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Runtime Exception w/ Java 8 Lambas in Android

See original GitHub issue

I did a build from the latest master snapshot on Github, and ran into this error when receiving data on the REP socket.

I/art: Rejecting re-init on previously-failed class java.lang.Class<zmq.io.StreamEngine$ProducePongMessage>
    Rejecting re-init on previously-failed class java.lang.Class<zmq.io.StreamEngine$ProducePongMessage>
I/art: Rejecting re-init on previously-failed class java.lang.Class<zmq.io.-$$Lambda$StreamEngine$W0Gv5o5INYywwEmQ5W1uv6x5Tgw>
E/AndroidRuntime: FATAL EXCEPTION: iothread-2
    Process: com.ravn.havoc, PID: 21413
    java.lang.NoClassDefFoundError: zmq.io.-$$Lambda$StreamEngine$W0Gv5o5INYywwEmQ5W1uv6x5Tgw
        at zmq.io.StreamEngine.<init>(StreamEngine.java:865)
        at zmq.io.net.tcp.TcpConnecter.connectEvent(TcpConnecter.java:149)
        at zmq.io.IOObject.connectEvent(IOObject.java:99)
        at zmq.poll.Poller.run(Poller.java:267)
        at java.lang.Thread.run(Thread.java:818)

The stack references these lines in StreamEngine.java:

    private final Function<Msg, Boolean> processIdentity = this::processIdentityMsg;
    private final Supplier<Msg>          nextIdentity    = this::identityMsg;

Its not clear to me why this is throwing the error…

Issue Analytics

State:
Created 5 years ago
Comments:19 (14 by maintainers)

Top GitHub Comments

2reactions

trevorbernardcommented, Jun 21, 2019

Sounds like a good time to cut a new release. Once the Changelog is updated then we’ll release a new version

2reactions

fredoboulocommented, Mar 29, 2019

I think I understand now, it’s not about the syntaxic sugar, but the fact that not every classes or packages are included in every flavour of Android.

I listed so far:

added in API level 24 java.util.function classes java.util.stream classes java.util.Optional java.lang.FunctionalInterface
added in API level 19 java.util.Objects

I was about to create a PR, I’m introducing removals of these usages. I just have a doubt about the 2 draft APIs, ZMQ.recvStream. @esahekmat you introduced them, would you mind if I remove them for the time being? Unless someone gets a better idea…

If someone can propose a more exhaustive list, that wuld be helpful, as well as a way to build the library with a given version of Android on Travis