Java - Multiple markers at this line - java.io.ObjectInputStream

Question

I have a test class.

import javax.swing.JFrame;
public class TestWindow extends JFrame{



}

I use eclipse. This class gives an error on line 1. Error:

Multiple markers at this line
- The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from 
 required .class files
- The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from 
 required .class files

Why i see this error. Normally it should work. How can i fix this error ?

I think you have a confused Eclipse, or a damaged Eclipse or Java installation. The compiler cannot find the ".class" file for a class that should be in the standard Java class library. Try restarting Eclipse, cleaning the project, restarting Eclipse with the "--clean" option. If none of these help, consider reinstalling. — Stephen C
– Stephen C, Commented Feb 10, 2018 at 11:40
I've tried all your advice. Now I'm reinstalling elipse IDE. — Kerem Çakır
– Kerem Çakır, Commented Feb 10, 2018 at 12:07

sulabh singh · Accepted Answer · 2018-02-10 12:10:55Z

0

You can check this link : The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files

I guess it will answer your query.

answered Feb 10, 2018 at 12:10

sulabh singh

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