The easiest way is to wrap all of the API-calls you do to activiti in a try-catch block and use the stack trace, this covers all synchronous errors. When you want to have job-executor-errors (e.g.. timers) you'll have to add custom JobHandlers in the configuration.
Another way, a bit deeper into activiti, is to include an additional Interceptor in the activiti command-stack. For example, see the "org.activiti.engine.impl.interceptor.LogInterceptor", which logs every command that happens in activiti. In your case, it would be something like this:
try {
return next.execute(command);
} catch(Throwable t) {
// insert magic here
}
And plug your interceptor in, into the configuration using JAVA or wiring the property in spring:
public ProcessEngineConfigurationImpl setCustomPreCommandInterceptorsTxRequired(List<CommandInterceptor> customPreCommandInterceptorsTxRequired) {
this.customPreCommandInterceptorsTxRequired = customPreCommandInterceptorsTxRequired;
return this;
}
