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Proxy connection failures on corporate networks can be the most frustrating developer experiences. I am suggesting that more information is printed in the IDE log on such failure, perhaps a link to suggested solutions. There are currently open IDE bugs in the proxy area - I don't know which applies in my case. I read a suggestion to install a proxy selector plugin but how can I install it if I cannot connect to the internet? In my case, I CAN connect using 2 browsers, IE and FireFox. I copy the configurations and NetBeans cannot connect. Apparently, FireFox has a better algorithm for proxy configuration than Java / NetBeans.
I am suggesting that diagnostics information is printed in the log on failure of the "Test connection" function in the configuration dialog.
Please attach the IDE log - http://wiki.netbeans.org/FaqLogMessagesFile
Created attachment 152686 [details] IDE log IDE log attached. Additional information: I am logged in as a user which is different from the user whose authentication credentials (for WebMarshal proxy) I enter in the connection test dialog. I know that the credentials that I provide in the dialog work because I copied them from my maven settings file which the IDE uses to run maven scripts successfully.