Spring Assert.notNull--IllegalArgumentException
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Exception in thread "main" java.lang.IllegalArgumentException: Source must not be null
at org.springframework.util.Assert.notNull(Assert.java:115)
at Test.getaVoid(Test.java:11)
at Test.main(Test.java:6)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
import org.springframework.util.Assert;
public class Test {
public static void main(String[] args) {
getaVoid();
System.out.println("hello");
}
private static void getaVoid() {
Assert.notNull(null, "Source must not be null");
}
}