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Using such generic exceptions as Error, RuntimeException, Throwable, and Exception prevents calling methods from handling true, system-generated exceptions differently than application-generated errors. 
Noncompliant Code Example

public void foo(String bar) throws Throwable {  // Non-Compliant
  throw new RuntimeException("My Message");     // Non-Compliant
}

Compliant Solution

public void foo(String bar) {
  throw new MyOwnRuntimeException("My Message"); 
}

Exceptions

Generic exceptions in the signatures of overriding methods are ignored.
@Override
public void myMethod() throws Exception {...}

See


 MITRE, CWE-397 - Declaration of Throws for Generic Exception