[zeromq-dev] assertion failed on zsocket_connect with ZMQ_REQ

[Bachmair Florian - flexSolution GmbH]

'addr' is tcp://127.0.0.1:9998
so the problem may be that the other side of the socket has crashed?

I see that I do not close the 'req' Socket, could this be a problem?

Am 19.05.2015 um 09:59 schrieb Pieter Hintjens:
> zsocket_connect does not block. It returns -1 if the endpoint is
> invalid, which presumably it is. Could you tell us what the value of
> 'addr' is ?
>
> On Tue, May 19, 2015 at 9:40 AM, Bachmair Florian - flexSolution GmbH
> <florian.bachmair at flexsolution.eu> wrote:
>> hi!
>>
>> Sometimes I get an assertion failed in my code.
>> Why is this? shouldn't it block, till a connection is established?
>>
>>
>>
>> NIEXPORT jstring JNICALL Java_eu_flexsolution_core_JNI_1zeromq_request(
>>          JNIEnv *env, jobject object, jstring address, jstring timestamp,
>>          jstring format, jstring command, jstring message) {
>>      const char* addr = (*env)->GetStringUTFChars(env, address, 0);
>>      const char* ts = (*env)->GetStringUTFChars(env, timestamp, 0);
>>      const char* f = (*env)->GetStringUTFChars(env, format, 0);
>>      const char* cmd = (*env)->GetStringUTFChars(env, command, 0);
>>      const char* msg = (*env)->GetStringUTFChars(env, message, 0);
>>
>>      printf("REQ:%s:%s:%s:%s:%s\n", addr,cmd, msg, f, ts);
>>      fflush(stdout);
>>      void *req = zsocket_new(context, ZMQ_REQ);
>>      int rc = zsocket_connect(req, "%s", addr);
>>      assert(rc == 0);
>>      s_sendmore(req, ts);
>>      s_sendmore(req, f);
>>      s_sendmore(req, cmd);
>>      s_send(req, msg);
>>
>>      char* reply = s_recv(req);
>>      printf("reply: %s\n", reply);
>>      fflush(stdout);
>>
>>      (*env)->ReleaseStringUTFChars(env, timestamp, ts);
>>      (*env)->ReleaseStringUTFChars(env, format, f);
>>      (*env)->ReleaseStringUTFChars(env, message, msg);
>>
>>      jstring ret = (*env)->NewStringUTF(env, reply);
>>      return ret;
>> }
>>
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