Libraries and class path JDeveloper Project Properties

We could not run the project for any reason.

When we check in Project properties, we see the Red and yellow warning signs.

The JDeveloper version is  11.1.2.2.0 and the project works perfectly today. 

An Unexpected Server error has occurred in JDeveloper

We are using JDeveloper version 11.1.2.2.0 and I have installed all the updates available.
Whenever restart the JDeveloper, the Unexpected Error appears.
An unexpected server error has occurred in JDeveloper
The program  may be unstable, which could result in data loss. Decide how you want to proceed and click OK.

Getting An Unexpected Server error has occurred in a popup and showing some option to continue,save all etc.,.

Wish to know reason to get when it appears  re-start the JDeveloper.

 According to John, it will be a  typed the error message from memory.
How to clear it?

Disappear EAR File - black hole JDeveloper

  

Apparently, there was a black hole in the JDeveloper.

We have done:

application->application properties menu.

Navigate to the deploy section and create a new deployment profile -

define the list of files that will be included and other aspects of application.

using one of the Fusion or Java EE application template

1. Click "Application" -> Deploy -> "default deploy selection for your app"

2. Select "Deploy to Ear" -> Finish

In the EAR Deployment Profile Property

C:\user\Jdeveloper|WebApp\deploy\appEAR.ear

But the deploy folder does not exist.

If you know how to see the EAR File, please educate us.

application properties->deployment, and edit the deployment profile - 
specify the name and location for the EAR file

Domain for different Computer

What is Listen Address?

Elasticity - Thank InoL

MM/DD/RRRR VS MM/DD/YYYY

Group Filters

the Group is between the query and the layout.
When we used, REP 1288