Native Messaging host tried sending a message that is 977472013 bytes long

Question

I\'m using a java jar to send and receive messages using Chrome Native Messaging.

I enabled logging of Chrome so I could read C:\\Users\\%UserName%\\AppData\\Local

Answer 1

I think you have to swap the order of the bytes defining your message length. Change your getBytes() method to this:

public byte[] getBytes(int length) {
    byte[] bytes = new byte[4];
    bytes[3] = (byte) (length & 0xFF);
    bytes[2] = (byte) ((length >> 8) & 0xFF);
    bytes[1] = (byte) ((length >> 16) & 0xFF);
    bytes[0] = (byte) ((length >> 24) & 0xFF);
    return bytes;
}