[PortletServlet:109] Unable to process portlet com_liferay_dispatch_web_internal_portlet_DispatchPortlet: java.lang.reflect.UndeclaredThrowableException

Issue

• Navigate to Control Panel > Configuration > Job Scheduler > Scheduled Jobs, and after clicking the "Run Now" button, it redirects back to the "Job Scheduler Triggers" page instead of executing the job. The following errors appear in the logs.

2024-06-25 12:02:56.631 ERROR [http-nio-8081-exec-4][PortletServlet:109] Unable to process portlet com_liferay_dispatch_web_internal_portlet_DispatchPortlet: java.lang.reflect.UndeclaredThrowableException
javax.portlet.PortletException: java.lang.reflect.UndeclaredThrowableException
      at com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand.processAction(BaseMVCActionCommand.java:56) ~[portal-kernel.jar:?]
      at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:393) ~[portal-kernel.jar:?]
      at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:75) ~[portal-kernel.jar:?]
      at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.processAction(MVCPortlet.java:247) ~[portal-kernel.jar:?]
      at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:68) ~[portal-impl.jar:?]
      at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:41) ~[portal-kernel.jar:?]
      at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:105) ~[portal-kernel.jar:?]
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) ~[servlet-api.jar:4.0.FR]
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Caused by: java.lang.NullPointerException
	at com.liferay.portal.scheduler.quartz.internal.QuartzSchedulerEngine.run(QuartzSchedulerEngine.java:295) ~[?:?]
      	at com.liferay.portal.scheduler.multiple.internal.ClusterSchedulerEngine.run(ClusterSchedulerEngine.java:247) ~[?:?]
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_411]
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_411]
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_411]
      	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_411]
      	at com.liferay.portal.scheduler.multiple.internal.ClusterableProxyFactory$ClusterableInvocationHandler.invoke(ClusterableProxyFactory.java:54) ~[?:?]
      	at com.sun.proxy.$Proxy330.run(Unknown Source) ~[?:?

Environment

• Liferay DXP 7.4+
• Quarterly Releases:
  • 2023.Q3+
  • 2023.Q4+
  • 2024.Q1+

Resolution

• The observed behavior has been addressed by: LPD-33139
• Based on the above LPD, this issue has been resolved starting from 2024.Q2.12 release.

Additional Information

• If a hotfix is required or any more information on this, please create a support ticket requesting a hotfix by attaching patch details.
• Installing Fix Packs and Hotfixes on Liferay DXP will guide you to install this hotfix in the respective environment.