Linux FUSE 错误：传输端点未连接
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FUSE error: Transport endpoint is not connected
提问by AndroidDev
I'm trying to implement the FUSE filesystem. I am receiving this error:
我正在尝试实现 FUSE 文件系统。我收到此错误：
cannot access MountDir: Transport endpoint is not connected
无法访问 MountDir：传输端点未连接
This the relevant parts of the program. There are two directories, MirrorDirand MountDir, that exist withing the same directory as all of the code. I am calling the program like this:
这是程序的相关部分。有两个目录MirrorDir和MountDir，它们与所有代码位于同一目录中。我这样调用程序：
./myFS -o nonempty -o allow_other MirrorDir MountDir
Can anyone see what I am doing wrong?
谁能看到我做错了什么？
static struct fuse_operations xmp_oper = {
.getattr = xmp_getattr,
.readdir = xmp_readdir,
.open = xmp_open,
.read = xmp_read,
};
int main(int argc, char *argv[]) {
int fuse_stat;
char* mirrorDir;
mirrorDir = malloc(sizeof(strlen(argv[argc-2]+1)));
if (mirrorDir == NULL) {
perror("main calloc");
abort();
}
// Pull the rootdir out of the argument list and save it in my internal data
mirrorDir = realpath(argv[argc-2], NULL);
argv[argc-2] = argv[argc-1];
argv[argc-1] = NULL;
argc--;
// turn over control to fuse
fprintf(stderr, "about to call fuse_main\n");
fuse_stat = fuse_main(argc, argv, &xmp_oper, mirrorDir);
fprintf(stderr, "fuse_main returned %d\n", fuse_stat);
return fuse_stat;
}
回答by Jonathan Brown
This typically is caused by the mount directory being left mounted due to a crash of your filesystem. Go to the parent directory of the mount point and enter fusermount -u YOUR_MNT_DIR.
这通常是由于文件系统崩溃导致挂载目录被挂载造成的。进入挂载点的父目录，输入fusermount -u YOUR_MNT_DIR.
If this doesn't do the trick, do sudo umount -l YOUR_MNT_DIR.
如果这不起作用，请执行sudo umount -l YOUR_MNT_DIR.
回答by Jonathan Brown
I mounted a ssh file system (sshfs command line) and left it mounted and I had same problem, fusermount -u YOUR_MNT_DIRsolved my problem. Thanks
我挂载了一个 ssh 文件系统（sshfs 命令行）并将其挂载，我遇到了同样的问题，fusermount -u YOUR_MNT_DIR解决了我的问题。谢谢
回答by Thiago Mata
You may check your /etc/hosts to verify it the master node is with a fully qualified name. More details in https://community.cloudera.com/t5/CDH-Manual-Installation/Setting-the-NameNode-port-8020-to-listen-outside-of-localhost/td-p/2257and in How to configure hosts file for Hadoop ecosystem
您可以检查您的 /etc/hosts 以验证主节点是否具有完全限定名称。https://community.cloudera.com/t5/CDH-Manual-Installation/Setting-the-NameNode-port-8020-to-listen-outside-of-localhost/td-p/2257中的更多详细信息和如何为 Hadoop 生态系统配置 hosts 文件
