what happens if we deploy a Hook with empty portal.properties file?

In 6.2, if we try to deploy empty portal.properties file we are seeing following error



04:06:01,617 INFO  [localhost-startStop-11][HookHotDeployListener:687] Registering hook for MyHook5CA-hook
04:06:01,620 ERROR [localhost-startStop-11][HookHotDeployListener:1645] Unable to read portal.properties
com.germinus.easyconf.ConfigurationNotFoundException: Error reading configuration for portal: The base properties file was not found
at com.liferay.portal.configuration.easyconf.ClassLoaderComponentConfiguration.getProperties(ClassLoaderComponentConfiguration.java:80)
at com.liferay.portal.configuration.ConfigurationImpl.getComponentProperties(ConfigurationImpl.java:414)
at com.liferay.portal.configuration.ConfigurationImpl.printSources(ConfigurationImpl.java:429)
at com.liferay.portal.configuration.ConfigurationImpl.<init>(ConfigurationImpl.java:78)
at com.liferay.portal.configuration.ConfigurationImpl.<init>(ConfigurationImpl.java:55)
at com.liferay.portal.configuration.ConfigurationFactoryImpl.getConfiguration(ConfigurationFactoryImpl.java:32)
at com.liferay.portal.kernel.configuration.ConfigurationFactoryUtil.getConfiguration(ConfigurationFactoryUtil.java:27)
at com.liferay.portal.deploy.hot.HookHotDeployListener.initPortalProperties(HookHotDeployListener.java:1641)
at com.liferay.portal.deploy.hot.HookHotDeployListener.doInvokeDeploy(HookHotDeployListener.java:698)
at com.liferay.portal.deploy.hot.HookHotDeployListener.invokeDeploy(HookHotDeployListener.java:305)
at com.liferay.portal.deploy.hot.HotDeployImpl.doFireDeployEvent(HotDeployImpl.java:208)
at com.liferay.portal.deploy.hot.HotDeployImpl.fireDeployEvent(HotDeployImpl.java:95)
at com.liferay.portal.kernel.deploy.hot.HotDeployUtil.fireDeployEvent(HotDeployUtil.java:27)
at com.liferay.portal.kernel.servlet.PluginContextListener.fireDeployEvent(PluginContextListener.java:164)
at com.liferay.portal.kernel.servlet.PluginContextListener.doPortalInit(PluginContextListener.java:154)
at com.liferay.portal.kernel.util.BasePortalLifecycle.portalInit(BasePortalLifecycle.java:44)
at com.liferay.portal.kernel.util.PortalLifecycleUtil.register(PortalLifecycleUtil.java:64)
at com.liferay.portal.kernel.util.PortalLifecycleUtil.register(PortalLifecycleUtil.java:56)
at com.liferay.portal.kernel.util.BasePortalLifecycle.registerPortalLifecycle(BasePortalLifecycle.java:54)
at com.liferay.portal.kernel.servlet.PluginContextListener.contextInitialized(PluginContextListener.java:116)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
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:633)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:656)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1635)
at java.util.concurrent.Executors$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)
04:06:01,620 INFO  [localhost-startStop-11][HookHotDeployListener:814] Hook for MyHook5CA-hook is available for use