setReqRelaxed + setReqCorrelate not working for tcp connections

[ledergec]

Hi,

I have hit the following issue:

If I set:

    requester.setReqRelaxed(true);
    requester.setReqCorrelate(true);

on a REQ socket using tcp the socket no longer receives any data. The full example looks like this:

    ZContext context = new ZContext();

    var replier = context.createSocket(SocketType.REP);
    replier.bind("tcp://127.0.0.1:9877");
    replier.setLinger(0);

    var requester = context.createSocket(SocketType.REQ);
    requester.connect("tcp://127.0.0.1:9877");
    requester.setLinger(0);
    requester.setReqRelaxed(true);
    requester.setReqCorrelate(true);

    requester.send(new byte[] {(byte) 8, (byte) 2});

    var request = replier.recv();
    assertThat(request).isEqualTo(new byte[] {(byte) 8, (byte) 2});
    replier.send(new byte[] {(byte) 8, (byte) 2});

    var reply = requester.recv();
    assertThat(reply).isEqualTo(new byte[] {(byte) 8, (byte) 2});

    requester.close();
    replier.close();
    context.close();

If the setCorrelated and setRelaxed calls are removed, the example runs. Same holds true if I replace tcp by inproc.

I am using version 0.5.2 from maven central:

    implementation group: 'org.zeromq', name: 'jeromq', version: '0.5.2'

There is a seemingly related issue, but it's not exactly the same: #442