hexadecimal value 0x00 is an invalid character line 1 position 1 - Using Umbraco 7

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Ibrahim 3 posts 83 karma points

Feb 29, 2016 @ 07:12

0

'.', hexadecimal value 0x00, is an invalid character. Line 1, position 1.

Hi guys,

I have around 15 umbraco websites runing on Azure Web Apps Australia East. in the last 2 weeks, MS Azure have been having major storage issues in this data centre.

Right now, I can't log in to any of my Umbraco 6 websites. I'm getting the below error right after entering my username and password.

My Umbraco 7 websites are fine.

I have looked around some of the config files trying to spot any corruprion without any luck.

The websites are still serving content, it is only broken when I try to login to the backend.

Any help or guidance with this issue is much appreciated.

Thanks, Ibrahim

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Sebastiaan Janssen 5058 posts 15520 karma points MVP admin hq

Feb 29, 2016 @ 07:17

100

You're likely affected by this problem: http://issues.umbraco.org/issue/U4-5126

Check your applications.config/trees.config.

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Ibrahim 3 posts 83 karma points

Feb 29, 2016 @ 07:24

0

Hi Sebastiaan,

Thanks for your prompt response. You were spot on, the trees.config file is corrupted.

Can I just restore that file from backup?

Thanks,

Ibrahim

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Sebastiaan Janssen 5058 posts 15520 karma points MVP admin hq

Feb 29, 2016 @ 07:26

0

Sure, hopefully you're using source control.

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Ibrahim 3 posts 83 karma points

Feb 29, 2016 @ 07:34

0

Thanks,

I have just restored trees.config from backup and everything is working fine now.

Ibrahim

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'.', hexadecimal value 0x00, is an invalid character. Line 1, position 1.