bsf find class

Cannot find a class or type named "multimarker" is a common error because the library contains more than one ar library.Taking my computer as an example, I installed nyar2 and nyar4psg, so when I run processing, I first searched for nyar2, And the multimarker class was not found, so an error was reported, it does not know that there is another library with this

In command line mode: C:\Documents and Settings\hui.qian>d: d:\>cd D:\java\serializable D:\java\serializable>javac Test.java D:\java\serializable>java Test Error: Main class test could not be found or loaded d:\java\serializable> Java file path: Java files: public class Test implements java.io.serializable{public static void Main (string[] args) { System.out.println ( "HelloWor

Yesterday to a company interview, was stumped by this problem, hey, and lost a good chance.Come back and think about it.The table structure and data are as follows:The SQL statement implemented:The first implementation isSELECT * FROM student a where a.id in (SELECT b.id from student b where B.classid=a.classid ORDER by grade DESC LIMIT 0,3) ;Looks fine, in fact a lot of, first for MySQL, in (can't use limit) there is a syntax error, the second top three not necessarily only 3 bit OHTry to chang

When the JDK is installed or when the JDK was previously installed, the Java file was not found or could not be loaded with Javac when the main class Com.sun.tools.javac.Main, this problem, the Internet is generally said that the environment variable configuration is wrong, this is not true, generally speaking, if your environment is properly configured to have This problem occurs most often because you will have the JRE in the process of installing t

Class, find the area of the rectangle, use the area of the rectangle 1 using System; 2 using System. collections. generic; 3 using System. linq; 4 using System. text; 5 6 namespace Test09 7 {8 // class MyClass1 9 // {10 // private int width = 0; // defines the int type variable, the length of the rectangle is 11 // private int height = 0; // defines the int type

This in our class have many classmates met, think of beginners This problem may be a few, I here on this question to say the reason and solution.The reason is simple:First, the JDK is the development environment JRE is the run Environment JDK installation package that contains the JRE.Installing the JDK will prompt two installation directories, the first is the JDK installation directory, and the second is the JRE installation directory. The friend wh

For example, when Django Admin registers models, it will be used.For the models that comes with the app, you can register it in this way. fromDjango.contribImportAdmin#Register your models here. fromDjango.appsImportApps fromDjango.contrib.admin.sitesImportAlreadyregisteredapp_models= Apps.get_app_config ("CRM"). Get_models ()#get all the model under APP:CRM, get a generator#traversing the registered model forModelinchApp_models:Try: Admin.site.register (model)exceptalreadyregistered:PassHowever

Unit testing in the MAVEN project, but mvn clean after re-mvn the install project, the unit test again, there will be the following error,Strangely, the feeling is that the . class file in the project is deleted, and the MVN install does not recompile the build. can be done byEclipse->project->cleanRecompile and run the unit test again to succeed. MVN clean cannot find a test

If a problem occurs in the afternoon, JNI cannot find the class. The solution is as follows: 1. System variable settings:(1) My computer-properties-advanced-Environment VariablesAdd the system variable java_home: D: \ Program Files \ Java \ jdk1.7.0 _ 01 (the path after Java is installed ),Add % java_home %/bin to the PATH variable,Add the system variable classpath :.; d: \ Program Files \ Android-SDK \ pl

This error occurs when executing commands with Javalocalhost:SocketDemo wangwei$ javac Server.java localhost:SocketDemo wangwei$ java Server 6066错误: 找不到或无法加载主类 Serverif the JDK environment variable is configured correctly, the Java Javac java-version command can be identified.cause of the error :Using the Java command to run the class file directly, the file has a guide code line error. (using Java commands to run files directly in Ecplise is prone to

Build Spring Cloud Project cannot find application class When you first build a cloud project for spring, there is no problem with running the same day, and when you run again the next day, you suddenly burst out of the application error, causing the compilation to pass, the solution is to the project's root directory, the directive:1.MVN clean, dispose target2.MVN compile, recompiling3.MVN Package, repack

First, the topic requirementsThere is a forum for irrigation, information college students like to exchange irrigation above. Legend in the forum there is a "water king", it not only likes to post, but also reply to other IDs issued by each post. The number of "Water kings" has been rumored to have exceeded half the number of posts.If you have a list of posts (including replies) for the current forum, where the author ID of the post is located, design the algorithm to quickly

Find a complete tree class with unlimited classification, and an infinite classification tree Table Field id fid name path Reply to discussion (solution) Http://blog.chinaunix.net/uid-18962755-id-2808388.htmlHttp://www.2cto.com/kf/201009/73581.htmlHttp://www.oschina.net/code/snippet_99943_1452Http://cache.baiducontent.com/c? M = listen p = 8b2a971a91831aff57ee95794e57a5 newp = comment user = baidu

Two workarounds:1. If it is a MAVEN project, add the Servlet-api dependency package: Provided: Indicates that the JDK or container will provide these jars at runtime, which is not required for deployment because the application server must have these things. Provided things are used in compiling and testing, and do not participate in transitive dependencies. 2. If it is not a MAVEN project, add a dependency package in the Java Build path1) Java Build Path2) Add Library ...3) MyEcli

Console.Write ("Please enter the length of the array:"); int k = Int. Parse (Console.ReadLine ()); int[] arr1 = new Int[k]; Console.Write ("array contains values in sequence:"); for (int i = 0; i After-class homework 07--binary method find algorithm code

In linux, I wrote a very simple Hello world Program. When compiling and running the program, an Error occurs: Error: cocould not find or load main class Hello. The CLASSPATH problem was found at last. First, check whether the jdk environment variables are correctly configured. Refer to this article: ubuntu12.04 install and configure jdk1.7. Mainly in the environment variable: Export JAVA_HOME =/usr/ja

After starting HDFs, execute the share directory with the MapReduce program times below errorLocate $hadoop_home/etc/mapred-site.xml and add the following configuration1 2 3 4 5 6 7 8 9 Hadoop 3.1.1 Could not find or Load main class Org.apache.hadoop.mapreduce.v2.app.MRAppMaster

class.The reason for this is that there is no suchVal conf = new sparkconf ()Conf.setmaster ("spark://single:8081"). Setsparkhome ("/cloud/spark-0.9.1-bin-hadoop2"). Setappname ("word count"). Setjars (jars)//This line is not written, plus it's good.. Set ("Spark.executor.memory", "200m")All code:Package Youling.studioImport Org.apache.spark.sparkcontext._Import Org.apache.spark. {sparkconf, Sparkcontext}Import Scala.collection.mutable.ListBuffer/*** Created by Administrator on 2014/11/23.*/Obj

Problem:Original dependency:Pom.xml -Dependency> groupId>Javax.servletgroupId> Artifactid>Servlet-apiArtifactid> version>2.5version> Scope>ProvidedScope>Dependency>Workaround:1. Add Tomcat support (support for Servlet-api.jar packages in the Tamcat lib directory)Then select the configured Tomcat.2. Add Maven DependenciesRemove the dependency of Servlet-api, add Javax.servlet-apiDependency> groupId>Javax.servletgroupId> Artifactid>Javax.servlet-apiArtifactid> version>3.0.1ver

Android to add a system service key step 2010-11-09 11:39:43| Category: android| font size Subscription I would like to intend to directly android-x86 wired network services directly to the arm version of the Android-froyo, according to fromHttp://code.google.com/p/android-x86/downloads/detail?name=0001- Merge-ethernet-support-to-eclair.patch downloaded android-x86 wired patch for porting. But after make Update-api it tells me Frameworks/base/ethernet/java/android/net/ethernet/iethernetmanager.