cannot open shared object file: No such file or directory
一般我们在Linux下执行某些外部程序的时候可能会提示找不到共享库的错误,
比如:
error while loading shared libraries: libxxx.so: cannot open shared object file: No such file or directory
原因一般有两个,
一个是操作系统里确实没有包含该共享库(lib*.so.*文件)或者共享库版本不对, 遇到这种情况重新下载并安装上即可.
另外一个原因就是已经安装了该共享库, 但执行需要调用该共享库的程序的时候, 程序按照默认共享库路径找不到该共享库文件.
解决方案:
1.检查系统路径(/usr/lib64或者/lib64)下是否有该文件
2.通过ldd命令检查当前so文件依赖的动态库是否都能找到
3.如果共享库文件安装到了/usr/local/lib目录下, 那么需执行一下ldconfig命令
说明:ldconfig命令的用途, 主要是在默认搜寻目录(/lib和/usr/lib)以及动态库配置文件/etc/ld.so.conf内所列的目录下,
搜索出可共享的动态链接库(格式如lib*.so*), 进而创建出动态装入程序(ld.so)所需的连接和缓存文件.
缓存文件默认为/etc/ld.so.cache, 此文件保存已排好序的动态链接库名字列表.
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