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Tip of the Day
Expertise: Beginner
Sep 27, 2000



Application Security Testing: An Integral Part of DevOps

How to Rethrow an Exception in Your Code

Use the
method to rethrow a Throwable type of exceptional condition in your code. This is useful if you want to rethrow a exception occurred while using a method or creating a Object but want to avoid the stack trace from these calls.

The intention is to show the stack trace starting from this method or error condition. This a similar to creating a new Object of type Throwable and throwing it as the exception; this happens when the call to

method is made; it returns a new Object of type Throwable filled with the execution stack trace. Example code:
import java.io.IOException;

public class testExceptions

Example of fillInStackTrace
  	void method1() throws Throwable
  	     throw new Throwable("Throwable Exception in method1"); 	
  	void method2() throws Throwable
throw new IOException("Exception in method2");
		catch(Throwable th)
throw th;
  	throw th.fillInStackTrace();
similar to throw new Throwable();

Example of fillInStackTrace
	public static void main(String args[]) throws Throwable
		new testExceptions().method2();			
Mahesh Chulet
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