Merge pull request ozimov#16 from enisher/master

Throw an exception if redis has not been started.

src/main/java/redis/embedded/RedisServer.java

@@ -194,7 +194,12 @@ private void awaitRedisServerReady() throws IOException {
 			String outputLine = null;
 			do {
 				outputLine = reader.readLine();
-			} while (outputLine != null && !outputLine.matches(REDIS_READY_PATTERN));
+
+                if (outputLine == null) {
+                    //Something goes wrong. Stream is ended before server was activated.
+                    throw new RuntimeException("Can't start redis server. Check logs for details.");
+                }
+            } while (!outputLine.matches(REDIS_READY_PATTERN));
 		} finally {
 			reader.close();
 		}