kettel的stream lookup报错: you can't use the 'integer-pair' algorithm when you have more than one key or value-field or value in not an integer. 去外国网站看了 wiki基本没用 http://wiki.pentaho.com/display/EAI/Stream+Lookup some forums给了我答案 http://forums.pentaho.co…

1.StreamToMemoryStream MemoryStream StreamToMemoryStream(Stream instream) { MemoryStream outstream = new MemoryStream(); ; byte[] buffer = new byte[bufferLen]; ; , bufferLen)) > ) { outstream.Write(buffer, , count); } return outstream; } 2.Stream.Len…

错误信息: Exception in thread "main" javax.xml.stream.FactoryConfigurationError: Provider com.bea.xml.stream.MXParserFactory not found at javax.xml.stream.FactoryFinder.newInstance(FactoryFinder.java:72) at javax.xml.stream.FactoryFinder.find(Factor…

报错现象: Exception in thread "main" com.typesafe.config.ConfigException$UnresolvedSubstitution: reference.conf @ jar:file:/bigdata/app/flink-1.0-SNAPSHOT-jar-with-dependencies.jar!/reference.conf: 804: Could not resolve substitution to a value: ${a…

启动tomcat catalina.out报错如下,登陆的时候无法显示验证码 2017-06-09 11:23:06,628 DEBUG org.springframework.web.servlet.DispatcherServlet 845 - DispatcherServlet with name 'spring-mvc' processing GET request for [/data-analysis/kaptchaImage.do]2017-06-09 11:23:06,629 D…

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…

一.问题描述 使用xadmin实现Django后台功能时,使用search_fields = [字段名,字段名],在搜索的时候报错Related Field got invalid lookup: icontains 二.问题分析 search_fields 控制可以通过搜索框搜索的字段名称,search_fields=()或search_fields=[],xadmin使用的是模糊查询 报错信息翻译出来为:相关字段的查找无效,因为search_fields中的项不是字符类型,例如字段类型是Fo…

调试问题: Can't find a source file at "/tmp/TI_MKLIB6sLCzz/SRC/exit.c" Locate the file or edit the source lookup path to include its location 解决:来自ECLIPSE的WIKI: http://wiki.eclipse.org/CDT/User/FAQ#Debugging_C.2FC.2B.2B_Projects DETAIL: I'm using cy…

@Resource 出错 java.lang.NoSuchMethodError: javax.annotation.Resource.lookup() maven项目中,使用@Resource报错.......... 原因1:不存在javax.annotation这个包,正常情况不会有这个问题.jdk中有这个包. 原因2:jar包冲突:导入多个jar包,jdk中一个,再导入1个jar包,或者服务器lib中有这个jar包.例如Tomcat服务器下Lib目录下存在这个包,java.annotati…

连接Mysql5.7版本的数据库出现报错:Authentication to host '171.13.164.***' for user 'root' using method 'mysql_native_password' failed with message: Reading from the stream has failed.不是每次都报,偶尔报错. 最终在Mysql官网的bug提交区发现已经有人也遇到同样的问题并给出了解决方案,引起此错误的主要原因是在Mysql5.7版本中引入了S…