An error occurred while processing the template.

Java method "com.liferay.portal.json.JSONFactoryImpl.createJSONObject(String)" threw an exception when invoked on com.liferay.portal.json.JSONFactoryImpl object "com.liferay.portal.json.JSONFactoryImpl@2ad66ae2"; see cause exception in the Java stack trace.

----
FTL stack trace ("~" means nesting-related):
	- Failed at: navigationJSONObject = jsonFactoryUti...  [in template "17855804202317#32484267#LEARN-ARTICLE-NAV" at line 4, column 9]
----

1<#assign

2	groupFriendlyURL = themeDisplay.getScopeGroup().getFriendlyURL()

3	groupPathFriendlyURLPublic = themeDisplay.getPathFriendlyURLPublic() + groupFriendlyURL

4	navigationJSONObject = jsonFactoryUtil.createJSONObject(navigation.getData())

5	navigationMenuItems =

6		{

7			"Analytics Cloud": {

8				"image": "/documents/d${groupFriendlyURL}/analytics_c-svg",

9				"title": "Analytics Cloud",

10				"url": "analytics-cloud"

11			},

12			"Commerce": {

13				"image": "/documents/d${groupFriendlyURL}/commerce_product-svg",

14				"title": "Commerce",

15				"url": "commerce"

16			},

17			"DXP": {

18				"image": "/documents/d${groupFriendlyURL}/dxp_p-svg",

19				"title": "DXP / Portal",

20				"url": "dxp"

21			},

22			"Liferay Cloud": {

23				"image": "/documents/d${groupFriendlyURL}/dxp_c-svg",

24				"title": "Liferay Cloud",

25				"url": "liferay-cloud"

26			},

27			"Reference": {

28				"image": "/documents/d${groupFriendlyURL}/reference-svg",

29				"title": "Reference",

30				"url": "reference"

31			}

32		}

34	breadcrumbJSONArray = navigationJSONObject.getJSONArray("breadcrumb")

35	childrenJSONArray = navigationJSONObject.getJSONArray("children")

36	parentJSONObject = navigationJSONObject.getJSONObject("parent")

37	productJSONObject = breadcrumbJSONArray.getJSONObject(breadcrumbJSONArray.length()-1)!navigationJSONObject.getJSONObject("self")

38	siblingsJSONArray = navigationJSONObject.getJSONArray("siblings")

39/>

41<div class="learn-article-nav">

42	<#if productJSONObject?has_content && productJSONObject.getString("title")?has_content && navigationMenuItems[productJSONObject.getString("title")]?has_content && navigationMenuItems[productJSONObject.getString("title")].title?has_content>

43		<div

44			class="dropdown learn-article-nav-root learn-dropdown"

45		>

46			<div class="learn-article-nav-item">

47				<div class="d-flex">

48					<div class="learn-article-nav-image">

49						<img

50							class="lexicon-icon lexicon-icon-caret-bottom product-icon"

51							role="presentation"

52							src='${navigationMenuItems[productJSONObject.getString("title")].image}'

53							viewBox="0 0 512 512"

54						/>

55					</div>

57					<span class="learn-article-nav-text">${navigationMenuItems[productJSONObject.getString("title")].title}</span>

58				</div>

60				<div id="dropdown-icon">

61					<svg

62						class="lexicon-icon lexicon-icon-caret-bottom"

63						role="presentation"

64						viewBox="0 0 512 512"

65					>

66						<use xlink:href="/o/admin-theme/images/clay/icons.svg#caret-bottom"></use>

67					</svg>

68				</div>

69			</div>

71			<ul class="dropdown-menu learn-dropdown-menu">

72				<#list navigationMenuItems as key, value>

73					<li>

74						<a

75							class="dropdown-item learn-article-nav-item"

76							href="/w/${navigationMenuItems[key].url}/index"

77							tabindex="4"

78						>

79							<span class="d-flex">

80								<span class="learn-article-nav-image">

81									<img

82										class="lexicon-icon lexicon-icon-caret-bottom product-icon mt-0 mr-2"

83										role="presentation"

84										src="${value.image}"height: 25px; margin-left: 5px; max-width: none; width: 25px;

85										viewBox="0 0 512 512"

86									/>

87								</span>

88								<span class="learn-article-nav-text">${value.title}</span>

89							</span>

91							<#if navigationMenuItems[productJSONObject.getString("title")].url == value.url>

92								<span>

93									<@clay["icon"] symbol="check" />

94								</span>

95							</#if>

96						</a>

97					</li>

98				</#list>

99			</ul>

100		</div>

101	</#if>

103	<div class="learn-article-nav-content">

104		<#if parentJSONObject?has_content && parentJSONObject.getString("url")?has_content>

105			<div class="learn-article-nav-item learn-article-nav-parent liferay-nav-item p-2">

106				<div class="mr-2">

107					<a

108						href='${parentJSONObject.getString("url")}'

109					>

110						<svg

111							class="lexicon-icon lexicon-icon-angle-left"

112							role="presentation"

113							viewBox="0 0 512 512"

114						>

115							<use xlink:href="/o/admin-theme/images/clay/icons.svg#angle-left"></use>

116						</svg>

117					</a>

118				</div>

120				<span>${parentJSONObject.getString("title")}</span>

121			</div>

122		</#if>

124		<#if childrenJSONArray.length() gt 0>

125			<ul class="m-0 p-2">

126				<#list 0..childrenJSONArray.length()-1 as i>

127					<li class="learn-article-nav-item">

128						<a

129							class='liferay-nav-item ${(navigationJSONObject.getJSONObject("self").url == childrenJSONArray.getJSONObject(i).url)?then("selected", "")}'

130							href="${childrenJSONArray.getJSONObject(i).url}"

131						>

132							<span>${childrenJSONArray.getJSONObject(i).getString("title")}</span>

133						</a>

134					</li>

135				</#list>

136			</ul>

137		<#elseif siblingsJSONArray.length() gt 0>

138			<ul class="m-0 p-2">

139				<#list 0..siblingsJSONArray.length()-1 as i>

140					<li class="learn-article-nav-item">

141						<a

142							class='liferay-nav-item ${(navigationJSONObject.getJSONObject("self").url == siblingsJSONArray.getJSONObject(i).url)?then("selected", "")}'

143							href="${siblingsJSONArray.getJSONObject(i).url}"

144						>

145							<span>${siblingsJSONArray.getJSONObject(i).getString("title")}</span>

146						</a>

147					</li>

148				</#list>

149			</ul>

150		</#if>

151	</div>

152</div>

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Troubleshooting Templates with Glowroot Freemarker Plugin

Liferay DXP 2023.Q4+/Portal 7.4 GA100+

Glowroot can troubleshoot FreeMarker templates to pinpoint slow transactions.

Configuring the FreeMarker Plugin

Navigate to Configuration → Plugins. Click Liferay FreeMarker Templates Plugin.
The instrumentation can be configured at an INFO, DEBUG, or TRACE level.

The INFO level shows how much time template transformations are taking. The DEBUG level treats each template transformation as a unique transaction for individual inspection. Note that this setting might use more Glowroot overhead. The TRACE level gives more details about the template script and trace details for inspection.

Troubleshooting FreeMarker Templates

Navigate to the Transactions tab and select FreeMarker Templates from the drop-down menu. A list of all template transactions appears.
To see details of a specific transaction, click the Slow traces tab in the transaction panel.
Click a data point to view transaction details. See the transformation times for the template under the Breakdown section.
Scroll down further and click Trace entries. The trace is expanded to show details of the fragment transformation.