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    Look if your classpath is correct, and check if the versions of your libraries match the version you described in your pom.xml

Solutions on the web

via Coderanch by tracey ruark, 1 year ago
tests/ClassToBeLoaded (wrong name: ClassToBeLoaded)
via Oracle Community by 629856, 1 year ago
dmardemo (wrong name: oracle/dmardemo)
via Oracle Community by 807598, 1 year ago
input (wrong name: re adtext/input)
via Oracle Community by 807601, 4 months ago
via Coderanch by Matthew Paul, 1 year ago
VehicleTest (wrong name: practice/VehicleTest)
java.lang.NoClassDefFoundError: tests/ClassToBeLoaded (wrong name: ClassToBeLoaded)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.access$000(Unknown Source)	at java.net.URLClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at URLClassLoaderTesting.main(URLClassLoaderTesting.java:20)