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https://issues.apache.org/jira/browse/JEXL-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Biestro updated JEXL-459:
-------------------------------
Assignee: Henri Biestro
> Add infomation about exceptions thrown inside empty function
> ------------------------------------------------------------
>
> Key: JEXL-459
> URL: https://issues.apache.org/jira/browse/JEXL-459
> Project: Commons JEXL
> Issue Type: Wish
> Affects Versions: 3.6.2
> Reporter: Mirek Hankus
> Assignee: Henri Biestro
> Priority: Major
>
> Currently empty function swallows all exceptions
>
> {code:java}
> @Override
> protected Object visit(final ASTEmptyFunction node, final Object data) {
> try {
> final Object value = node.jjtGetChild(0).jjtAccept(this, data);
> return operators.empty(node, value);
> } catch (final JexlException xany) {
> return true;
> }
> } {code}
> I'd like to have ability to log information about such exceptions. For
> example expression
> {code:java}
> empty('aaa'.substring(400,500)) {code}
> returns true, but it is very costly operation.
> Please add something like
> {code:java}
> if (isSilent() && logger.isWarnEnabled()) {
> logger.warn(xany.getMessage(), xany.getCause());
> } {code}
> or any other way of logging problems in expressions.
>
> similar problem is with size - which also ignores all exceptions
> {code:java}
> @Override
> protected Object visit(final ASTSizeFunction node, final Object data) {
> try {
> final Object val = node.jjtGetChild(0).jjtAccept(this, data);
> return operators.size(node, val);
> } catch (final JexlException xany) {
> return 0;
> }
> } {code}
>
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