ExceptionUtil (Keikai Spreadsheet Build 6.1.0.1 API)

java.lang.Object
- org.apache.poi.util.ExceptionUtil

```
public class ExceptionUtil
extends Object
```
Utility methods for dealing with exceptions/throwables

Since:

POI 5.2.4

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isFatal(Throwable throwable)`	It is important never to catch all `Throwable`s.
`static void`	`rethrow(Throwable throwable)`	Designed to be used in conjunction with `isFatal(Throwable)`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - isFatal
```
public static boolean isFatal(Throwable throwable)
```
    It is important never to catch all Throwables. Some like InterruptedException should be rethrown. Based on scala.util.control.NonFatal.
    
    Parameters:
    
    throwable - to check
    
    Returns:
    
    whether the Throwable is a fatal error
  - rethrow
```
public static void rethrow(Throwable throwable)
                    throws Error,
                           RuntimeException
```
    Designed to be used in conjunction with isFatal(Throwable). This method should be used with care.
    The input throwable is thrown if it is an Error or a RuntimeException. Otherwise, the method wraps the throwable in a RuntimeException and rethrows that.
    
    Parameters:
    
    throwable - to check
    
    Throws:
    
    Error - the input throwable if it is an Error.
    
    RuntimeException - the input throwable if it is an RuntimeException Otherwise wraps the throwable in a RuntimeException.