; import org.apache.avro.io.DatumWriter; import org.apache.avro.specific.SpecificDatumWriter; import...; import org.apache.avro.io.DatumReader; import org.apache.avro.specific.SpecificDatumReader; import...; import org.apache.avro.file.DataFileWriter; import org.apache.avro.generic.GenericData; import org.apache.avro.generic.GenericDatumWriter...; import java.io.File; import java.io.IOException; import org.apache.avro.Schema; import org.apache.avro.file.DataFileReader...; import org.apache.avro.generic.GenericDatumReader; import org.apache.avro.generic.GenericRecord; import
org.apache.maven.archiver.MavenArchiver.getManifest(org.apache.maven.project.MavenProject,org.apache.maven.archiver.MavenArchiveConfiguration...) 解决办法 １．Help — Install New Software add —http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-mavenarchiver
org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJspException...(JspServletWrapper.java:542) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java...:370) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:321) org.apache.jasper.servlet.JspServlet.service...(JspServlet.java:267) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal...(HiddenHttpMethodFilter.java:77) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java
org.apache.jasper.JasperException: org.apache.jasper.JasperException: java.lang.ClassNotFoundException...: org.apache.jsp.jsp.main_jsp 主要问题： 原因：有多个界面有下面这句话 <%@ taglib uri="http://java.sun.com/jstl/core
官网地址：http://avro.apache.org/docs/current/gettingstartedjava.html 原生类型 原生类型如下所示： null: 表示没有值 boolean...--Avro编译插件--> org.apache.avro apache.org/dist/avro/ 序列化 新建源码目录：cn.itcast.demo，测试类命：AvroDemo 开发步骤：...org.apache.avro.io.DatumWriter; import org.apache.avro.specific.SpecificDatumWriter; import java.io.File...; import org.apache.avro.io.DatumReader; import org.apache.avro.specific.SpecificDatumReader; import
package com.simple.test; import java.util.Date; import java.util.Iterator; import java.util.Map; import org.apache.commons.lang3....ArrayUtils; import org.apache.commons.lang3.ClassUtils; import org.apache.commons.lang3.RandomStringUtils...; import org.apache.commons.lang3.StringEscapeUtils; import org.apache.commons.lang3.StringUtils; import... org.apache.commons.lang3.SystemUtils; import org.apache.commons.lang3.math.NumberUtils; import org.apache.commons.lang3....time.DateFormatUtils; import org.apache.commons.lang3.time.DateUtils; import org.junit.Test; public
错误：Page-encoding specified in XML prolog (UTF-8) is different from that specifi...
在处理数据库和Java对象之间的映射时，MyBatis提供了一种高度灵活的机制来处理那些在结果集中存在但在Java对象中没有相应属性的未知列。这种机制通过Aut...
在java中调用sqoop接口进行mysql和hdfs直接数据传输时，遇到以下错误： Found interface org.apache.hadoop.mapreduce.JobContext, but
Task Id : attempt_1662133271274_0002_m_000000_1, Status : FAILED Error: java.lang.ClassCastException: org.apache.hadoop.io.LongWritable...cannot be cast to org.apache.hadoop.io.IntWritable 解决方法 Map 类 key的默认输入是 LongWritable 型，不能强转。
c_multipoint Y N c_multilinestring Y N c_multipolygon Y N c_geometrycollection Y N c_json Y Y 读数据结果及不支持字段 avro.schema...) at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:214) at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent...:172) at org.apache.nifi.json.WriteJsonResult.writeValue(WriteJsonResult.java:329) at org.apache.nifi.json.WriteJsonResult.writeRecord...org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1273) at org.apache.nifi.controller.tasks.ConnectableTask.invoke...org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1273) at org.apache.nifi.controller.tasks.ConnectableTask.invoke
错误信息很明确，就是没有找到index_jsp这个class文件。 Jsp本质上就是一个servlet，也就是一个java类，tomcat通过运行编译好的cla...
org.apache.hadoop.ipc.RPC$VersionMismatch: Protocol org.apache.hadoop.hdfs.protocol.ClientProtocol version...(client = 42, server = 41) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:364) at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode...:82) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378) at org.apache.hadoop.fs.FileSystem.access...$200(FileSystem.java:66) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390) at org.apache.hadoop.fs.FileSystem.get...org.apache.hadoop.hbase.master.HMaster: Aborting 2012-02-01 14:41:52,870 DEBUG org.apache.hadoop.hbase.master.HMaster
NoClassDefFoundError: org/apache/avro/LogicalType 这个问题出现了，没有解决，希望再遇到的同学和我一样，按官方jar下载重装解决。
eclipse导入新的maven项目时，pom.xml第一行报错： org.apache.maven.archiver.MavenArchiver.getManifest(org.apache.maven.project.MavenProject..., org.apache.maven.archiver.MavenArchiveConfiguration) 解决办法： 1、Help——>Install New SoftWare 2.
at org.apache.jasper.compiler.TagLibraryInfoImpl....:410) at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475) at org.apache.jasper.compiler.Parser.parseElements...:102) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199) at org.apache.jasper.compiler.Compiler.compile...org.apache.jasper.compiler.Compiler.compile(Compiler.java:341) at org.apache.jasper.JspCompilationContext.compile...org.apache.jasper.compiler.Compiler.compile(Compiler.java:341) at org.apache.jasper.JspCompilationContext.compile
Apache的commons pool组件是我们实现对象池化技术的良好助手。...三、组件特点 org.apache.commons.pool包定义了一部分在创建一个新的对象池实现时十分有用的接口和基本类。
在学习mybatis的第一个练习，求大佬帮助解决 org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.... ### The error may exist in SQL Mapper Configuration ### Cause: org.apache.ibatis.builder.BuilderException...:82) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:66)...(RemoteTestRunner.java:197) Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL...(Resources.java:110) at org.apache.ibatis.io.Resources.getResourceAsStream(Resources.java:97) at org.apache.ibatis.io.Resources.getResourceAsProperties
shutdown.sh时报错如下： Jul 20, 2017 10:19:55 PM org.apache.catalina.startup.Catalina stopServer SEVERE: Could...Jul 20, 2017 10:19:55 PM org.apache.catalina.startup.Catalina stopServer SEVERE: Catalina.stop: java.net.ConnectException...(ServerSocket.java:237) at org.apache.catalina.core.StandardServer.await(StandardServer.java...:427) at org.apache.catalina.startup.Catalina.await(Catalina.java:779) at org.apache.catalina.startup.Catalina.start...(Bootstrap.java:322) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:456) 网上的方法大部分都比较学术
1 org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for.../eclipse20171118 2 at org.apache.zookeeper.KeeperException.create(KeeperException.java:99) 3...at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) 4 at org.apache.zookeeper.ZooKeeper.create...at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 19 at org.junit.runners.ParentRunner...:288) 21 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 22 at org.junit.runners.ParentRunner
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