Connection reset by peer: socket write error

Connection reset by peer: socket write error是什么错误
query.findInBackground().subscribe(new Observer>() {
@Override
public void onSubscribe(Disposable disposable) {
System.out.println("onSubscribe=" + disposable);
}

            @Override
            public void onNext(List<AVObject> avObjects) {
                System.out.println("onNext=" + avObjects.size());
                for (int j = 0; j < avObjects.size(); j++) {
                    objectIdList.add(avObjects.get(j).getObjectId());//统计要更新的List
                    updateList.add(avObjects.get(j));
                }
            }

            @Override
            public void onError(Throwable throwable) {
                System.out.println("onError=" + throwable.getMessage());
            }

            @Override
            public void onComplete() {
                System.out.println("onComplete=");
            }
        });

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