java.util.concurrent.ExecutionException: java.lang.NullPointerException: No BaseStepListener has been registered : Throwing this exception under Java's Callable interface call() method with Serenity

[nitin1989]

Hi ,
I am getting below exception on using Callable interface call() method implemetation with Serenity.

java.util.concurrent.ExecutionException: java.lang.NullPointerException: No BaseStepListener has been registered
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at com.serenity.test.cucumberStepDefinitions.api.EmployeeGlue.i_hit_API_n_times_with_body_data_as(EmployeeGlue.java:125)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cucumber.runtime.Utils$1.call(Utils.java:26)
at cucumber.runtime.Timeout.timeout(Timeout.java:16)
at cucumber.runtime.Utils.invoke(Utils.java:20)

Below is the code I am using inside Callable interface's call() method:

@OverRide
public String call() throws Exception
{
Response res=null;
StringBuilder sb = new StringBuilder();
res=employee.createNewEmployee(url,payload); // Calling to POST API to create employees
JsonPath jsonpath = res.jsonPath();
String name = jsonpath.get("name");
sb.append("API Response : ").append(res.asString()).append('\n');
sb.append("Name : ").append(name).append('\n');
Serenity.recordReportData().withTitle("Employee Creation : ").andContents(sb.toString()); // Exception thrown here.
return name;

}

Exception is getting thrown in above code when logging content in Serenity report(Line of code highlighted above in bold)

[wakaleo]

You are using Serenity in a separate thread - that won’t work.

[nitin1989]

Why is this so?

[wakaleo]

The Serenity reporter is thread local and tied to a particular thread.

[nitin1989]

Ok. Is there any workaround for logging the content in Serenity report, since its not even logging the API request and response in Serenity report on using SerenityRest class within Callable implementation.

[wakaleo]

You would need to look at the code to figure out a way to do this.