it looks like your Tomcat is missing the JTA setting.TomcatTo use LiveCycle Data Services with Tomcat when not using the integrated Tomcat configuration, install support for the Java Transaction API (JTA). You might also have to install several other libraries depending on the features that you plan...

very clear, I got it now, thanks a lot.

In the LCDS3.1 doc, it's said "Using theshared-backend="false"configuration attribute does not guarantee a single consistent view of the data across the cluster. When two clients are connected to different servers in the cluster, if they perform conflicting updates to the same data value, each serve...