java ZMQ - libzmq.so.3：无法打开共享对象文件：没有那个文件或目录
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ZMQ - libzmq.so.3: cannot open shared object file: No such file or directory
提问by tokhi
I'm trying to embed zeroMQin my app, I followed this guidelineto install ZMQ, so till here everything works fine.
I have this line of code in my app:
我正在尝试嵌入zeroMQ我的应用程序，我按照此指南进行安装ZMQ，所以直到这里一切正常。我的应用程序中有这行代码：
ZMQ.Context m_context = ZMQ.context(1);
but above line of code raise below exception:
但上面的代码行引发以下异常：
Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/libjzmq-812339378390536247.lib: libzmq.so.3: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1939)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1864)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1825)
at java.lang.Runtime.load0(Runtime.java:792)
at java.lang.System.load(System.java:1059)
at org.zeromq.EmbeddedLibraryTools.loadEmbeddedLibrary(EmbeddedLibraryTools.java:136)
at org.zeromq.EmbeddedLibraryTools.<clinit>(EmbeddedLibraryTools.java:22)
at org.zeromq.ZMQ.<clinit>(ZMQ.java:38)
at com.castaclip.verticals.Messenger.<init>(Messenger.java:125)
at com.castaclip.verticals.PushMessenger.<init>(PushMessenger.java:30)
at com.castaclip.verticals.pushserver.App.setup(App.java:60)
at com.castaclip.verticals.pushserver.App.main(App.java:41)
The error is exactly pointing to this line.
错误正是指向这一行。
P.S: its a little bit difficult to fully explain this question.. if you have any question plz let me know. thanks.
PS：完全解释这个问题有点困难..如果你有任何问题请告诉我。谢谢。
回答by Trevor Bernard
If you've successfully built libzmq and jzmq in that order, I would run:
如果您已按此顺序成功构建 libzmq 和 jzmq，我将运行：
$ sudo ldconfig
to update the system library cache. Then I would check to see if LD_LIBRARY_PATH is defined like Raffian mentioned, or set your library path explicitly to something like:
更新系统库缓存。然后我会检查 LD_LIBRARY_PATH 是否像 Raffian 提到的那样定义，或者将您的库路径显式设置为类似以下内容：
$ java -Djava.library.path=/usr/lib:/usr/local/lib
回答by tokhi
Finally I tried to figure out the problem.
I was using zeromq-2.1.10and this was part of the problem.
最后我试图找出问题所在。我正在使用zeromq-2.1.10，这是问题的一部分。
So I installed zeromq-3.2.3from the source and problem resolved.
所以我zeromq-3.2.3从源代码安装并解决了问题。
回答by DJC
I encountered a mystifying instance of this message when I:
当我执行以下操作时，我遇到了此消息的一个神秘实例：
# java -Djava.library.path=/usr/hf/zmq/lib/ -cp '/usr/hf/lib/*:.' com.zmqtest.MA
Exception in thread "main"
java.lang.UnsatisfiedLinkError: /usr/hf/zmq/lib/libjzmq.so:
libzmq.so.3: cannot open shared object file: No such file or directory
which was fixed with a solution that makes no sense at all to me:
这是用一个对我来说毫无意义的解决方案修复的：
# LD_LIBRARY_PATH=/usr/hf/zmq/lib/ java -Djava.library.path=/usr/hf/zmq/lib/ -cp '/usr/hf/lib/*:.' com.zmqtest.MA
wierd.
怪异的。
