtractionInstaller_malformed_url());
             }
+            if (uri.getScheme() != null && !uri.getScheme().startsWith("http")) {
+                try {
+                    Path.of(uri);
+                    return FormValidation.ok();
+                } catch (FileSystemNotFoundException | IllegalArgumentException e) {
+                    return FormValidation.error(e, Messages.ZipExtractionInstaller_malformed_url());
+                }
+            }
             HttpClient httpClient = ProxyConfiguration.newHttpClient();
             HttpRequest httpRequest;
             try {

pom.xml

@@ -97,7 +97,7 @@ THE SOFTWARE.
     <bridge-method-injector.version>1.29</bridge-method-injector.version>
     <spotless.check.skip>false</spotless.check.skip>
     <!-- Make sure to keep the jetty-ee9-maven-plugin version in war/pom.xml in sync with the Jetty release in Winstone: -->
-    <winstone.version>8.1</winstone.version>
+    <winstone.version>8.4</winstone.version>
     <node.version>20.17.0</node.version>
     <!-- frontend-maven-plugin will install this Yarn version as bootstrap, then hand over control to Yarn Berry. -->
     <yarn.version>1.22.19</yarn.version>

war/pom.xml

@@ -637,7 +637,7 @@ THE SOFTWARE.
       <plugin>
         <groupId>org.eclipse.jetty.ee9</groupId>
         <artifactId>jetty-ee9-maven-plugin</artifactId>
-        <version>12.0.13</version>
+        <version>12.0.16</version>
         <configuration>
           <!--
             Reload webapp when you hit ENTER. (See JETTY-282 for more)