Try to fix some issues.

libs/zstd/build.gradle

@@ -11,6 +11,13 @@ dependencies {
   api project(':libs:elasticsearch-core')
   implementation "net.java.dev.jna:jna:${versions.jna}"
 
+  // zstd native implementation bundles
+  runtimeOnly "org.elasticsearch:zstd:${versions.zstd}:darwin-aarch64"
+  runtimeOnly "org.elasticsearch:zstd:${versions.zstd}:darwin-x86-64"
+  runtimeOnly "org.elasticsearch:zstd:${versions.zstd}:linux-aarch64"
+  runtimeOnly "org.elasticsearch:zstd:${versions.zstd}:linux-x86-64"
+  runtimeOnly "org.elasticsearch:zstd:${versions.zstd}:windows-x86-64"
+
   testImplementation(project(":test:framework")) {
     exclude group: 'org.elasticsearch', module: 'elasticsearch-zstd'
   }

libs/zstd/src/main/java/org/elasticsearch/zstd/Zstd.java

@@ -11,6 +11,7 @@
 import com.sun.jna.Library;
 import com.sun.jna.Native;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.nio.ByteBuffer;
@@ -22,12 +23,14 @@
 public final class Zstd {
 
     private static ZstdLibrary load() {
-        String zstdPath;
-        try {
-            zstdPath = Native.extractFromResourcePath("zstd").getAbsolutePath();
-        } catch (IOException e) {
-            throw new UncheckedIOException(e);
-        }
+        File zstdFile = AccessController.doPrivileged((PrivilegedAction<File>) () -> {
+            try {
+                return Native.extractFromResourcePath("zstd");
+            } catch (IOException e) {
+                throw new UncheckedIOException(e);
+            }
+        });
+        String zstdPath = zstdFile.getAbsolutePath();
         return AccessController.doPrivileged((PrivilegedAction<ZstdLibrary>) () -> Native.load(zstdPath, ZstdLibrary.class));
     }
 

server/src/main/java/org/elasticsearch/bootstrap/PolicyUtil.java

@@ -63,7 +63,7 @@
 import javax.security.auth.kerberos.ServicePermission;
 
 public class PolicyUtil {
-    private static final Pattern CODEBASE_ALIAS_CLASSIFIER_PATTERN = Pattern.compile(".*-(?:\\d+(?:\\.)?)+(?:-SNAPSHOT)?(-.+)?\\.jar");
+    private static final Pattern CODEBASE_ALIAS_CLASSIFIER_PATTERN = Pattern.compile(".*(-(?:darwin|linux|windows)-.*)\\.jar");
 
     // this object is checked by reference, so the value in the list does not matter
     static final List<String> ALLOW_ALL_NAMES = List.of("ALLOW ALL NAMES SENTINEL");

server/src/main/resources/org/elasticsearch/bootstrap/security.policy

@@ -71,6 +71,7 @@ grant codeBase "${codebase.jna}" {
   // for registering native methods
   permission java.lang.RuntimePermission "accessDeclaredMembers";
   permission java.lang.reflect.ReflectPermission "newProxyInPackage.org.elasticsearch.zstd";
+  permission java.io.FilePermission "*", "read";
 };
 
 grant codeBase "${codebase.log4j-api}" {
@@ -86,6 +87,7 @@ grant codeBase "${codebase.elasticsearch-preallocate}" {
 
 grant codeBase "${codebase.elasticsearch-zstd}" {
   permission java.lang.reflect.ReflectPermission "newProxyInPackage.org.elasticsearch.zstd";
+  permission java.io.FilePermission "*", "read";
 };
 
 //// Everything else:

server/src/main/resources/org/elasticsearch/bootstrap/test-framework.policy

@@ -124,7 +124,7 @@ grant codeBase "${codebase.netty-transport}" {
 };
 
 grant codeBase "${codebase.jna}" {
-  permission java.io.FilePermission "*" "read";
+  permission java.io.FilePermission "*", "read";
 };
 
 grant {