workflow with timers fail to publish

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 DXP FP58, 7.0.X, 7.1.X, Master
• Fix Version/s: 7.0.0 DXP FP61, 7.0.X, 7.1.1 CE GA2, 7.1.10 DXP FP4, 7.1.10.1 SP1, 7.1.X, 7.2.X, Master
• Component/s: Business Productivity > Kaleo Designer, Workflow
• Labels:
  • QA-AUTOMATION
  • ee-ts
  • fw_fix_pending
  • liferay-dxp-70-sp10
  • liferay-dxp-71-sp1
  • liferay-fixpack-de-61-7010
  • liferay-fixpack-dxp-4-7110
• Branch Version/s:
  7.2.x, 7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/22211
• QA Test Name:
  • LocalFile.WorkflowDocumentsAndMedia#ApproveInDMFolderCustomWorkflow
• QA Test Score: 5

Here we try to submit the following basic workflow to portal master.
A start node pointing to a task node pointing to an end node.
the task node has a simple timer.

After submiting, console displays:

Caused by: com.liferay.portal.kernel.xml.DocumentException: Error on line 54 of document  : cvc-complex-type.2.4.d: Invalid content was found starting with element 'task-timers'. No child element is expected at this point. Nested exception: cvc-complex-type.2.4.d: Invalid content was found starting with element 'task-timers'. No child element is expected at this point.
	at com.liferay.portal.xml.SAXReaderImpl.read(SAXReaderImpl.java:373)
	at com.liferay.portal.kernel.xml.SAXReaderUtil.read(SAXReaderUtil.java:151)
	at com.liferay.portal.workflow.kaleo.definition.internal.parser.XMLWorkflowModelParser.parse(XMLWorkflowModelParser.java:80)
	... 192 more
Caused by: org.dom4j.DocumentException: Error on line 54 of document  : cvc-complex-type.2.4.d: Invalid content was found starting with element 'task-timers'. No child element is expected at this point. Nested exception: cvc-complex-type.2.4.d: Invalid content was found starting with element 'task-timers'. No child element is expected at this point.
	at org.dom4j.io.SAXReader.read(SAXReader.java:482)
	at org.dom4j.io.SAXReader.read(SAXReader.java:343)
	at com.liferay.portal.xml.SAXReaderImpl.read(SAXReaderImpl.java:370)
	... 194 more

<?xml version="1.0"?>
<workflow-definition
	xmlns="urn:liferay.com:liferay-workflow_7.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:liferay.com:liferay-workflow_7.0.0 http://www.liferay.com/dtd/liferay-workflow-definition_7_0_0.xsd">
	<name>Definition58</name>
	<description></description>
	<version>1</version>
	<state>
		<name>StartNode</name>
		<metadata>
			<![CDATA[{"xy":[100,40]}]]>
		</metadata>
		<initial>true</initial>
		<transitions>
			<transition>
				<name>connector6403</name>
				<target>task4963</target>
				<default>true</default>
			</transition>
		</transitions>
	</state>
	<state>
		<name>EndNode</name>
		<metadata>
			<![CDATA[{"terminal":true,"xy":[100,500]}]]>
		</metadata>
		<actions>
			<action>
				<name>Approve</name>
				<description>Approve</description>
				<script>
					<![CDATA[com.liferay.portal.kernel.workflow.WorkflowStatusManagerUtil.updateStatus(com.liferay.portal.kernel.workflow.WorkflowConstants.getLabelStatus("approved"), workflowContext);]]>
				</script>
				<script-language>groovy</script-language>
				<execution-type>onEntry</execution-type>
			</action>
		</actions>
	</state>
	<task>
		<name>task4963</name>
		<metadata>
			<![CDATA[{"xy":[89,259]}]]>
		</metadata>
		<assignments>
			<user/>
		</assignments>
		<transitions>
			<transition>
				<name>connector7316</name>
				<target>EndNode</target>
				<default>true</default>
			</transition>
		</transitions>
		<task-timers>
			<task-timer>
				<name>t1</name>
				<description>dt1</description>
				<delay>
					<duration>6</duration>
					<scale>second</scale>
				</delay>
				<blocking>false</blocking>
				<timer-actions>
					<timer-action>
						<name>a1</name>
						<description>da1</description>
						<script>
							<![CDATA[]]>
						</script>
						<script-language>beanshell</script-language>
					</timer-action>
				</timer-actions>
			</task-timer>
		</task-timers>
	</task>
</workflow-definition>