Upgrading to SOA Suite PS5 on Oracle XE
Installing PS5 (11.1.1.6) can cause some problems when using Oracle XE as the infrastucture database. The solution is described in this SOA Suite / BPM blog by Niall Commiskey.
More tips on upgrading OFM 11g to patch set 5
My colleague Laurens van der Starre published a serie of tips and tricks on upgrading Oracle Fusion Middleware to PS5 on the Whitehorses blog.
More considerations on upgrading to OFM 11.1.1.6.0
There is an additional article on upgrading to OFM 11.1.1.6 on the Whitehorses blog. It goes into more detail on JDK 7 support, OWSM in SOA Suite, the combination of OSB en OWSM and for example the PSA (Patch Set Assistant) performance.
Java memory arguments in OFM 11.1.1.6.0
More on setting Java memory arguments in SOA Suite 11.1.1.6.0.