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https://issues.apache.org/jira/browse/JEXL-403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17759998#comment-17759998
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Xu Pengcheng commented on JEXL-403:
-----------------------------------
I tried at my side and found the problem is caused by setting cache size > 0.
{code:java}
new Engine(new JexlBuilder().cache(100)); {code}
BTW, I read the comment of this method but not quite understand what is in
cache, can you please provide more explanation?
Thanks a lot!
> Failed while evaluating template in loop.
> -----------------------------------------
>
> Key: JEXL-403
> URL: https://issues.apache.org/jira/browse/JEXL-403
> Project: Commons JEXL
> Issue Type: Bug
> Affects Versions: 3.3
> Reporter: Xu Pengcheng
> Assignee: Henri Biestro
> Priority: Major
>
> code:
> {code:java}
> var a = {'a': 1};
> var list = [a, a];
> let map1 = {:};
> for (var item : list) {
> map1[`${item.a}`] = 1;
> } {code}
> The fist iteration is ok, but failed at the second time.
> error stack
> {code:java}
> Caused by: java.lang.ClassCastException: class
> org.apache.commons.jexl3.internal.introspection.MapSetExecutor cannot be cast
> to class org.apache.commons.jexl3.internal.TemplateEngine$TemplateExpression
> (org.apache.commons.jexl3.internal.introspection.MapSetExecutor and
> org.apache.commons.jexl3.internal.TemplateEngine$TemplateExpression are in
> unnamed module of loader 'app')
> at
> org.apache.commons.jexl3.internal.Interpreter.visit(Interpreter.java:1909)
> at
> org.apache.commons.jexl3.parser.ASTJxltLiteral.jjtAccept(ASTJxltLiteral.java:54)
> at
> org.apache.commons.jexl3.internal.Interpreter.executeAssign(Interpreter.java:1558)
> at
> org.apache.commons.jexl3.internal.Interpreter.visit(Interpreter.java:1319)
> at
> org.apache.commons.jexl3.parser.ASTAssignment.jjtAccept(ASTAssignment.java:19)
> at
> org.apache.commons.jexl3.internal.Interpreter.visitBlock(Interpreter.java:615)
> at
> org.apache.commons.jexl3.internal.Interpreter.visit(Interpreter.java:594)
> at org.apache.commons.jexl3.parser.ASTBlock.jjtAccept(ASTBlock.java:35)
> at
> org.apache.commons.jexl3.internal.Interpreter.forIterator(Interpreter.java:700)
> at
> org.apache.commons.jexl3.internal.Interpreter.visit(Interpreter.java:639)
> {code}
> Thanks!
>
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