package com.model; // Generated 2016-10-27 14:02:17 by Hibernate Tools 4.3.1.Final /** * CmDept generated by hbm2java */ public class CmDept/* implements java.io.Serializable */{ private String id; private String deptName; public CmDept() { } public…

org.hibernate.id.IdentifierGenerationException: Unknown integral data type for ids : java.lang.String id的数据类型要和id的生成策略相对应…

maven install 报错 org.apache.maven.surefire.util.SurefireReflectionException: java.lang.reflect.InvocationTargetException; nested exception is java.lang.reflect.InvocationTargetException: nulljava.lang.reflect.InvocationTargetException at sun.reflect.…

报错栈: -- ::, ERROR [http-bio--exec-] cube.CubeManager: : Error during load cube instance, skipping : /cube/energon_dm_admission_record_fact_01.json java.lang.IllegalStateException: Failed to init CubeDescManager from kylin_metadata@hbase at org.apache…

K-Means聚类算法 def randCent(dataSet, k): m, n = dataSet.shape # numpy中的shape函数的返回一个矩阵的规模,即是几行几列 centrodids = np.zeros(k, n) for i in range(k): index = int(np.random.uniform(0, m)) # centrodids[i, :] = dataSet[index, :] return centrodids 报错TypeError: dat…

自己建了一个实体类 public class MissPoint implements Serializable{ private static final long serialVersionUID = -3623219494524321164L; /*** 时间*/ private String date; /*** 酒店数 */ private Integer count; /*** 酒店id*/ private List<Integer> hotelList; /**需要查询的时间**…

在windows中的intellij中运行wordcount程序,控制台输出以下报错 在Intellij编辑器中解决办法:本地重新创建NativeIO类,修改一个方法返回值,然后用新建的NativeIO类覆盖源码中的NativeIO类.下面会展示.首先按2次shift,找到NativeIO,然后选择 download resource下载源码 然后在项目的java目录下重建一个NativeIO类,用于覆盖该源码,ctrl+A选中NativeIO源码,覆盖掉在java目录下新建的NativeIO类…

WARN hdfs.DFSClient: Caught exception java.lang.InterruptedException 而且日志中没有错误. 官网语句:$ bin/hdfs dfs -put etc/hadoop input 出错语句:$ bin/hdfs dfs -put etc/hadoop /data/hadoop-2.7.3/hdfs 原来是input目录没有按照官网: $ .bin/hdfs dfs -mkdir /user $ .bin/hdfs dfs -mkdi…

参考 http://blog.csdn.net/sunitjy/article/details/6793654…

将myeclipse所配置的tomcat的jdk进行设置:-Xms512m -Xmx512m -XX:MaxNewSize=512m -XX:MaxPermSize=512m,例如以下图:…