15:02:11,663 INFO  [stdout] (Appian Plugin Hot Deploy) 2016-07-19 15:02:11,662 [Appian Plugin Hot Deploy] ERROR com.atlassian.plugin.manager.DefaultPluginManager - There was an error loading the descriptor 'Receive File Over SFTP' of plugin 'com.appiancorp.a2.process.runtime.activities.sftp'. Disabling.
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy) com.atlassian.plugin.PluginParseException: Class version is incompatible with current JVM: com.appian.ps.plugins.sftpsmartservices.ReceiveFileOverSFTP
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.module.LegacyModuleFactory.getModuleClass(LegacyModuleFactory.java:54)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.descriptors.AbstractModuleDescriptor.loadClass(AbstractModuleDescriptor.java:175)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.descriptors.AbstractModuleDescriptor.enabled(AbstractModuleDescriptor.java:443)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.appiancorp.plugins.ExceptionHandlingModuleDescriptor.enabled(ExceptionHandlingModuleDescriptor.java:58)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.manager.DefaultPluginManager.notifyModuleEnabled(DefaultPluginManager.java:1447)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.appiancorp.plugins.AppianPluginManager.notifyModuleEnabled(AppianPluginManager.java:65)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.manager.DefaultPluginManager.enableConfiguredPluginModule(DefaultPluginManager.java:1254)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.manager.DefaultPluginManager.enableConfiguredPluginModules(DefaultPluginManager.java:1220)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.manager.DefaultPluginManager.addPlugins(DefaultPluginManager.java:722)
15:02:11,664 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.manager.DefaultPluginManager.scanForNewPlugins(DefaultPluginManager.java:446)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.appiancorp.plugins.AppianPluginManager.scanForNewPlugins0(AppianPluginManager.java:121)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.appiancorp.plugins.AppianPluginManager.scanForNewPlugins(AppianPluginManager.java:113)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.appiancorp.plugins.HotDeployerRunnable.run(HotDeployerRunnable.java:29)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.lang.Thread.run(Thread.java:745)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy) Caused by: java.lang.UnsupportedClassVersionError: com/appian/ps/plugins/sftpsmartservices/ReceiveFileOverSFTP : Unsupported major.minor version 52.0
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.lang.ClassLoader.defineClass1(Native Method)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
15:02:11,665 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2128)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1432)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.Felix.loadBundleClass(Felix.java:1723)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at org.apache.felix.framework.BundleImpl.loadClass(BundleImpl.java:926)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.osgi.util.BundleClassLoaderAccessor.loadClass(BundleClassLoaderAccessor.java:46)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.osgi.factory.OsgiPluginInstalledHelper.loadClass(OsgiPluginInstalledHelper.java:63)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.osgi.factory.OsgiPlugin.loadClass(OsgiPlugin.java:165)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  at com.atlassian.plugin.module.LegacyModuleFactory.getModuleClass(LegacyModuleFactory.java:27)
15:02:11,666 INFO  [stdout] (Appian Plugin Hot Deploy)  ... 19 more
15:02:11,670 INFO  [stdout] (Appian Plugin Hot Deploy) 2016-07-19 15:02:11,670 [Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to enable Plug-in 'SFTP Functions' (com.appiancorp.a2.process.runtime.activities.sftp) version 1.5.1: 'There was a problem loading the descriptor for module 'Receive File Over SFTP' in plugin 'SFTP Functions'.
15:02:11,670 INFO  [stdout] (Appian Plugin Hot Deploy)  Class version is incompatible with current JVM: com.appian.ps.plugins.sftpsmartservices.ReceiveFileOverSFTP'