Openfire pade plugin installation error

Openfire Plugins
1

Hi,
the following error occured when i try to upload pade plugin on openfire, i have placed plugin at C:\Openfire\plugins.

[1;31mERRORe[m [PluginMonitorTask-2]: org.jivesoftware.openfire.container.PluginMonitor - An exception occurred while trying to extract plugin 'pade':
java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method) ~[?:1.8.0_381]
	at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_381]
	at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_381]
	at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_381]
	at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_381]
	at org.jivesoftware.openfire.container.PluginMonitor$MonitorTask.unzipPlugin(PluginMonitor.java:442) [xmppserver-4.7.5.jar:4.7.5]
	at org.jivesoftware.openfire.container.PluginMonitor$MonitorTask.run(PluginMonitor.java:271) [xmppserver-4.7.5.jar:4.7.5]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_381]
	at java.util.concurrent.FutureTask.runAndReset(Unknown Source) [?:1.8.0_381]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) [?:1.8.0_381]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) [?:1.8.0_381]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_381]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_381]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_381]
2

An error like this can occur when the file that’s being uploaded is corrupted, is not the correct file, or if some kind of operating system error happened (such as a file permissions issue).