ClassNotFoundException vs NoClassDefFoundError

NoClassDefFoundError Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found. The searched-for class definition existed when the … Read more

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

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)