Thanks. Filed https://bugs.openjdk.java.net/browse/JDK-8027828 to track this issue.

-Sundar

On Tuesday 05 November 2013 02:47 PM, Tal Liron wrote:
OK, after some work I've managed to isolate the bug. This short program will cause the exception:

var x = new java.util.HashMap()
x.put('test', new java.io.File('test'))
if (x.get('test')) {
  print('Found!')
}

The issue seems to be with *casting return values of Java methods* (which should cast to boolean; I don't know why it tries to cast to a java.langNumber). Simple casting a Java object won't cause the exception.

I'll remind you that this bug appeared only in a recent commit (last few days).

On 11/05/2013 03:39 PM, A. Sundararajan wrote:
No, it is hard to debug with cast issue without access to code.


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