Thanks for your answer!!
i move all files in a new folder (WebIdeFiles), delete and re-unzip eclipse and director files, exec the instruction and the error is the same.
MacBook-Pro-de-Christian:director chvalenz$ ./director -repository jar:file:/Users/chvalenz/WebIdeFiles/updatesite.zip\!/ -installIU com.sap.webide.orionplugin.feature.feature.group -destination /Applications/SAPWebIDE/eclipse
Installing com.sap.webide.orionplugin.feature.feature.group 1.12.6.
Installation failed.
Cannot complete the install because one or more required items could not be found.
Software being installed: Feature 1.12.6 (com.sap.webide.orionplugin.feature.feature.group 1.12.6)
Missing requirement: resource 1.28.7 (com.sap.ui5.resource 1.28.7) requires 'package javax.servlet 0.0.0' but it could not be found
Cannot satisfy dependency:
From: SAPUI5 Runtime (Server-side Components) 1.28.6 (com.sap.ui5.runtime.feature.feature.group 1.28.6)
To: com.sap.ui5.resource [1.28.7]
Cannot satisfy dependency:
From: Feature 1.12.6 (com.sap.webide.orionplugin.feature.feature.group 1.12.6)
To: com.sap.ui5.runtime.feature.feature.group [1.28.6]
Application failed, log file location: /Users/chvalenz/Applications/SAPWebIDE/director/configuration/1447699510359.log