Norm McEntire

Norm McEntire is a lead member of the Itron Idea Labs team working on IoT and Smart City solutions. He also is a software engineering professor at UC San Diego Extension. Norm founded Servin Corporation in 1995 to provide computer training, consulting, and software development with a focus on Android, iOS, and Linux. With 25+ years of experience, he has designed both hardware and software at all levels, from embedded Linux to enterprise software. His training clients include Dell, HP, IBM, Intel, NCR, and Qualcomm.

Kesalahan terjadi ketika Memproses Template. 
The following has evaluated to null or missing:
==> authorContentdata.items  [in template "44616#44647#183853" at line 20, column 22]

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Tip: It's the step after the last dot that caused this error, not those before it.
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Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
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FTL stack trace ("~" means nesting-related):
	- Failed at: authorContentitems = authorContentdat...  [in template "44616#44647#183853" at line 20, column 1]
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1<#-- 
2Add elements from the sidebar to define your template. Type "${" to use the 
3autocomplete feature. 
4--> 
5<#-- *Permission issue with guest user* 
6<#assign currentEntry = (request.getAttribute("LIFERAY_SHARED_LAYOUT_ASSET_ENTRY"))! /> 
7<#assign classPK = currentEntry.classPK /> 
8--> 
9 
10<#assign  
11currentURL = themeDisplay.getURLCurrent() 
12fullURLPath = currentURL?split("/") 
13urlData = fullURLPath[2] 
14removedParams = urlData?split("?") 
15friendlyURLPath = removedParams[0] 
16/> 
17 
18<#assign 
19authorContentdata = restClient.get("/headless-delivery/v1.0/structured-content-folders/148280/structured-contents?filter=friendlyUrlPath%20eq%20%27" + friendlyURLPath + "%27") 
20authorContentitems = authorContentdata.items 
21/> 
22<#if authorContentitems?has_content> 
23<#assign 
24authorContent = authorContentitems[0] 
25contentFields = authorContent.contentFields 
26categories=authorContent.taxonomyCategoryBriefs 
27authorContentData = jsonFactoryUtil.createJSONObject(authorContent) 
28friendlyURL = authorContentData.friendlyUrlPath 
29authorCategoryId = "0" 
30/> 
31 
32<#list categories as category > 
33				     <#assign authorCategoryId = category.taxonomyCategoryId /> 
34      </#list> 
35 
36 
37<span class="d-none" id="author-id">${authorCategoryId}</span> 
38</#if> 
39<script> 
40AUI().ready(function(){ 
41  const authorID = document.getElementById("author-id").innerHTML; 
42  if(authorID) { 
43	setTimeout(function(){ 
44    document.querySelector('[name="categoryId"][value="'+authorID+'"]').closest('label').click() 
45  }, 1000); 
46	} 
47}); 
48</script>