启动报错Tomcat的 Document base ……does not exist or is not a readable directory java.lang.IllegalArgumentException:Document base G:\Server\Tomcat 6.0\webapps\XXXX does not exist or is not a readable direct
环境:hive0.13.0和Hadoop2.6 具体现象: [root@master(3.100) ~]# hiveLogging initialized using configuration in file:/work/hadoop/hive/apache-hive-0.13.1-bin/conf/hive-log4j.properties Exception in thread "ma
错误堆栈: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Object[]at android.support.v4.util.SimpleArrayMap.allocArrays(SourceFile:183)at android.support.v4.util.SimpleArrayMap
堆栈如下: Caused by: java.lang.IllegalAccessException: java.lang.Class<com.MainActivity> is not accessible from java.lang.Class<android.app.AppComponentFactory>at java.lang.Class.newInstance(Native Meth
SQL Server 2000 JDBC driver使用:"com.microsoft.jdbc.sqlserver.SQLServerDriver" SQL Server 2005 and 2008 JDBC drive使用:"com.microsoft.sqlserver.jdbc.SQLServerDriver" 而且URL prefix也从"jdbc:microsoft:sqlser
阅读JDK SE源码系列(1) 学java一定听说过Object这个类。按照官方文档的说法,Class Object is the root of the class hierarchy,意思是Object类是java类等级中的根(翻译水平有限,意会就好~~~),那我们就从Object开始看起。 概述 就如刚才所说的,Object类是java中所有类的祖先,即Java中所有的类从根本上都继承