But it for in common the El-Resolver should be able to convert the 'w' into a
java.lang.Long in this case.
May be this is an issue with Tomcat 7.0.27?
Should somebody (may be I) file this at https://issues.apache.org/ ?
Sincerly,
burghard.britzke
Am 11.06.2012 um 11:22 schrieb burghard.britzke:
> Thank you!
> your tip did it. I changed the property type to string because 119 is more
> ambigous than 'w' in this case.
>
> Sincerly,
> burghard.britzke
>
> Am 11.06.2012 um 09:58 schrieb Konstantin Kolinko:
>
>> 2012/6/11 burghard.britzke <b...@charmides.in-berlin.de>:
>>> with tomcat 7.0.27, primefaces 3.3, myfaces 2.1.17, weld 1.1.8
>>>
>>> for the jsf-source
>>> Line 56: <h:graphicImage
>>> Line 57: value="/images/#{personenBean.aktuellePerson.geschlecht eq 'w'
>>> ? 'fe':''}male.png">
>>> Line 58: </h:graphicImage>
>>>
>>> and the bean
>>> public class Person implements Serializable {
>>> @Column(name = "\"geschlecht\"", nullable = false, length = 1)
>>> private char geschlecht;
>>> ...
>>>
>>> an Exception is thrown
>>>
>>> java.lang.reflect.InvocationTargetException
>>> Caused by:<br/>javax.el.ELException - Cannot convert w of type class
>>> java.lang.String to class java.lang.Long
>>> at org.apache.el.lang.ELSupport.coerceToNumber(ELSupport.java:304)
>>> personen.xhtml at line 57 and column 92
>>> value="/images/#{personenBean.aktuellePerson.geschlecht eq 'w' ?
>>> 'fe':''}male.png"
>>>
>>> At MyFaces Discussion <us...@myfaces.apache.org> they told me this would
>>> probably be an issue with tomcat so I downgraded to Tomcat 7.0.25 and the
>>> error disappeared.
>>> What are the next steps to get rid of this exception with Tomacat 7.0.27?
>>>
>>
>> Yes, Tomcat behaviour changed and new behaviour follows the EL
>> specification more closely. It was because of this bug report:
>> https://issues.apache.org/bugzilla/show_bug.cgi?id=52666
>>
>> See EL specification for more details.
>>
>> According to EL 2.2 ch. 1.18.3 coercion from char to a number is performed as
>> "If A is Character, convert A to new Short((short)a.charValue()) ..."
>>
>> so you have to s/'w'/119/.
>>
>> There might be other workarounds, such as
>> a) Add another property to that bean that will return the value as String
>> b) Use a function such as fn:trim() from JSTL to force conversion of
>> that value into String.
>>
>> Best regards,
>> Konstantin Kolinko
>>
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>
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