classnotfoundexception

问题 When calling javah on a .java file in my android project, javah was unable to find the android classes (specifically android.graphics.Bitmap). here's the terminal output: thomas@THOMASDESKLINUX:~$ javah -classpath .:/home/thomas/Documents/LinuxProgramming/EclipseWorkspace/RenderScene/bin org.me.renderscene.Billboard javadoc: error - In doclet class com.sun.tools.javah.MainDoclet, method start has thrown an exception java.lang.reflect.InvocationTargetException com.sun.tools.javac.code.Symbol

问题 I just added android Facebook SDK to my project to use Facebook ads to promote my app and the app crashes on starting, I got this exception here's the log E/AndroidRuntime: FATAL EXCEPTION: main Process: www.pro_cs_is.com, PID: 20307 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/facebook/appevents/InternalAppEventsLogger; at com.facebook.marketing.internal.MarketingLogger.<init>(MarketingLogger.java:47) at com.facebook.marketing.internal.MarketingInitProvider.setupCodeless

问题 I am getting an error while running this code in Eclipse. I have created Student.java file: package bean; public class Student { private int id; private String name; private String email; private int marks; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public int

问题 I am trying to write a small library that can either be used in a standard java app or as part of a servlet. I have defined a couple of overloaded methods as follows: // imports etc. public ExampleLibrary { /** * This one is meant to be used by a J2SE app */ public String processData(Map headers) throws MyException { // process // return result } /** * This one is meant to be used by a servlet */ public String processData(HttpServletRequest request) throws MyException { // extract headers

问题 I am trying to write a small library that can either be used in a standard java app or as part of a servlet. I have defined a couple of overloaded methods as follows: // imports etc. public ExampleLibrary { /** * This one is meant to be used by a J2SE app */ public String processData(Map headers) throws MyException { // process // return result } /** * This one is meant to be used by a servlet */ public String processData(HttpServletRequest request) throws MyException { // extract headers

问题 I am trying to use the MSSQL driver for JDBC. I have followed the instructions on how to add an external JAR file to the Eclipse Windows IDE as follow: - Download the installation from here http://msdn.microsoft.com/en-us/sqlserver/aa937724.aspx (Microsoft JDBC Driver 4.0 for SQL Server) - Extract the zip to a file location I have extracted it here (c:\MsJDBCforSqlDriver) - In Eclipse Package Explorer right click your project -> Build Path -> Configure Build Path -> Java Build Path ->

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . If I don't run pro-guard on my project, everything is fine but if I run pro-guard and install .apk in device, I am getting above error. I tried adding following lines in proguard-android.txt file -keep public class twitter4j.conf.PropertyConfigurationFactory -dontwarn twitter4j.** but it did not make any

问题 I wrote a console application helloworld.java and ran javac helloworld.java ,and then java helloworld . This worked fine. I then created a package com.abc.project and moved helloworld.java into it(the package import statement is correctly generated which is package com.abc.project; ). And then i ran javac helloworld.java this worked also fine and generated the class properly. However, when I ran java com.abc.project.helloworld from the console, it threw an "class not found" error. Please can

问题 I am running my app on google app engine. All I have is a simple servlet that is trying to use Jsoup. However when I run the application I get java.lang.ClassNotFoundException: org.jsoup.Jsoup. I am using Eclipse so I added the jsoup jar file in the Java Build Path -> Libraries 回答1: You need to put the Jsoup JAR file in the /WEB-INF/lib folder of the webapp. That folder is covered by webapp's default classpath. Also, Eclipse will automagically put all libraries in /WEB-INF/lib folder in the

问题 I am running my app on google app engine. All I have is a simple servlet that is trying to use Jsoup. However when I run the application I get java.lang.ClassNotFoundException: org.jsoup.Jsoup. I am using Eclipse so I added the jsoup jar file in the Java Build Path -> Libraries 回答1: You need to put the Jsoup JAR file in the /WEB-INF/lib folder of the webapp. That folder is covered by webapp's default classpath. Also, Eclipse will automagically put all libraries in /WEB-INF/lib folder in the