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https://issues.apache.org/jira/browse/JXPATH-80?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489886
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Nico Max commented on JXPATH-80:
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I've tracked this down and I think I was able to resolve the issue.
First off, my testbean was not public as for one reason for the test to fail
... :-)
There is a method retrieving the length of a collection-like result of a bean
getter in BeanPropertyPointer, but a real check for the NULL-case was missing,
so I've patched that.
Unfortunately this does not fix your findings so I guess this issue should stay
open.
> boolean conversion of javabean getter values returning NULL fails
> -----------------------------------------------------------------
>
> Key: JXPATH-80
> URL: https://issues.apache.org/jira/browse/JXPATH-80
> Project: Commons JXPath
> Issue Type: Bug
> Affects Versions: 1.2 Final
> Environment: java.runtime.name=Java(TM) SE Runtime Environment
> java.runtime.version=1.6.0-b105
> java.specification.name=Java Platform API Specification
> java.specification.vendor=Sun Microsystems Inc.
> java.vm.info=mixed mode
> java.vm.name=Java HotSpot(TM) Client VM
> Reporter: Nico Max
> Priority: Minor
> Attachments: test.java
>
>
> According to the JXPath User Guide a Javabean Getter returning NULL,
> regadless of the type, will be converted bo Boolean FALSE. But trying to
> build a boolean expression from this fails as the attached testcase shows.
> It seems that the type the bean getter returns matters, as a NULL String for
> example works as expected.
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