Some additional information: the problem seems to be limited to WebDAV. Opening a file on the server via SFTP (SSH), works fine both via File -> Open in OO.o and by double-clicking on the file.
Some additional information: the problem seems to be limited to WebDAV. Opening a file on the server via SFTP (SSH), works fine both via File -> Open in OO.o and by double-clicking on the file.