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Product Version = NetBeans IDE Dev (Build 201509080002) Operating System = Linux version 3.13.0-63-generic running on amd64 Java; VM; Vendor = 1.8.0_51 Runtime = Java HotSpot(TM) 64-Bit Server VM 25.51-b03 Reproducibility: Happens every time Attempting to install JRebel plugin from a downloaded file. From the Plugins dialog, downloaded tab, clicked Add Plugins button. Navigated to the nbm file and selected it. No error message was shown - found the error in the IDE log. Re-downloaded the nbm file and it worked OK. Should show an error message to the user if/when this error is encountered. Cannot open NBM file /tmp/1440423641_jr-ide-nb-6.2.3.nbm: java.util.zip.ZipException: zip file is empty To reproduce: try the add proedure with an empty nbm file.
Created attachment 155982 [details] IDE log
Reassigned for further evaluation.