Don't return JedisConnectionException if pool is exahusted

Fixes #1236

Author: marcosnils

src/main/java/redis/clients/util/Pool.java

@@ -1,6 +1,7 @@
 package redis.clients.util;
 
 import java.io.Closeable;
+import java.util.NoSuchElementException;
 
 import org.apache.commons.pool2.PooledObjectFactory;
 import org.apache.commons.pool2.impl.GenericObjectPool;
@@ -46,6 +47,8 @@ public void initPool(final GenericObjectPoolConfig poolConfig, PooledObjectFacto
   public T getResource() {
     try {
       return internalPool.borrowObject();
+    } catch (NoSuchElementException nse) {
+      throw new JedisException("Could not get a resource from the pool", nse);
     } catch (Exception e) {
       throw new JedisConnectionException("Could not get a resource from the pool", e);
     }

src/test/java/redis/clients/jedis/tests/JedisClusterTest.java

@@ -425,7 +425,7 @@ public void testStableSlotWhenMigratingNodeOrImportingNodeIsNotSpecified()
     assertEquals("foo", jc.get("51"));
   }
 
-  @Test(expected = JedisConnectionException.class)
+  @Test(expected = JedisException.class)
   public void testIfPoolConfigAppliesToClusterPools() {
     GenericObjectPoolConfig config = new GenericObjectPoolConfig();
     config.setMaxTotal(0);

src/test/java/redis/clients/jedis/tests/JedisPoolTest.java

@@ -92,7 +92,7 @@ public void checkPoolRepairedWhenJedisIsBroken() {
     assertTrue(pool.isClosed());
   }
 
-  @Test(expected = JedisConnectionException.class)
+  @Test(expected = JedisException.class)
   public void checkPoolOverflow() {
     GenericObjectPoolConfig config = new GenericObjectPoolConfig();
     config.setMaxTotal(1);

src/test/java/redis/clients/jedis/tests/ShardedJedisPoolTest.java

@@ -17,6 +17,7 @@
 import redis.clients.jedis.ShardedJedisPipeline;
 import redis.clients.jedis.ShardedJedisPool;
 import redis.clients.jedis.exceptions.JedisConnectionException;
+import redis.clients.jedis.exceptions.JedisException;
 
 public class ShardedJedisPoolTest extends Assert {
   private static HostAndPort redis1 = HostAndPortUtil.getRedisServers().get(0);
@@ -99,7 +100,7 @@ public void checkPoolRepairedWhenJedisIsBroken() {
     pool.destroy();
   }
 
-  @Test(expected = JedisConnectionException.class)
+  @Test(expected = JedisException.class)
   public void checkPoolOverflow() {
     GenericObjectPoolConfig config = new GenericObjectPoolConfig();
     config.setMaxTotal(1);