NonStringException coming.
Hi Iam showing notifcation for user. On stage environment its working fine but when I went on production its showing following exception: NonStringException:For "?length" left-hand operand: E...
Forum Discussion
@olivier thats the case iam also assuming. Some time subject comes null that's why exception is coming. But iam not sure how to stop that null value or make such condition that it shouldn't show exception.
Have you tried
<#function truncateMaybe string, append = '...'>
<#if (string.attribute)??>
<#if ( string?length < 30 ) >
<#return string>
<#else>
<#return string?substring( 0, 30 ) + append>
</#if>
</#if>
</#function>
You can probably combine the two conditions in one if statement ...
I'm not a freemarker expert, this is just a guess ...
