Java 7 (OpenJDK 7u51) more than 65k files corrupted jar

import java.io.*;
import java.util.jar.JarEntry;
import java.util.jar.Manifest;
import java.util.jar.Attributes;
import java.util.jar.JarOutputStream;

public class JarBug {

public static void main(String[] args) throws IOException  {
    generateLargeJar(new File("buggyjar.jar"));
}


static void generateLargeJar(File result) throws IOException {
        if (result.exists()) {
            result.delete();
        }

        Manifest manifest = new Manifest();
        manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
        JarOutputStream copyTo = new JarOutputStream(new FileOutputStream(result), manifest);
        int many = Short.MAX_VALUE * 2 + 2;
        for (int i = 0 ; i < many ; i++) {
            JarEntry e = new JarEntry("F-" + i + ".txt/");
            copyTo.putNextEntry(e);
        }
        copyTo.flush();
        copyTo.close();
}

}

javac JarBug.java
java JarBug
java -jar buggyjar.jar

Expected output (at least on Sun JDK 6):

Failed to load Main-Class manifest attribute from
buggyjar.jar

OpenJDK 7u51 output:

Error: Invalid or corrupt jarfile buggyjar.jar