乐观锁冲突重试时并没有更新版本号

[roverbeta]

do {
numAttempts++;
try {
ret = goodsMapper.reduceStockByVersion(sg);
} catch (Exception e) {
e.printStackTrace();
}
if (ret != 0)
break;
} while (numAttempts < DEFAULT_MAX_RETRIES);

[zaiyunduan123]

已修复，谢谢