控制台错误信息: 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/ZXService]]     at java.u…

数据库字段类型为Date,转成JSON格式会有问题,解决方案如下: json-lib有一个配置类JsonConfig通过JsonConfig可以注册一个字段处理器实现JsonValueProcessor接口即可 JsonConfig config = new JsonConfig(); config.registerJsonValueProcessor(java.sql.Date.class, new JsonValueProcessor() { private SimpleDateFormat…

https://segmentfault.com/a/1190000016937108…

public static String randomKey(){ Random random = new Random(); int key = random.nextInt(((int)System.currentTimeMillis())); return String.valueOf(key); } 直接调用方法,发生异常: Exception in thread "main" java.lang.IllegalArgumentException: n must be posi…

先前在local模式下,什么都不做修改直接运行./spark-shell 运行什么问题都没有,然后配置过在HADOOP yarn上运行,之后再在local模式下运行出现以下错误: java.lang.IllegalArgumentException: Error while instantiating 'org.apache.spark.sql.hive.HiveSessionState': at org.apache.spark.sql.SparkSession$.org$apache$spa…

是因为 Caused by: java.lang.IllegalArgumentException: Result Maps collection does not contain value for IStudentDaoMapper.Mapperdao.select是因为resultmaper的值错了…

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.ca.a…

用mybaits 写一个关联查询 查询商品表关联商品规格表,并查询规格表中的数量.价格等,为了sql重用性,利用 association 节点 查询 结果并赋值报错 商品表的mapper文件为GooodsMapper.xml 规格表的mapper 文件为GoodsSpecificationsMapper.xml java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for m…

org.hibernate.QueryException: JPA-style positional param was not an integral ordinal; nested exception is java.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinal 在用jpa nativequery语句中,用s…

这是因为用了一次以上(多次)mbg导致sql映射文件堆积导致的异常,删除对应的sql映射文件,然后重新生成即可. Caused by: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.kinome.rm.dao.SysSysinfoMapper.BaseResultMap at org.apache.ibatis.session.Configuration$Stri…