Hadoop 2.7.4 The reason is this: originally, DataStreamer::closeResponder always prints a warning about InterruptedException; since HDFS-9812, DFSOutputStream::closeImpl always forces threads to close, which causes InterruptedException. A simple fix…
hadoop跑任务搞的好好的,后来把hadoop-dir移了一个位置,结果报错: java.io.EOFException: Premature EOF: no length prefix available at org.apache.hadoop.hdfs.protocolPB.PBHelper.vintPrefixed(PBHelper.java:1492) at org.apache.hadoop.hdfs.DFSOutputStream$DataStream…
Jpa自定义查询报错 问题背景 今天遇到一个奇怪的报错"Failed to convert from type [java.lang.Object[]] to type",这个报错,百度上也是很少的,恰恰是这样的问题,引起我了解决的欲望.先看看报错: org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.Object[]] to type [o…
Xamarin Android 编译报错: COMPILETODALVIK : UNEXPECTED TOP-LEVEL error java.lang.OutOfMemoryError: Java heap space 解决: 用记事本打开 xamarin android的项目文件 *.csproj 找到<JavaMaximumHeapSize>节点,我的配置是空的,加上1G后,编译通过. 参考: The fix was to add this section in your .csproj…
错误日志: 2018-11-19 05:23:51,686 WARN [main] util.NativeCodeLoader (NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 2018-11-19 05:23:52,595 INFO [main] Configur…
9.1今天不知道自己瞎搞eclipse的时候按到了什么键,然后再启动程序的时候就会报错: 如下: Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "main"(溢出内存错误) 解决方案: 然后就发现自己原来设置扩大堆内存的没有了,要重新设置 如图: 重新启动项目,OK解决了!!哈哈哈…
错误信息: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 1 at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:492) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:552)Caused by: java.l…
报错现象 Failed on local exception: com.google.protobuf.InvalidProtocolBufferException: Protocol message end-group tag did not match expected tag.; Host Details : local host is: "master/192.168.52.26"; destination host is: "master":9000; 报…
以前用XAMPP的时候就是自然而然装好了就可以用,最近重装了新系统,打算在Windows 10里面配置Apache tomcat.PHP.MySQL的开发环境,迟迟试验不成功,于是直接用了XAMPP,没想到也报错,尴尬至极下定决心要解决这个问题. 这是报错提示:Make sure you have Java JDK or JRE installed and the required ports are free 想到这个start应该是启动了tomcat相关的一个命令行脚本,于是我跑到tomca…
exception java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment CreationTime--2018年9月5日17点09分 Author:Marydon 1.情景展示 在linux服务器下,运行的tomcat,通过java绘制图片的时候报错信息如下: 在本地测试却没有问题 2.原因分析 Java服务器处理图形元素,这些API需要运行一个X-server以便…
错误付现: 严重: Servlet.service() for servlet UserServlet threw exceptionjava.lang.NullPointerException at com.liuyang.servlet.UserServlet.doGet(UserServlet.java:17) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.Http…