添加ESHttpClient.queryAll方法中死循环保护方法

@@ -177,12 +177,19 @@ public class ESHttpClient {
 		QueryResponse returnResponse=new QueryResponse();
 		
 		int size=queryBuilder.getPage().getSize();
+		if(size ==0){
+			return null;
+		}
+		
+		LoopCount loopcount=null;
 		
 		boolean readDone=false;
 		while(!readDone){
 			QueryResponse queryResponse=this.query(queryBuilder);
 			int totalSize=queryResponse.getTotal().intValue();
 			int returnDataSize=queryResponse.getDataList().size();
+		
+			
 			returnResponse.addData(queryResponse.getDataList());
 			int alreadyReadSize=queryBuilder.getPage().getStart()+returnDataSize;
 			if(alreadyReadSize >=totalSize ){
@@ -190,12 +197,24 @@ public class ESHttpClient {
 				returnResponse.setTotal(new Long(totalSize));
 				break;
 			}
+			//为了防止异常的出现死循环
+			if(loopcount==null){
+				loopcount=new LoopCount();
+				loopcount.maxLoopcount=totalSize/size;
+			}else if(loopcount.maxLoopcount <= 0){
+				break;
+			}else{
+				loopcount.maxLoopcount=loopcount.maxLoopcount-1;
+			}
 			queryBuilder.setPage(alreadyReadSize, size);
+			
 		}
 		return returnResponse;
 	}
 	
-	
+	private  class LoopCount{
+		int maxLoopcount=0;
+	}
 	
 	
 	/**