Only when using Freemarker templates instead of JSP pages, I am running into an NPE exception that is raised when I use dynamic attributes on Stripes layout-render tags. The stack trace indicates:
Caused by: java.lang.NullPointerException
at net.sourceforge.stripes.tag.layout.LayoutRenderTag.setDynamicAttribute(LayoutRenderTag.java:101)
The problem is that the context property of the LayoutRenderTag class is not initialized before the call is made to the setDynamicAttribute(String, String, Object) method. I can hack together a fix for this by calling the initialize() method of the LayoutRenderTag class whenever the context is found to be null at the start of the setDynamicAttribute(String, String, Object) method. That works but it makes me nervous. I am not clear on why the setName method of the LayoutRenderTag class is not being called first and I am not confident that the initialization will always work when required.
This has only become a problem for me since exploring the implications of migrating to Stripes 1.3.7 and Freemarker 2.3.19 from Stripes 1.3.6 and Freemarker 2.3.17.
Regards
Geoff Shuetrim
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