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/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
 
    public class LambdaTypeInferenceProblem {
 
    	class ATest<E extends B>
    	{
 
    	    private E find(C<? extends E> CObj)
    	    {
    	        return null;
    	    }
 
    	    public void findCs(List<? extends C<? extends E>> cList)
    	    {
 
    	    	find(new C());// This compiles fine
    	    	for (C cObj : cList)
    	            {
    	            	E cachedEntity = find(cObj); // This cause error in java 8 but works fine in java 7
    	            }
    	    }
    	}
 
    	 class B{
    	 }
 
    	 class C <T> {
    	 }
    }
 
 
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

Java HotSpot(TM) Client VM warning: No monotonic clock was available - timed services may be adversely affected if the time-of-day clock changes
Main.java:27: error: incompatible types: Ideone.LambdaTypeInferenceProblem.B cannot be converted to E
    	            	E cachedEntity = find(cObj); // This cause error in java 8 but works fine in java 7
    	            	                     ^
  where E is a type-variable:
    E extends Ideone.LambdaTypeInferenceProblem.B declared in class Ideone.LambdaTypeInferenceProblem.ATest
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error

Standard output is empty