Maven Junit测试用例与java.lang.NoClassDefFoundError崩溃:org/slf4j/LoggerFactory
我一直在尝试为一个服务实现Junit测试用例,该服务返回不同类型的资源,如下面的测试代码所示:Maven Junit测试用例与java.lang.NoClassDefFoundError崩溃:org/slf4j/LoggerFactory,java,maven,junit,dozer,Java,Maven,Junit,Dozer,我一直在尝试为一个服务实现Junit测试用例,该服务返回不同类型的资源,如下面的测试代码所示: public class Tester { MyInfoService myInfoService=null; @Before public void setUp() throws Exception{ myInfoService = new MyInfoService(); System.out.println(" @#$#@ myInfo
public class Tester {
MyInfoService myInfoService=null;
@Before
public void setUp() throws Exception{
myInfoService = new MyInfoService();
System.out.println(" @#$#@ myInfoService ="+myInfoService.getAllMyResourceTypes().size());
}
@Test
public void testResTypeAll() {
List<MyTypeInfoBean> resTypeBeanList = myInfoService.getAllMyResourceTypes();
assertEquals("Testing size for res type...", 18, resTypeBeanList.size());
}
}
公共类测试器{
MyInfoService MyInfoService=null;
@以前
public void setUp()引发异常{
myInfoService=新的myInfoService();
System.out.println(“@#$#@myInfoService=“+myInfoService.getAllMyResourceTypes().size());
}
@试验
public void testResTypeAll(){
List resTypeBeanList=myInfoService.getAllMyResourceTypes();
assertEquals(“测试res类型的大小…”,18,resTypeBeanList.size());
}
}
发生错误的服务类:
public class MyInfoService implements MyInfoServiceRemote {
// some code here
@Override
public List<MyTypeInfoBean> getAllMyResourceTypes() {
List<MyResourceTypeInfoDTO> resourceList = new ArrayList<>();
List<MyTypeInfoBean> resourceListBean = new ArrayList<>();
MyResourceTypeInfoDTO myResTypeInfoDTO = null;
try {
HashMap<Integer,MyConstantsUtilClass.MyResourceTypes> restypemap = (HashMap<Integer, MyResourceTypes>)MyConstantsUtilClass.MyResourceTypes.getRestypemap();
Set<Map.Entry<Integer, MyConstantsUtilClass.MyResourceTypes>> restypemapEntrySet = restypemap.entrySet();
for (Entry<Integer, MyResourceTypes> entry : restypemapEntrySet) {
myResTypeInfoDTO = new MyResourceTypeInfoDTO();
// code to read the entry values and populate my DTO
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// size gets printed, so everything is fine till now
System.out.println("@#$#@ resourceList ="+resourceList.size());
// The resource list is printed correctly above.The problem begins below
Mapper mapper=null;
if (resourceList != null) {
System.out.println("resourceList is not null object");
System.out.print("Original contents of al: ");
try {
// this does not work and get a NoClassDefError
mapper= DozerBeanMapperSingletonWrapper.getInstance(); } catch(Exception e) {
e.printStackTrace();
}
Iterator<MyResourceTypeInfoDTO> itr = resourceList.iterator();
while (itr.hasNext()) {
MyResourceTypeInfoDTO element = (MyResourceTypeInfoDTO) itr.next();
if (mapper == null)
System.out.println("Mapper is NULL");
MyTypeInfoBean beanElement = mapper.map(element, MyTypeInfoBean.class);
resourceListBean.add(beanElement);
}
return resourceListBean;
}
// other methods here
}
java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at org.dozer.DozerBeanMapper.<clinit>(DozerBeanMapper.java:58)
at org.dozer.DozerBeanMapperSingletonWrapper.getInstance(DozerBeanMapperSingletonWrapper.java:43)
at com.inv.service.MyInfoService.getAllResourceTypes(MyInfoService.java:508)
at com.bel.tropo.tester.Tester.setUp(Tester.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<dependency>
<groupId>net.sf.dozer</groupId>
<artifactId>dozer</artifactId>
<version>5.3.2</version>
<exclusions>
<exclusion>
