Staging Remote Live - SSL Connection - Console error and "Fail" Message when remote publishing

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE RC1, 6.2.0 CE RC2, 6.2.0 CE RC3
• Fix Version/s: 6.1.X EE, 6.2.0 CE RC1, 6.2.0 CE RC2, 6.2.0 CE RC3
• Component/s: Staging
• Labels:
  • QA-NA
  • liferay-fixpack-portal-52-6130
• Environment: Tomcat 7 + MySQL 5. Portal ee-6.2.x EE GIT ID: 03b8c10e438ce0f610a8ade7c43570b8bd6744d9.
• Branch Version/s:
  6.1.x
• Backported to Branch:
  Committed
• Fix Priority: 5
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/14315

This bug was found while running this manual cert:
https://github.com/liferay/liferay-qa-ee/blob/master/liferay-portal/6.1.x/staging/6.1%20-%20LP%20-%20Staging%20-%20Remote%20%20Live%20-%20SSL%20Connection.markdown#SaveTheCertificateFromRemoteMachineOnLocalMachine

Steps to reproduce:

1. Set up portal-ext on remote and local machine
2. Modify the hosts file on remote machine
3. Generate certificate keystore with keytool in remote machine
4. Configure tomcat server.xml
5. Start remote instance
6. Create Site
7. Copy certificate into publisher-cert.txt and send it to the local machine
8. Modify the hosts file on local machine
9. Generate certificate keystore with keytool in local machine
10. Configure tomcat server.xml
11. Import the certificate
12. Start local machine
13. Activate Remote Staging
14. Add Web Content Display portlet and add a Web Content Article
15. Mark as ready for publication and publish to remote live

Expected result:
The portlet and content should publish successfully

Actual result:
The portlet and content are published, but the Staging process says Fail and there is a console error:

17:27:54,711 ERROR [liferay/background_task-1][LayoutStagingHandler:92] java.lang.NullPointerException
java.lang.NullPointerException
	at com.liferay.portal.model.LayoutStagingHandler._getLayoutRevision(LayoutStagingHandler.java:150)
	at com.liferay.portal.model.LayoutStagingHandler.<init>(LayoutStagingHandler.java:124)
	at com.liferay.portal.model.LayoutStagingHandler.<init>(LayoutStagingHandler.java:55)
	at com.liferay.portal.service.impl.LayoutLocalServiceStagingAdvice.getProxiedLayout(LayoutLocalServiceStagingAdvice.java:539)
	at com.liferay.portal.service.impl.LayoutLocalServiceStagingAdvice.wrapLayout(LayoutLocalServiceStagingAdvice.java:569)
	at com.liferay.portal.service.impl.LayoutLocalServiceStagingAdvice.wrapReturnValue(LayoutLocalServiceStagingAdvice.java:626)
	at com.liferay.portal.service.impl.LayoutLocalServiceStagingAdvice.invoke(LayoutLocalServiceStagingAdvice.java:141)
	at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111)
	at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.execute(DefaultTransactionExecutor.java:62)
	at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:51)
	at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111)
	at com.liferay.portal.spring.aop.ServiceBeanAopProxy.invoke(ServiceBeanAopProxy.java:175)
	at com.liferay.portal.security.pacl.PACLInvocationHandler.doInvoke(PACLInvocationHandler.java:62)
	at com.liferay.portal.security.pacl.PACLInvocationHandler.invoke(PACLInvocationHandler.java:51)
	at $Proxy134.getLayout(Unknown Source)
	at com.liferay.portal.service.LayoutLocalServiceUtil.getLayout(LayoutLocalServiceUtil.java:227)
	at com.liferay.portal.lar.backgroundtask.LayoutRemoteStagingBackgroundTaskExecutor.exportLayoutsAsFile(LayoutRemoteStagingBackgroundTaskExecutor.java:156)
	at com.liferay.portal.lar.backgroundtask.LayoutRemoteStagingBackgroundTaskExecutor.execute(LayoutRemoteStagingBackgroundTaskExecutor.java:78)
	at com.liferay.portal.kernel.backgroundtask.SerialBackgroundTaskExecutor.execute(SerialBackgroundTaskExecutor.java:56)
	at com.liferay.portal.backgroundtask.messaging.BackgroundTaskMessageListener.doReceive(BackgroundTaskMessageListener.java:108)
	at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:26)
	at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:72)
	at com.liferay.portal.kernel.messaging.ParallelDestination$1.run(ParallelDestination.java:69)
	at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask._runTask(ThreadPoolExecutor.java:682)
	at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask.run(ThreadPoolExecutor.java:593)
	at java.lang.Thread.run(Thread.java:722)