If you are using the new WebSphere BPM 7.5 and get the following error:
org.springframework.transaction.TransactionSystemException:UOWManager
transaction processing failed; nested exception is
com.ibm.wsspi.uow.UOWException:java.lang.NoClassDefFoundError:
Follow the steps below to solve this error:
- Login to the WebSphere Process Server Administrative Console
- Navigate to Servers>Applications Servers>Server1
- On the Configuration tab, click on Container Services>Transaction Service
- Change the value for “Total transaction lifetime timeout” to a higher number and also change the value of “Maximum transaction timeout” to match the value for “Total transaction lifetime timeout” .
- Save the Configuration changes and restart the WebSphere Process Server.