<groupId>*</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
公共类MyInfoService实现MyInfoServiceRemote{
//这里有一些代码
@凌驾
公共列表getAllMyResourceTypes(){
List resourceList=新的ArrayList();
List resourceListBean=new ArrayList();
MyResourceTypeInfoDTO myResTypeInfoDTO=null;
试一试{
HashMap restypemap=(HashMap)MyConstantsUtilClass.MyResourceTypes.getRestypemap();
Set restypemapEntrySet=restypemap.entrySet();
for(条目:restypemapEntrySet){
myResTypeInfoDTO=新的MyResourceTypeInfoDTO();
//读取输入值并填充我的DTO的代码
}
}捕获(例外e){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
//尺寸会打印出来,所以到现在为止一切都很好
System.out.println(“@#$#@resourceList=“+resourceList.size()”);
//上面正确打印了资源列表。问题从下面开始
映射器映射器=空;
if(resourceList!=null){
System.out.println(“resourceList不是空对象”);
系统输出打印(“al的原始内容:”);
试一试{
//这不起作用,会得到一个NoClassDefError
mapper=DozerBeanMapperSingletonWrapper.getInstance();}catch(异常e){
e、 printStackTrace();
}
迭代器itr=resourceList.Iterator();
while(itr.hasNext()){
MyResourceTypeInfoDTO元素=(MyResourceTypeInfoDTO)itr.next();
if(映射器==null)
System.out.println(“映射器为空”);
MyTypeInfoBean beanElement=mapper.map(元素,MyTypeInfoBean.class);
添加(beanElement);
}
返回resourceListBean;
}
//这里还有其他方法
}
下面是我在运行Junit测试用例时得到的错误日志:
public class MyInfoService implements MyInfoServiceRemote {
// some code here
@Override
public List<MyTypeInfoBean> getAllMyResourceTypes() {
List<MyResourceTypeInfoDTO> resourceList = new ArrayList<>();
List<MyTypeInfoBean> resourceListBean = new ArrayList<>();
MyResourceTypeInfoDTO myResTypeInfoDTO = null;
try {
HashMap<Integer,MyConstantsUtilClass.MyResourceTypes> restypemap = (HashMap<Integer, MyResourceTypes>)MyConstantsUtilClass.MyResourceTypes.getRestypemap();
Set<Map.Entry<Integer, MyConstantsUtilClass.MyResourceTypes>> restypemapEntrySet = restypemap.entrySet();
for (Entry<Integer, MyResourceTypes> entry : restypemapEntrySet) {
myResTypeInfoDTO = new MyResourceTypeInfoDTO();
// code to read the entry values and populate my DTO
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// size gets printed, so everything is fine till now
System.out.println("@#$#@ resourceList ="+resourceList.size());
// The resource list is printed correctly above.The problem begins below
Mapper mapper=null;
if (resourceList != null) {
System.out.println("resourceList is not null object");
System.out.print("Original contents of al: ");
try {
// this does not work and get a NoClassDefError
mapper= DozerBeanMapperSingletonWrapper.getInstance(); } catch(Exception e) {
e.printStackTrace();
}
Iterator<MyResourceTypeInfoDTO> itr = resourceList.iterator();
while (itr.hasNext()) {
MyResourceTypeInfoDTO element = (MyResourceTypeInfoDTO) itr.next();
if (mapper == null)
System.out.println("Mapper is NULL");
MyTypeInfoBean beanElement = mapper.map(element, MyTypeInfoBean.class);
resourceListBean.add(beanElement);
}
return resourceListBean;
}
// other methods here
}
java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at org.dozer.DozerBeanMapper.<clinit>(DozerBeanMapper.java:58)
at org.dozer.DozerBeanMapperSingletonWrapper.getInstance(DozerBeanMapperSingletonWrapper.java:43)
at com.inv.service.MyInfoService.getAllResourceTypes(MyInfoService.java:508)
at com.bel.tropo.tester.Tester.setUp(Tester.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<dependency>
<groupId>net.sf.dozer</groupId>
<artifactId>dozer</artifactId>
<version>5.3.2</version>
<exclusions>
<exclusion>
<groupId>*</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
java.lang.NoClassDefFoundError:org/slf4j/LoggerFactory
