java - Installing and running ZeroMQ -


i trying install zeromq on pc can not make program run without crashing.
installation:

1) install visual studio 2017.  2) clone git jzmq , libzmq  3) install zmq version 4.0.4 windows.  4) run script build in: \libzmq\builds\msvc\build\build.bat  5) open in visual studio 2017: libzmq\builds\msvc\vs2017\libzmq.sln , jzmq\jzmq-jni\builds\msvc\msvc.sln.  6) rebuild in visual studio 2017 sln files:  + libzmq.sln : in properties: configuration: active(debugdll) platform: active(x64)  + msvc.sln : in properties: configuration:release platform: active(x64) label vc++ directories: update include directories , library directories, label linker -> input: update additional dependencies - c:\git-repo\libzmq\bin\x64\debug\v141\dynamic\libzmq.lib;%(additionaldependencies)  7) put libzmq.dll , jzmq.dll in system32 folder.

after finished installation, try run simple java example see if working:
java code:

import org.zeromq.zmq; import java.nio.charset.charset;  public class testmainclass {  public static void main(string[] args){     try {         zmq.context context = zmq.context(1);         zmq.socket replier = context.socket(zmq.rep);         replier.bind("tcp://*:5559");          while (true) {              string gwsource = replier.recvstr(charset.defaultcharset());             replier.send("ok");             system.out.println(gwsource);         }     }catch (throwable e) {         system.out.println(e);     }   } } 
import org.zeromq.zmq;  public class requester {  public static void main(string[] args){     zmq.context context = zmq.context(1);     zmq.socket replier = context.socket(zmq.req);     replier.connect("tcp://localhost:5559");      while (true) {         replier.send("public");         system.out.println(new string(replier.recv()));     }   } } 
    <?xml version="1.0" encoding="utf-8"?>     <project xmlns="http://maven.apache.org/pom/4.0.0"      xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"      xsi:schemalocation="http://maven.apache.org/pom/4.0.0    http://maven.apache.org/xsd/maven-4.0.0.xsd">  <modelversion>4.0.0</modelversion>  <groupid>com.test.hagar</groupid> <artifactid>hagartestrealtick</artifactid> <version>current-snapshot</version>  <dependencies>     <dependency>         <groupid>org.zeromq</groupid>         <artifactid>jzmq</artifactid>         <version>3.1.0</version>     </dependency> </dependencies>  </project>

the consul output:

for testmainclass :

"c:\program files\java\jdk1.8.0_121\bin\java" -xcheck:jni -verbose:jni "-javaagent:c:\program files\jetbrains\intellij idea community edition 2017.2.1\lib\idea_rt.jar=57531:c:\program files\jetbrains\intellij idea community edition 2017.2.1\bin" -dfile.encoding=utf-8 -classpath "c:\program files\java\jdk1.8.0_121\jre\lib\charsets.jar;c:\program files\java\jdk1.8.0_121\jre\lib\deploy.jar;c:\program files\java\jdk1.8.0_121\jre\lib\ext\access-bridge-64.jar;c:\program fil warning in native method: jni call made without checking exceptions when required calllongmethodv @ org.zeromq.zmq$socket.construct(native method) @ org.zeromq.zmq$socket.<init>(zmq.java:1719) @ org.zeromq.zmq$context.socket(zmq.java:451) @ testmainclass.main(testmainclass.java:11) [dynamic-linking native method org.zeromq.zmq$socket.bind ... jni] [dynamic-linking native method org.zeromq.zmq$socket.recv ... jni]  process finished exit code -1073740791 (0xc0000409)

for requester : 

[registering jni native method java.lang.system.arraycopy] [dynamic-linking native method java.lang.thread.registernatives ... jni] [registering jni native method java.lang.thread.start0] warning in native method: jni call made without checking exceptions when required calllongmethodv @ org.zeromq.zmq$socket.construct(native method) @ org.zeromq.zmq$socket.<init>(zmq.java:1719) @ org.zeromq.zmq$context.socket(zmq.java:451) @ requester.main(requester.java:8) [dynamic-linking native method org.zeromq.zmq$socket.connect ... jni] [dynamic-linking native method org.zeromq.zmq$socket.send ... jni]   [dynamic-linking native method org.zeromq.zmq$socket.recv ... jni]

the program crash after testmainclass try receive response , print: process finished exit code -1073740791 (0xc0000409)

i think wrong in installation causes fail, can not find problem.

ok, alea acta est:

how debugging root-cause?

level 0: send first int-s, instead of string-s ( having different add-on charset-issues )

level 1: try non-blocking mode of .recv() method ( return non-blocking mode of .recv() method call prove zeromq-part not problem )


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