Why If any error occur in rails server will close? - ruby-on-rails

In the Ruby on rails,Why if any error occured in the code server has shutdown? It didn't shows, actually what is the error. How can i solve this Problem? please give me a solution for this.
When i got the error the server should show the error, don't close the server.
I Got this Type of errors.

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neo4j Remote guide error neo4j TypeError: Failed to fetch

I try to write my own neo4j-guide as described at neo4j.
Neither my own example nor the included restaurant_recommendation.html seems to work. If I call in chrome http://localhost:8080/play/html/restaurant_recommendation.html I get a clean page.
If I call :play http://localhost:8080/play/html/restaurant_recommendation.html I get
Remote guide error
TypeError: Failed to fetch
Any suggestion what's wrong or how to analyze it?
The problem was the cors. So I installed a chrome-plugin CORS_TOGGLE which solves the problem for me.

Parse error: syntax error, unexpected end of file, unable to access admin console

I have what I perceive to be an unusual "syntax" error (at least to my very rookie junior dev self it is unusual)
I have a WP website that was originally built and designed by a friend, who wanted me to help. After logging on and attempting to upload a new theme to the website, legendsofthestands.com, I received the following error message:
Parse error: syntax error, unexpected end of file in
/home/kcsuperf/public_html/legendsofthestands.com/wp-content/themes/zerif-lite/functions.php
on line 1028
The problem isn't so much the error message, it is now that I'm not able to access the admin login page without seeing the same error. My understanding is that this is due to plugins that need to be deactivated so that I can access the /wp-admin page. However, when I try to access the admin console via FTP, I keep getting the 530 login failed error message.
I'm not sure which route to go at this point, whether I should try and contact the hosting company to resolve the logon issue, or if there is a way to fix the parse/syntax issue without having seen the code (since it is a WP-installed site).
Any assistance is appreciated.

heroku error with rails app: Error with build stream, polling for results

For some reason, when I push a rails app to heroku, I am getting the following error:
Error with build stream, polling for results..................
It never actually return errors after that. The dots keep on increasing. The only line of code I've changed since the last commit was html in a view file. I added:
<p>For more info, please contact us at info#mysite.com</p>
I've used heroku before and never received this error. how do i fix it?
I had the same problem. According to the site they're aware of the problem and are working on it.
https://status.heroku.com/incidents/711#update-2433

"<Program> has stopped working" explanation

Can someone explain me when Windows shows this message?
What do i have to do to stop my Program from throwing this exception?
I have a Delphi Windows Forms Program which throws this message short after doing some SQL operations.
So i do the SQL, everything seems fine at first, but at a random time after that windows is killing it by showing this message...
the intresting thing is, it only occours while debugging.
When i'm not debugging it's running perfectly stable.
EDIT: Using RAD-Studio2009
I dont want to turn off the message completely(Only hint i found by using Google)
i want to stop my program giving windows a Reason to do that.
Windows shows this message when an unhandled exception leaks out of your application. This is a fatal condition. Something very wrong has happened with your application because exceptions should all be caught.
You need to work out what is throwing the exception and why it is not being caught. The very first step is to expand the details of the error dialog and find out which module the fault is occurring in, what the fault is and so on. That should yield some high level clues at the very least.
Most likely the Delphi debugger will not be able to help you for such a fault. You need to configure your system to arrange for a crash dump to be produced by the Windows Error Reporting service. Then you can load up the error report in a tool like WinDbg and try to figure it out.

Unexpected error on ACDOAuthSigner connection

Has anyone gotten this exception before? If so, what does it mean? I get this occasionally when trying to save a new account to an ACAccountStore. So far I haven't been able to find any information as to what the problem is.
'Unexpected error on ACDOAuthSigner connection: Error Domain=XPCObjectsErrorDomain Code=2'

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