位于org.dozer.DozerBeanMapper(DozerBeanMapper.java:58)
位于org.dozer.DozerBeanMapperSingletonWrapper.getInstance(DozerBeanMapperSingletonWrapper.java:43)
位于com.inv.service.MyInfoService.getAllResourceTypes(MyInfoService.java:508)
位于com.bel.troo.tester.tester.setUp(tester.java:21)
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
我的pom.xml文件正确地提到了推土机依赖项:
public class MyInfoService implements MyInfoServiceRemote {
// some code here
@Override
public List<MyTypeInfoBean> getAllMyResourceTypes() {
List<MyResourceTypeInfoDTO> resourceList = new ArrayList<>();
List<MyTypeInfoBean> resourceListBean = new ArrayList<>();
MyResourceTypeInfoDTO myResTypeInfoDTO = null;
try {
HashMap<Integer,MyConstantsUtilClass.MyResourceTypes> restypemap = (HashMap<Integer, MyResourceTypes>)MyConstantsUtilClass.MyResourceTypes.getRestypemap();
Set<Map.Entry<Integer, MyConstantsUtilClass.MyResourceTypes>> restypemapEntrySet = restypemap.entrySet();
for (Entry<Integer, MyResourceTypes> entry : restypemapEntrySet) {
myResTypeInfoDTO = new MyResourceTypeInfoDTO();
// code to read the entry values and populate my DTO
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// size gets printed, so everything is fine till now
System.out.println("@#$#@ resourceList ="+resourceList.size());
// The resource list is printed correctly above.The problem begins below
Mapper mapper=null;
if (resourceList != null) {
System.out.println("resourceList is not null object");
System.out.print("Original contents of al: ");
try {
// this does not work and get a NoClassDefError
mapper= DozerBeanMapperSingletonWrapper.getInstance(); } catch(Exception e) {
e.printStackTrace();
}
Iterator<MyResourceTypeInfoDTO> itr = resourceList.iterator();
while (itr.hasNext()) {
MyResourceTypeInfoDTO element = (MyResourceTypeInfoDTO) itr.next();
if (mapper == null)
System.out.println("Mapper is NULL");
MyTypeInfoBean beanElement = mapper.map(element, MyTypeInfoBean.class);
resourceListBean.add(beanElement);
}
return resourceListBean;
}
// other methods here
}
java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at org.dozer.DozerBeanMapper.<clinit>(DozerBeanMapper.java:58)
at org.dozer.DozerBeanMapperSingletonWrapper.getInstance(DozerBeanMapperSingletonWrapper.java:43)
at com.inv.service.MyInfoService.getAllResourceTypes(MyInfoService.java:508)
at com.bel.tropo.tester.Tester.setUp(Tester.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<dependency>
<groupId>net.sf.dozer</groupId>
<artifactId>dozer</artifactId>
<version>5.3.2</version>
<exclusions>
<exclusion>
<groupId>*</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
net.sf.推土机
而且)问题似乎没有给我一个解决方案,或者我遗漏了什么?
任何帮助都很好。重申您对推土机的依赖性,如下所示:
<dependency>
<groupId>net.sf.dozer</groupId>
<artifactId>dozer</artifactId>
<version>5.3.2</version>
</dependency>
net.sf.推土机
将SLF4J声明为可传递依赖项,以便在您从Dozer声明中删除不需要的排除项后,它将立即提供给您。
<dependency>
<groupId>
net.sf.dozer
</groupId>
<artifactId>
dozer
</artifactId>
<version>
5.5.1
</version>
</dependency>
net.sf.推土机
推土机
5.5.1
更新dozer版本并进行maven编译/安装,除了消除排除之外,还解决了这个问题。为什么要排除所有可传递的依赖项?@JeroenSteenbeeke我需要在pom.xml文件中明确提到它们吗?我想,只要本地或中央repo中有可用的,就不需要了。我想你误解了我的命令您不需要显式地包含它们,但是您现在所做的是显式地排除它们them@JeroenSteenbeeke很抱歉,仍然没有得到它。我该怎么做?依赖项必须位于Java VM的类路径上。仅将它们放在磁盘上是不够的。排除dozer的所有可传递依赖项对我来说没有意义。如果发生冲突,您可以排除或管理某些依赖项。命令“mvn dependency:tree”显示模块的所有依赖项。它可以帮助您分析模块。我已删除排除标记。无意中复制它是一个错误。但问题仍然存在于不同的日志中。我现在收到StaticLoggerBinder的NoClassDef FoundError。我想我可能必须将我的dozer版本降级到2.2才能工作。net.sf.dozer推土机5.5.1为我解决了这个问题,除了消除了排除。