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https://issues.apache.org/jira/browse/JEXL-361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17502327#comment-17502327
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Henri Biestro commented on JEXL-361:
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Unfortunately the culprit is not the arithmetic but the Interpreter(Base)
trying to catch errors early. It is doubly unfortunate since fixing the issue
results in breaking existing scripts. Need a 3.2 compatibility Engine...
> Null may be used as operand silently even in arithmetic strict(true) mode
> -------------------------------------------------------------------------
>
> Key: JEXL-361
> URL: https://issues.apache.org/jira/browse/JEXL-361
> Project: Commons JEXL
> Issue Type: Bug
> Affects Versions: 3.2.1
> Reporter: Henri Biestro
> Assignee: Henri Biestro
> Priority: Major
> Fix For: 3.3
>
>
> It appears null may be used as an operator argument despite arithmetic
> strictness.
> {code}
> var i = null;
> if (i < 0) {...}
> {code}
> Should fail when arithmetic is strict.
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