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http://www.stripesframework.org/jira/browse/STS-579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11424#action_11424
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Michael Day commented on STS-579:
---------------------------------
I just discovered the this bug has other side effects. For example, on my
<stripes:label> element, the "class" attribute is lost by the time the page is
rendered. So I cannot apply a CSS class to my <label>.
> multiple <stripes:radio> tags with same name attribute causes NPE
> -----------------------------------------------------------------
>
> Key: STS-579
> URL: http://www.stripesframework.org/jira/browse/STS-579
> Project: Stripes
> Issue Type: Bug
> Components: Tag Library
> Affects Versions: Release 1.5
> Reporter: Michael Day
>
> Seems when I have two radios with the same name, I get NPE. One difference I
> found between 1.4.3 and 1.5rc1 is that all of the attributes except for
> "type" are cleared out in InputTagSupport#doEndTag(). When I remove that bit
> of code, everything seems to work...
> HTML code example:
> <stripes:radio name="response" value="1" />
> <stripes:radio name="response" value="2" />
> java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:157)
> at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:730)
> at
> net.sourceforge.stripes.util.bean.PropertyExpression.getExpression(PropertyExpression.java:84)
> at
> net.sourceforge.stripes.util.bean.BeanUtil.getEvaluation(BeanUtil.java:112)
> at
> net.sourceforge.stripes.util.bean.BeanUtil.getPropertyValue(BeanUtil.java:62)
> at
> net.sourceforge.stripes.tag.DefaultPopulationStrategy.getValueFromActionBean(DefaultPopulationStrategy.java:127)
> at
> net.sourceforge.stripes.tag.DefaultPopulationStrategy.getValue(DefaultPopulationStrategy.java:70)
> at
> net.sourceforge.stripes.tag.InputTagSupport.getOverrideValueOrValues(InputTagSupport.java:90)
> at
> net.sourceforge.stripes.tag.InputTagSupport.getSingleOverrideValue(InputTagSupport.java:103)
> at
> net.sourceforge.stripes.tag.InputRadioButtonTag.doEndInputTag(InputRadioButtonTag.java:108)
> at
> net.sourceforge.stripes.tag.InputTagSupport.doEndTag(InputTagSupport.java:442)
> ...
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