Hi Max,

> I was able to fix this by switching from JexlExpression to JexlScript. I
> have a small patch that I'm happy to contribute!

Yes, that would be great!  Please open also a Jira issue so that the
problem shows up in the Changelog.

Thanks!

Best,
Sebastian

On 10/11/21 6:34 AM, Max Ockner wrote:
According to the commons-jexl change logs, a breaking change was released
in 3.0:

"Syntactically enforce that expressions do not contain statements:
POTENTIAL EXPRESSION BREAK! (ie an expression is not a script and can NOT
use 'if','for'... and blocks)"

I was able to fix this by switching from JexlExpression to JexlScript. I
have a small patch that I'm happy to contribute!



On Sun, Oct 10, 2021 at 3:30 PM Max Ockner <maxock...@gmail.com> wrote:

Hello,

I'm trying to use JEXL expressions similar to the ones described here
https://issues.apache.org/jira/browse/NUTCH-2368.

I consistently get an error parsing my "if" statement.

I can reproduce with a simpler expression:
-Dgenerate.max.count.expr='if (true) {return 2} else {return 1}'

I'm running 1.19 on java 11 (also tried with java 8).

Has anyone else seen this problem?

Thanks,
Ma



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