Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1162
Thank you for pointing out Lens case!
May be we could extract this error handling logic to the method and re-use
it everywhere, so the client code would look like:
```java
this.resultSize =
parseIntegerOrDefault(getProperty(ELASTICSEARCH_RESULT_SIZE), 10);
```
and the API
```java
class Interpreter {
protected Integer parseIntegerOrDefault(String str, Integer defaultValue)
{ }
}
```
This can be done in a separate PR though and include refactoring of all
existing interpreters (this, Lense, Python, etc).
What do you think?
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