Deploying sample-php-portlet causes NPE

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 Beta 4
• Fix Version/s: 7.0.0 Beta 7
• Component/s: Legacy, Legacy > PHP Portlet
• Labels:
  • QA-AUTOMATION
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/35772

Steps to reproduce:

1. Deploy the sample-php-portlet
2. Start portal

Expected Result:
Portal starts without errors.

Actual Result:
There is a NPE when deploying the portlet.

SEVERE: Exception sending context initialized event to listener instance of class com.liferay.portal.kernel.servlet.PluginContextListener
java.lang.NullPointerException
        at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
        at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1125)
        at com.liferay.portal.kernel.util.ClassLoaderPool.register(ClassLoaderPool.java:87)
        at com.liferay.portal.kernel.servlet.PluginContextListener.contextInitialized(PluginContextListener.java:113)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5016)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5528)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1263)
        at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1948)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)

Jan 18, 2016 11:27:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
Jan 18, 2016 11:27:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/sample-php-portlet] startup failed due to previous errors
Jan 18, 2016 11:27:06 PM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class com.liferay.portal.kernel.servlet.PluginContextListener
java.lang.NullPointerException
        at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
        at java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1175)
        at com.liferay.portal.kernel.util.ClassLoaderPool.unregister(ClassLoaderPool.java:104)
        at com.liferay.portal.kernel.servlet.PluginContextListener.contextDestroyed(PluginContextListener.java:100)
        at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:5063)
        at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5723)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:160)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1263)
        at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1948)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)

Jan 18, 2016 11:27:06 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory L:\public\master-bundles\tomcat-7.0.62\webapps\sample-php-portlet has finished in 1,842 ms

Reproduced on:
Tomcat 7.0.62 + MySQL 5.6.26 Portal master GIT ID: b2b7c67f0e069ddce408101652e45e41bd4d7e2d