运行EvoSuite(java的自动单元测试生成)时的ExceptionInInitializerError

Question

我有以下非常简单的，有目的的错误的java类：

import java.io.InputStream;
import java.util.*;
public class ArrayListError{

public ArrayListError(){
}
public static void makeArray(int i){
ArrayList list = new ArrayList(i);
}
public static void main(String[] args)
{
System.out.println("Enter a number to create arrayList:");
Scanner scanner =new Scanner(System.in);
int i= scanner.nextInt();
makeArray(i);
}

}

当在evosuite cygwin( java -jar evosuite-20120511.jar -setup c:/Users/Eliezer\ Shindler/Desktop/myclasses)上运行时，我得到：

在de.unisb.cs.st.evosuite.setup.ScanProject.main(ScanProject.java:578)处的线程"main“中出现异常，原因是: com.thoughtworks.xstream.converters.ConversionException:无法构造de.unisb.cs.st.evosuite.callgraph.DistanceTransformer$ClassEntry，因为它没有无参数的构造函数:无法构造de.unisb.cs.st.evosuite.callg raph.DistanceTransformer$ClassEntry，因为它没有无参数的构造函数--调试信息-消息:无法构造de.unisb.cs.st.evosuite.callgraph.Distanc eTransformer$ClassEntry，因为它没有无参数的构造函数。原因-异常: com.thoughtworks.xstream.converters.reflection.ObjectAcces sException原因-消息:无法构造de.unisb.cs.st.evosuite.callgraph.Distanc eTransformer$ClassEntry，因为它没有无参数的构造函数类: java。是否需要util.HashSet -类型: de.unisb.cs.st.evosuite.callgraph.DistanceTransformer$Clas sEntry路径: /set/de.unisb.cs.st.evosuite.callgraph.DistanceTransformer $ClassEntry

行号:2

    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshall           er.java:89)
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(A           bstractReferenceUnmarshaller.java:63)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnm           arshaller.java:76)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnm           arshaller.java:60)
    at com.thoughtworks.xstream.converters.collections.AbstractCollectionCon           verter.readItem(AbstractCollectionConverter.java:71)
    at com.thoughtworks.xstream.converters.collections.CollectionConverter.p           opulateCollection(CollectionConverter.java:68)
    at com.thoughtworks.xstream.converters.collections.CollectionConverter.u           nmarshal(CollectionConverter.java:61)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshall           er.java:82)
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(A           bstractReferenceUnmarshaller.java:63)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnm           arshaller.java:76)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnm           arshaller.java:60)
    at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller           .java:137)
    at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarsh           al(AbstractTreeMarshallingStrategy.java:33)
    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:923)
    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:909)
    at com.thoughtworks.xstream.XStream.fromXML(XStream.java:853)
    at de.unisb.cs.st.evosuite.utils.Utils.readXML(Utils.java:301)
    at de.unisb.cs.st.evosuite.callgraph.Hierarchy.readFromDefaultLocation(H           ierarchy.java:113)
    at de.unisb.cs.st.evosuite.setup.TestTaskGenerator.<clinit>(TestTaskGene           rator.java:57)
    ... 1 more

原因: com.thoughtworks.xstream.converters.reflection.ObjectAccessException:无法构造de.unisb.cs.st.evosuite.callgraph.DistanceTransformer$ClassEnt ry，因为它在com的com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProv ider.newInstance(PureJavaReflectionProvider.java:71) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConv erter.instantiateNewInstance(AbstractReflectionConverter.java:308)没有无参数构造函数.thoughtworks.xstream.converters.reflection.AbstractReflectionConv erter.unmarshal(AbstractReflectionConverter.java:161) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshall er.java:82) ...还有19个

我不明白这一点--有没有人能帮帮我--我已经为此挣扎了很久了。有关evosuite文档，请访问www.evosuite.org/documentation

Answer 1

我认为这是一个内部evosuite错误，由于某种原因，在cygwin中运行它。