Hi, The root cause is: DatabaseJournal "ORA-00902: invalid datatype". What version of Oracle and Jackrabbit do you use? > The only 'fix' was to copy ns_reg.properties and ns_idx.properties from one node to another. I believe a workaround / the solution is to use a shared repository-level file system. I have updated the wiki page at http://wiki.apache.org/jackrabbit/Clustering . In your case this means: ... The other file systems are OK. If you want, you can use a database file system here (the other file system can be LocalFileSystem). Regards, Thomas