!58 Javadocs search sends you to a non-existent URL

From: @sundapeng001 
Reviewed-by: @hu-zongtang 
Signed-off-by: @hu-zongtang

0016-non-existent-URL.patch

@@ -0,0 +1,42 @@
+diff --git a/build.gradle b/build.gradle
+index 5e8b82237a..0a181019cb 100644
+--- a/build.gradle
++++ b/build.gradle
+@@ -2296,4 +2296,37 @@ task aggregatedJavadoc(type: Javadoc, dependsOn: compileJava) {
+     options.links "https://docs.oracle.com/en/java/javase/${JavaVersion.current().majorVersion}/docs/api/"
+   else
+     options.links "https://docs.oracle.com/javase/8/docs/api/"
++  // TODO: remove this snippet once JDK >11 is used or https://bugs.openjdk.java.net/browse/JDK-8215291 is backported to JDK11
++  // Patch to include `getURLPrefix` from JDK 12 +
++  // NOTICE: This code was copied from original ORACLE search.js file present in JDK 12 and newer
++  final SEARCH_PATCH_MODULE_LESS_AWARE = "\n\n" +
++          "// Fix for moudle-less aware search\n" +
++          "function getURLPrefix(ui) {\n" +
++          "  var urlPrefix=\"\";\n" +
++          "  var slash = \"/\";\n" +
++          "  if (ui.item.category === catModules) {\n" +
++          "    return ui.item.l + slash;\n" +
++          "  } else if (ui.item.category === catPackages && ui.item.m) {\n" +
++          "    return ui.item.m + slash;\n" +
++          "  } else if (ui.item.category === catTypes || ui.item.category === catMembers) {\n" +
++          "    if (ui.item.m) {\n" +
++          "      urlPrefix = ui.item.m + slash;\n" +
++          "    } else {\n" +
++          "      \$.each(packageSearchIndex, function(index, item) {\n" +
++          "        if (item.m && ui.item.p === item.l) {\n" +
++          "          urlPrefix = item.m + slash;\n" +
++          "        }\n" +
++          "      });\n" +
++          "    }\n" +
++          "  }\n" +
++          "  return urlPrefix;\n" +
++          "}"
++
++  // When all the JavaDoc is generated we proceed to patch the search.js file
++  doLast {
++    def searchJsFile = new File(destinationDir.getAbsolutePath() + '/search.js')
++    // Append the patch to the file. By being defined at a later position, JS will execute that definition instead of
++    // the one provided by default (higher up in the file).
++    searchJsFile.append SEARCH_PATCH_MODULE_LESS_AWARE
++  }
+ }

kafka.spec

@@ -4,7 +4,7 @@
 
 Name: kafka
 Version: 2.8.2
-Release: 15
+Release: 16
 Summary: A Distributed Streaming Platform.
 
 License: Apache-2.0
@@ -27,6 +27,7 @@ Patch11: 0012-incorrectly-LeaderElectionCommand.patch
 Patch12: 0013-AlterIsr.patch
 Patch13: 0014-override-toString.patch
 Patch14: 0015-SessionWindows-closed-early.patch
+Patch15: 0016-non-existent-URL.patch
 
 BuildRequires: systemd java-1.8.0-openjdk-devel
 Provides: kafka = %{version}
@@ -78,6 +79,8 @@ cp -pr licenses/*   $RPM_BUILD_ROOT%{kafka_home}/licenses
 rm -rf %{buildroot}
 
 %changelog
+* Fri Dec 08 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-16
+- Javadocs search sends you to a non-existent URL
 * Fri Dec 08 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-15
 - SessionWindows are closed too early
 * Fri Dec 08 2023 sundapeng <sundapeng_yewu@cmss.chinamobile.com> - 2.8.2-14