const char *alias = env->GetStringUTFChars(jalias, 0);
msg_error_t rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
const char *alias = env->GetStringUTFChars(jalias, 0);
msg_error_t rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);