don't discard original exception (suspiciously/possibly eclipse-generated)

core/src/main/java/org/elasticsearch/index/mapper/object/ObjectMapper.java

@@ -355,7 +355,7 @@ public class ObjectMapper extends Mapper implements AllFieldMapper.IncludeInAll,
         try {
             clone = (ObjectMapper) super.clone();
         } catch (CloneNotSupportedException e) {
-            throw new RuntimeException();
+            throw new RuntimeException(e);
         }
         return clone;
     }

core/src/test/java/org/elasticsearch/benchmark/scripts/score/script/NativeNaiveTFIDFScoreScript.java

@@ -70,7 +70,7 @@ public class NativeNaiveTFIDFScoreScript extends AbstractSearchScript {
                     score += indexFieldTerm.tf() * indexField.docCount() / indexFieldTerm.df();
                 }
             } catch (IOException e) {
-                throw new RuntimeException();
+                throw new RuntimeException(e);
             }
         }
         return score;

core/src/test/java/org/elasticsearch/common/util/concurrent/CountDownTests.java

@@ -43,7 +43,7 @@ public class CountDownTests extends ESTestCase {
                     try {
                         latch.await();
                     } catch (InterruptedException e) {
-                        throw new RuntimeException();
+                        throw new RuntimeException(e);
                     }
                     while (true) {
                         if(frequently()) {

core/src/test/java/org/elasticsearch/http/netty/NettyHttpServerPipeliningTests.java

@@ -214,7 +214,7 @@ public class NettyHttpServerPipeliningTests extends ESTestCase {
                     Thread.sleep(timeout);
                 } catch (InterruptedException e1) {
                     Thread.currentThread().interrupt();
-                    throw new RuntimeException();
+                    throw new RuntimeException(e1);
                 }
             }
 

core/src/test/java/org/elasticsearch/transport/netty/KeyedLockTests.java

@@ -112,7 +112,7 @@ public class KeyedLockTests extends ESTestCase {
             try {
                 startLatch.await();
             } catch (InterruptedException e) {
-                throw new RuntimeException();
+                throw new RuntimeException(e);
             }
             int numRuns = scaledRandomIntBetween(5000, 50000);
             for (int i = 0; i < numRuns; i++) {