Get error message from e.getMessage() instead of e.message (e.getLocalizedMessage())

[sonots]

Fix #68

@sutoh could you try this?

[sutoh]

@sonots
Thank you for responding quickly. However, I tried it, but the method did not seem to exist.

Exception: embulk-output-bigquery: response:{:message=>"undefined method `getMessage' for #<Google::Apis::ClientError: notFound: Not Found>", :error_class=>NoMethodError}

My environment:

• jruby 2.3.0
• embulk 0.8.15

[sutoh]

Sorry, the above comment seems to be wrong with my implementation. I retried the appropriate log, but it was not localized by the e.getMessage () method.

2017-05-10 04:03:06.052 +0900 [ERROR] (0001:transaction): embulk-output-bigquery: パイプが切断されました (Write failed)

[sonots]

Hmm

[sonots]

I will try this someday again