创建验证码的jsp页面提示错误:has already been called for this response <%@ page contentType="image/jpeg" %><%@ page import="java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*"%><%!Color getRandColor(int fc,int bc){ //在确定的范围中获得随机…
solr官方给出的解决方式是: DataImportHandler is designed to stream row one-by-one. It passes a fetch size value (default: 500) to Statement#setFetchSize which some drivers do not honor. For MySQL, add batchSize property to dataSource configuration with value -1…