Use final.
diff --git a/src/test/java/org/apache/commons/crypto/CryptoTest.java b/src/test/java/org/apache/commons/crypto/CryptoTest.java
index ca16fba..7c6762f 100644
--- a/src/test/java/org/apache/commons/crypto/CryptoTest.java
+++ b/src/test/java/org/apache/commons/crypto/CryptoTest.java
@@ -50,7 +50,7 @@
public void testMain() throws Throwable {
try {
Crypto.main(new String[0]);
- } catch (Throwable e) {
+ } catch (final Throwable e) {
final Throwable loadingError = Crypto.getLoadingError();
System.err.println("Special case; LoadingError = " + loadingError);
throw loadingError != null ? loadingError : e;