While learning and learning Java 9 from eclipse. I am creating a simple project in eclipse. Although when compiling the project, it prints the expected result of the program, but also in the following exception.
Could not instrument class mymodule/App: java.lang.IllegalArgumentException
at org.eclipse.jdt.launching.internal.org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.eclipse.jdt.launching.internal.weaving.ClassfileTransformer.transform(ClassfileTransformer.java:25)
at org.eclipse.jdt.launching.internal.javaagent.Premain$1.transform(Premain.java:51)
at java.instrument/java.lang.instrument.ClassFileTransformer.transform(Unknown Source)
at java.instrument/sun.instrument.TransformerManager.transform(Unknown Source)
at java.instrument/sun.instrument.InstrumentationImpl.transform(Unknown Source)
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(Unknown Source)
at java.base/java.security.SecureClassLoader.defineClass(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(Unknown Source)
at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Unknown Source)
at java.base/sun.launcher.LauncherHelper.loadMainClass(Unknown Source)
at java.base/sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Java code:
package mymodule;
import java.util.List;
public class App {
public static void main(String[] args) {
List<String> immutables = List.of("Food", "Water", "House");
System.out.println(immutables.get(0));
}
}
module-info.java file
module mymodule {
}
source
share