I am using cucumber 2.3.2 (ruby) to run my tests and generate the tests' results.

I am getting the following error:

```
ERROR: Build step failed with exception
java.lang.ClassCastException: gherkin.deps.com.google.gson.internal.StringMap cannot be cast to java.lang.String
at gherkin.JSONParser.getString(JSONParser.java:225)
at gherkin.JSONParser.location(JSONParser.java:208)
at gherkin.JSONParser.step(JSONParser.java:110)
at gherkin.JSONParser.parse(JSONParser.java:51)
at org.jenkinsci.plugins.cucumber.jsontestsupport.CucumberJSONParser.parse(CucumberJSONParser.java:77)
at org.jenkinsci.plugins.cucumber.jsontestsupport.CucumberJSONParser.parse(CucumberJSONParser.java:43)
at org.jenkinsci.plugins.cucumber.jsontestsupport.DefaultTestResultParserImpl$ParseResultCallable.invoke(DefaultTestResultParserImpl.java:159)
at org.jenkinsci.plugins.cucumber.jsontestsupport.DefaultTestResultParserImpl$ParseResultCallable.invoke(DefaultTestResultParserImpl.java:105)
at hudson.FilePath.act(FilePath.java:990)
at hudson.FilePath.act(FilePath.java:968)
at org.jenkinsci.plugins.cucumber.jsontestsupport.DefaultTestResultParserImpl.parse(DefaultTestResultParserImpl.java:99)
at org.jenkinsci.plugins.cucumber.jsontestsupport.CucumberJSONParser.parse(CucumberJSONParser.java:99)
at org.jenkinsci.plugins.cucumber.jsontestsupport.CucumberTestResultArchiver.perform(CucumberTestResultArchiver.java:112)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)
at hudson.model.Build$BuildExecution.post2(Build.java:185)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)
at hudson.model.Run.execute(Run.java:1763)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Build step 'Publish Cucumber test result report' marked build as failure
Finished: FAILURE
```
Attached is the json file.