Cannot unsubscribe from document discussion subscriptions

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP8, 7.2.10.2 DXP SP3, 7.2.X, 7.3.3 CE GA4, 7.3.10 DXP GA1, Master
• Component/s: Comments
• Labels:
  • liferay-dxp-72-sp3
  • liferay-fixpack-dxp-8-7210
  • pt-upgrade-review
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Story Points: 1
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/89717

Steps to Reproduce:
1. Startup a Liferay DXP 7.0 environment.
2. Upload some documents and subscribe to some of them.
3. Stop Liferay and upgrade to master
4. Startup Liferay on master.
5. Unsubscribe from a document that was subscribed to during step 2

Expected Results
Unsubscribing is successful
Actual Results
Unsubscribing is unsuccessful and an exception is thrown.

2020-05-29 14:22:12.609 WARN  [http-nio-8080-exec-5][code_jsp:176] {code="500", msg="", uri=/c/portal/comment/discussion/edit}
javax.servlet.ServletException: com.liferay.asset.kernel.exception.NoSuchEntryException: No AssetEntry exists with the key {classNameId=20015, classPK=34981}
	at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:427)
	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:154)
	at com.liferay.portal.internal.servlet.MainServlet.doPost(MainServlet.java:214)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
	at com.liferay.portal.internal.servlet.MainServlet.service(MainServlet.java:621)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.uploadservletrequest.UploadServletRequestFilter.processFilter(UploadServletRequestFilter.java:112)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.servlet.filters.lockout.LockoutFilter.processFilter(LockoutFilter.java:58)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:340)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:88)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:250)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
	at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:183)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:389)
	at com.liferay.portal.servlet.filters.urlrewrite.UrlRewriteFilter.processFilter(UrlRewriteFilter.java:65)
	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:104)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.liferay.asset.kernel.exception.NoSuchEntryException: No AssetEntry exists with the key {classNameId=20015, classPK=34981}
	at com.liferay.portlet.asset.service.persistence.impl.AssetEntryPersistenceImpl.findByC_C(AssetEntryPersistenceImpl.java:3654)
	at com.liferay.portlet.asset.service.impl.AssetEntryLocalServiceImpl.getEntry(AssetEntryLocalServiceImpl.java:297)
	at sun.reflect.GeneratedMethodAccessor532.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:66)
	at com.sun.proxy.$Proxy637.getEntry(Unknown Source)
	at com.liferay.asset.kernel.service.AssetEntryLocalServiceWrapper.getEntry(AssetEntryLocalServiceWrapper.java:604)
	at sun.reflect.GeneratedMethodAccessor532.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:66)
	at com.sun.proxy.$Proxy638.getEntry(Unknown Source)
	at sun.reflect.GeneratedMethodAccessor532.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.liferay.portal.spring.aop.AopMethodInvocationImpl.proceed(AopMethodInvocationImpl.java:50)
	at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:69)
	at com.liferay.portal.spring.aop.AopMethodInvocationImpl.proceed(AopMethodInvocationImpl.java:57)
	at com.liferay.portal.spring.aop.AopInvocationHandler.invoke(AopInvocationHandler.java:49)
	at com.sun.proxy.$Proxy98.getEntry(Unknown Source)
	at com.liferay.comment.taglib.internal.struts.EditDiscussionStrutsAction.subscribeToComments(EditDiscussionStrutsAction.java:174)
	at com.liferay.comment.taglib.internal.struts.EditDiscussionStrutsAction.execute(EditDiscussionStrutsAction.java:121)
	at com.liferay.portal.struts.ActionAdapter.execute(ActionAdapter.java:40)
	at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:414)
	... 81 more