ReactNative问题随记 想运行在真机上,在运行命令react-native run-android遇到错误如下: Scanning 559 folders for symlinks in D:\AppData\Project\android\AwesomeProject\node_modules (46ms)JS server already running. Building and installing the app on the device (cd android &&…

继上一篇Hive: Exception in thread "main" java.lang.RuntimeException: Hive metastore database is not initialized. Please use schematool (e.g. ./schematool -initSchema -dbType ...) to create the schema. If needed, don't forget to include the option to…

问题描述: storm版本:1.2.2,kafka版本:2.11.   在使用storm去消费kafka中的数据时,发生了如下错误. [root@node01 jars]# /opt/storm-1.2.2/bin/storm jar MyProject-1.0-SNAPSHOT-jar-with-dependencies.jar com.suhaha.storm.storm122_kafka211_demo02.KafkaTopoDemo stormkafka SLF4J: Class pat…

hive安装时遇到的问题 解压后指定了hive-env.sh文件的Hadoop_home  & hive_conf 两个参数后,先直接bin/hive 用Derby数据库启动一下,然后再配置其他的数据源 下面的异常时没有安装mysql的驱动,异常提示在最后一行cause by 里面才显示,所以注意看自己的驱动是否添加 [fan@master hive-0.13.1-cdh5.3.6]$ bin/hive Logging initialized using configuration in jar…

一.情况描述 使用idea +scala+spark,运行程序代码如下: package cn.idcast.hello import org.apache.spark.rdd.RDD import org.apache.spark import org.apache.spark.SparkConf import org.apache.spark.SparkContext /** * Author itcast * Desc 演示Spark入门案例-WordCount */ object Wor…

学习架构探险,从零开始写Java Web框架时,在学习到springAOP时遇到一个异常: "C:\Program Files\Java\jdk1.7.0_40\bin\java" -Didea.launcher.port=7533 "-Didea.launcher.bin.path=D:\JetBrains\xxIntelliJ IDEA 2016.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program F…

在学习CGlib动态代理时,遇到如下错误: Exception in thread "main" java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter.<init>(I)V 经过百度上寻找答案,是jar包冲突导致,解决方案: 把cglib.jar包换成cglib-nodep-2.2.jar,便可以解决这个错误: cglib-nodep-2.2.jar文件下载路径:http://files.cnblogs.com…

运行时出现错误:Exception in thread "main" java.lang.NullPointerException 该问题多半是由于用到的某个对象只进行了声明,而没有初始化,即没有被new. 找到32行:heightTextField.addFocusListener(this); 前面有:JTextField heightTextField;只创建了heigthTextField对象,编写程序时没有报错,但是没有new,不能add. 错误原因:heigthTextFi…

Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:240) at sun.security.util.SignatureFileVerifier.…

Exception in thread "main" java.lang.ExceptionInInitializerErrorCaused by: java.util.MissingResourceException: Can't find bundle for base name javax.servlet.LocalStrings, locale zh_CN at java.util.ResourceBundle.throwMissingResourceException(Res…