Exception catching

fchatzia — Fri, 19 Oct 2012 09:46:50 GMT

Hi, i would like to know if there is an easy way to catch exceptions in execution of one workflow. To be more specific i would like to have access to the info that is displayed in the console of the activiti server when something is going wrong.

Re: Exception catching

frederikherema1 — Fri, 19 Oct 2012 13:27:45 GMT

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;
  }

Re: Exception catching

fchatzia — Fri, 19 Oct 2012 14:54:36 GMT

Thank you

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Exception catching

Re: Exception catching

Re: Exception catching