You can use the following project as an example: https://github.com/baboune/Simple-JPA
Everything works fine as long as I use EhCache only. As soon as Terracotta is enabled through ehcache.xml then doing the following: - Create a company - Update the name of the company generate the above exception.... Note the example generates SOAP WS to create company and update it. I used Terracotta 3.4.0_1, started it with default config -- View this message in context: http://openjpa.208410.n2.nabble.com/query-cache-issue-tp6088370p6092610.html Sent from the OpenJPA Users mailing list archive at Nabble.com.