Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by Salma
, 1 year ago
Unresolved compilation problems: r1 cannot be resolved to a variable r1 cannot be resolved r1 cannot be resolved to a variable
java.lang.Error: Unresolved compilation problems: 
   r1 cannot be resolved to a variable
   r1 cannot be resolved
   r1 cannot be resolved to a variable
	at toStack.Stack.foo(Stack.java:18)	at toStack.Stack.main(Stack.java:13)