Hi,
I think I have a similar problem but in a simpler setup. I have an XRootD server that provides files. From another machine, I can access the files and also xrdfs server/ ls /user/dir/ works file. However, when I use a caching proxy I can not get the list of files in a directory on the XRootD server. The caching proxy runs a cache-manager and a cache-server which works fine for file accesses.
cache-manager.cfg

all.manager caching_proxy:1213
xrd.port 1094
all.role manager
all.export / r/w

cache-server.cfg

all.manager caching_proxy:1213
xrd.port any

if exec cmsd
all.role server
all.export / stage r/o
oss.localroot /ceph/cache/

else
all.role server
ofs.osslib   libXrdPss.so
pss.cachelib libXrdFileCache.so
all.export / rw
pss.origin =
oss.localroot /ceph/cache/
pfc.ram 16g
pfc.diskusage 0.9 0.95
pfc.prefetch 10
fi

With xrdfs root://caching_proxy:1094/ ls /root://server:1094//user/dir I get the error [ERROR] Server responded with an error: [3011] Unable to open directory /root:/server:1094//user/dir; no such file or directory. In the cache-server log I found the message
11210 13:34:32 125286 ofs_opendir: root.3423556:25@caching_proxy Unable to open directory /root:/server:1094/user/dir; no such file or directory
However, a stat command works fine (xrdfs root://caching_proxy/ stat /root://server//user/dir).

Do I need to change something in caching proxy configuration?

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