java.lang.ClassNotFoundException after changing nothing in the project but upgrading eclipse android sdk [duplicate]

Right click on your project goto properties. Java Build Path. Choose Order export tab. Make sure that Android Private Libraries is selected. If you have referenced library project. do the same for the library project also. Clean and Build. Also goto android sdk manager and check that you have the android sdk build tools installed. … Read more

Resolving dependency problems in Apache Spark

Apache Spark’s classpath is built dynamically (to accommodate per-application user code) which makes it vulnerable to such issues. @user7337271’s answer is correct, but there are some more concerns, depending on the cluster manager (“master”) you’re using. First, a Spark application consists of these components (each one is a separate JVM, therefore potentially contains different classes … Read more

java ClassNotFoundException for org.h2.Driver

In my case (unrelated a bit, but worth mentioning), I added this to my maven pom, and the error message went away: <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <version>xxx</version> <!– ex: 1.2.140 –> </dependency> or if you are only using h2 during unit testing: <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <version>xxx</version> <!– ex: 1.2.140 –> <scope>test</scope> </dependency>

Java ClassNotFoundException with maven dependency

Change provided to compile Provided This is much like compile, but indicates you expect the JDK or a container to provide the dependency at runtime. For example, when building a web application for the Java Enterprise Edition, you would set the dependency on the Servlet API and related Java EE APIs to scope provided because … Read more

Android ClassNotFoundException: Didn’t find class on path

I don’t know for sure what is your package name, but if it is e.gochat do this. Add package=”e.gochat” to manifest.xml <manifest xmlns:android=”http://schemas.android.com/apk/res/android” package=”e.gochat” ….. ….. > On each activity declaration for android:name put a dot before activity name: <activity android:name=”.MainActivity”> ………… </activity> <activity android:name=”.ChatActivity”> EDIT After your edited I can see e.gochat is your … Read more

java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config [duplicate]

The error is telling you it cannot find the class because it is not available in your application. If you are using Maven, make sure you have the dependency for jstl artifact: <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> If you are not using it, just make sure you include the JAR in your classpath. See this … Read more

java.lang.ClassNotFoundException on working app

Yep, I had this exact same problem. It was because I specified the android:name attribute in the application node in the manifest file. Your Android Manifest file probably looks something like this: <application android:name=”Novak ESC Track guide” android:icon=”@drawable/icon” android:label=”@string/app_name” android:description=”@string/help_text” > Do not use the android:name attribute! unless you’ve implemented a custom Application object. The … Read more

org.glassfish.jersey.servlet.ServletContainer ClassNotFoundException

The problem: java.lang.ClassNotFoundException: org.glassfish.jersey.servlet.ServletContainer indicates that you try to use the Jersey 2.x servlet, but you are supplying the Jersey 1.x libs. For Jersey 1.x you have to do it like this: <servlet> <servlet-name>Jersey REST Service</servlet-name> <servlet-class> com.sun.jersey.spi.container.servlet.ServletContainer </servlet-class> <init-param> <param-name>com.sun.jersey.config.property.packages</param-name> <param-value>sample.hello.resources</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Jersey REST Service</servlet-name> <url-pattern>/rest/*</url-pattern> </servlet-mapping> For more information check … Read more