当我尝试结合使用JAX-WS Web服务端点类和简单的CDI注入时，我遇到奇怪的行为。当我尝试将对象注入WebService实现类时，永远不会调用注入对象的PostConstruct方法。实际上，类构造函数也不会被调用。
这是我的JAX-WS实现类和注入点：
@WebService(serviceName="eNC3BusinessWebService")
public class eNC3BusinessWebServiceImpl
{
@WebMethod
public SubmissionValidationResults xmlValidation(String xml, String submissionType, String schemaVersion)
throws SOAPException
{
// Validate schema
SubmissionValidationResults results = fileSubmissionServiceHandler.validateXML(xml, submissionType,
schemaVersion);
return results;
}
@Inject
private FileSubmissionServiceHandler fileSubmissionServiceHandler;
@Inject
private BRSubmissionService brSubmissionService;
}
这是我注入的类FileSubmissionServiceHandler：
public class FileSubmissionServiceHandler
{
public FileSubmissionServiceHandler()
{
System.out.println("Constructor being called on FileSubmissionServiceHandler");
}
@PostConstruct
public void init()
{
final String webserviceURL = "https://hostname/FileSubmissionService/FileSubmissionService.svc";
final String username = "username";
final String password = "password";
this.webservice = new BasicHttpsBinding_IFileSubmissionServiceProxy(username, password);
Descriptor desc = webservice._getDescriptor();
desc.setEndpoint(webserviceURL);
}
public SubmissionValidationResults validateXML(String xml, String submissionType,
String schemaVersion) throws WebServiceException
{
SubmissionValidationResults results = null;
FormType type = FormType.getByName(submissionType);
String submissionTypeCode = type.getCode();
try
{
results = this.webservice.validateXmlFile(xml, submissionTypeCode, schemaVersion);
}
catch (Exception e)
{
logger.error("Internal FileSubmissionService threw an exception", e);
throw e;
}
return convertSubmissionValidationResults(results);
}
private BasicHttpsBinding_IFileSubmissionServiceProxy webservice;
}
我被要求发布服务器XML（由于一次运行Liberty配置文件的两个副本，所以覆盖了端口设置）：
<server description="new server">
<!-- Enable features -->
<featureManager>
<feature>jaxws-2.2</feature>
<feature>servlet-3.1</feature>
<feature>cdi-1.2</feature>
</featureManager>
<!--For a user registry configuration, configure your user registry. For
example, configure a basic user registry using the basicRegistry element.
Specify your own user name below in the name attribute of the user element.
For the password, generate an encoded password using bin/securityUtility
encode and add it in the password attribute of the user element. Then uncomment
the user element. -->
<basicRegistry id="basic" realm="BasicRealm">
<user name="wasadmin" password="{xor}KD4sPjsyNjE=" />
</basicRegistry>
<keyStore password="{xor}KD4sPjsyNjE=" />
<!-- To access this server from a remote client add a host attribute to
the following element, e.g. host="*" -->
<httpEndpoint host="*" httpPort="9090" httpsPort="9445"
id="defaultHttpEndpoint" />
<wasJmsEndpoint wasJmsPort="7277" wasJmsSSLPort="7287" />
<iiopEndpoint host="localhost" id="defaultIiopEndpoint"
iiopPort="2814">
<iiopsOptions iiopsPort="2815" />
</iiopEndpoint>
<applicationMonitor updateTrigger="mbean" />
<enterpriseApplication id="eNC3BusinessWebService_EAR"
location="eNC3BusinessWebService_EAR.ear" name="eNC3BusinessWebService_EAR" />
和日志：
Launching defaultServer (WebSphere Application Server 8.5.5.6/wlp-1.0.9.cl50620150610-1749) on Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_79-b15 (en_US)
[AUDIT ] CWWKE0001I: The server defaultServer has been launched.
[AUDIT ] CWWKE0100I: This product is licensed for development, and limited production use. The full license terms can be viewed here: https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/wasdev/license/base_ilan/ilan/8.5.5.6/lafiles/en.html
[AUDIT ] CWWKZ0058I: Monitoring dropins for applications.
[WARNING ] CWNEN0047W: Resource annotations on the fields of the xxx.important.not.external.service.eNC3BusinessWebServiceImpl class will be ignored. The annotations could not be obtained because of the exception : java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContextAware
[AUDIT ] CWWKT0016I: Web application available (default_host): http://localhost:9090/eNC3BusinessWebService/
[AUDIT ] CWWKZ0001I: Application eNC3BusinessWebService_EAR started in 3.011 seconds.
[AUDIT ] CWWKF0012I: The server installed the following features: [jaxws-2.2, cdi-1.2, servlet-3.1, jndi-1.0, javaMail-1.5, jaxb-2.2].
[AUDIT ] CWWKF0011I: The server defaultServer is ready to run a smarter planet.
20-01-2016 - 10:02:47 - INFO (eNC3BusinessWebServiceImpl.java:31) - --- Validating Incomming Form XML ---
20-01-2016 - 10:02:47 - INFO (eNC3BusinessWebServiceImpl.java:33) - Received Payload: XML [Hello]
20-01-2016 - 10:02:47 - INFO (eNC3BusinessWebServiceImpl.java:34) - SubmissionType [from the]
20-01-2016 - 10:02:47 - INFO (eNC3BusinessWebServiceImpl.java:35) - SchemaVersion [other side]
[WARNING ] Application {http://service.external.not.important.xxx/}eNC3BusinessWebService#{http://service.external.not.important.xxx/}xmlValidation has thrown exception, unwinding now
java.lang.NullPointerException
我已经删除了每个类的一些不太相关的细节，但是基本操作是相同的。当我尝试访问fileSubmissionServiceHandler对象的“ validateXML”方法时，将引发空指针异常，并且在我的FileSubmissionServiceHandler类中从未看到postConstruct或构造方法的输出。使用调试器，这些方法将永远无法实现。
到目前为止，我检查过的事情：
我的WEB-INF文件夹中有一个空的beans.xml文件
我在server.xml中包含了javaee-7.0功能，其中包括jax-ws和cdi
我也尝试将应用程序范围和请求范围都添加到FileSubmissionServiceHandler中，但没有任何效果。
有谁知道为什么这行不通？
最佳答案
似乎由于某种原因未执行注射。结果，没有调用构造函数和PostConstruct，然后您单击了NPE。可以附加您的应用程序，以便我进一步了解吗？
关于java - JAX-WS和CDI无法在WAS Liberty Profile 8.5.5.6上一起工作，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/34074041/