Issues in installshield project, calling dns.gethostentry throws exception

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code :

string name =Dns.GetHostEntry(machineName).HostName

Dns.GetHostEntry throws an exception "

The size of hostName is too long. It cannot be longer than 255 characters.

"
Stacktrace :

at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)


  at System.Net.Dns.GetHostEntry(String hostNameOrAddress)

What I have tried:

I am calling this function from script written in installshield project. I tried upgrading dotnet framework.

Posted 3-Sep-19 21:35pm

Member 11435767

Updated 6-Sep-19 7:28am

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jimmson 4-Sep-19 3:46am

Are you sure you are passing the hostname and not something else?

Member 11435767 4-Sep-19 3:57am

Yes I have tried code same code of line in Console App. It gets executed perfectly. But the issue with installshield script. When calling from installshield script giving this exception

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Richard Deeming · Answer 1 · 2019-09-06T07:28:00

Solution 1

The value you're passing in machineName is too long. A host name cannot be longer than 255 characters.

You haven't shown the code that's initializing that variable, so we can't tell you why the value is wrong.

Posted 6-Sep-19 7:28am

Richard Deeming