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In this video, update our app configuration to improve its performance.
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[Jim Hoskins] So right now what we are dealing with is a problem
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when we tried to sign in.
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We got a 500 error as soon as we tried to log in to our site.
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By looking at the logs, we can see that there was a NoMethodError,
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"valid_password?" for user, which makes me think that there is something a little bit funny
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with Authlogic, the library we're using for authentication.
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Now, what I've done is I've taken this string right here and put it into Google
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and I have taken a look to see if anybody else has had this problem.
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After a little bit of Googling, I think the problem can be resolved
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