我用javamail发送电子邮件没有问题(我使用EJB 3.0),问题是当我尝试通过使用多部分方法将某些图像添加到html中时。出于某种原因,我得到一个FileNotFoundException。我不知道如何获取位于WEB-INF/resources/images的.png图像的路径。javamail将图像添加到html电子邮件。怎么样?
这里是我做的:
Message message = new MimeMessage(mailSession);
// From: is our service
message.setFrom(new InternetAddress(from));
// To: destination given
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(to));
message.setSubject("Uspijesna registracija");
// How to found at http://www.rgagnon.com/javadetails/java-0321.html
message.setContent(generateActivationLinkTemplate(), "text/html");
Date timeStamp = new Date();
message.setSentDate(timeStamp);
// Prepare a multipart HTML
Multipart multipart = new MimeMultipart("related");
// Prepare the HTML
BodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(generateActivationLinkTemplate(), "text/html");
multipart.addBodyPart(htmlPart);
// PREPARE THE IMAGE
BodyPart imgPart = new MimeBodyPart();
DataSource ds = new FileDataSource("logomailtemplate.png");
imgPart.setDataHandler(new DataHandler(ds));
imgPart.setHeader("Content-ID", "the-img-1");
multipart.addBodyPart(imgPart);
// Set the message content!
message.setContent(multipart);
Transport.send(message);
文本从另一种方法,即正常工作的到来。我认为问题出现在这行代码中:
DataSource ds = new FileDataSource(“logomailtemplate.png”);
这是控制台说什么:
java.io.FileNotFoundException:logomailtemplate.png(系统找不到指定的文件)
我如何可以访问形象?它位于WEB-INF/resources/images 我被卡住的这一天的生病真的很珍惜一只手:)
------------------- ---------------- UPDATE -------------------------------
Message message = new MimeMessage(mailSession);
// From: is our service
message.setFrom(new InternetAddress(from));
// To: destination given
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(to));
message.setSubject("Uspijesna registracija");
// How to found at http://www.rgagnon.com/javadetails/java-0321.html
message.setContent(generateActivationLinkTemplate(), "text/html");
Date timeStamp = new Date();
message.setSentDate(timeStamp);
// Prepare a multipart HTML
Multipart multipart = new MimeMultipart();
// Prepare the HTML
BodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(generateActivationLinkTemplate(), "text/html");
multipart.addBodyPart(htmlPart);
// PREPARE THE IMAGE
BodyPart imgPart = new MimeBodyPart();
String fileName = "WEB-INF/resources/images/logoemailtemplate.png";
InputStream stream = null;
ClassLoader classLoader = Thread.currentThread()
.getContextClassLoader();
if (classLoader == null) {
classLoader = this.getClass().getClassLoader();
}
stream = classLoader.getResourceAsStream(fileName);
DataSource ds = new ByteArrayDataSource(stream, "image/*");
imgPart.setDataHandler(new DataHandler(ds));
imgPart.setHeader("Content-ID", "the-img-1");
multipart.addBodyPart(imgPart);
// Set the message content!
message.setContent(multipart);
Transport.send(message);
------------------------------------------ STACK TRACE- ----------------------------------
警告:StandardWrapperValve [Faces Servlet]:PWC1406: Servlet.service()for servlet Faces Servlet抛出异常 javax.faces.el.EvaluationException:j avax.ejb.EJBException ................
重度:javax.ejb.EJBException异常 javax.faces.el.EvaluationException:javax.ejb.EJBException异常 在使用javax .faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102) at javax.faces.component.UICommand.broadcast(UICommand.java :315) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:775) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1267) at com.sun.faces.lifecycle.InvokeApplicationPhase .execute(调用ApplicationPhase.java:82) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at javax。 faces.webapp.FacesServlet.service(FacesServlet.java:312) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve。 java:279) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) at com.sun。 enterprise.web.WebPipeline.invoke(WebPipeline.java:97) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingS tandardPipeline.java:85) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) at org。apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226) at com.sun.enterprise.v3.services.impl。 ContainerMapper.service(ContainerMapper.java:165) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) at com.sun.grizzly.DefaultProtocolChain。 executeProtocolFilter(DefaultProtocolChain.java:135) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) 在com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) 在com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) 在com.sun.grizzly.ProtocolChainContextTask.doCall( ProtocolChainContextTask.java:53) 在com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) 在com.sun.grizzly.ContextTask.run(ContextTask.java:69) 在com.sun.grizzly。 util.AbstractThreadPool $ Worker.doWork(AbstractThreadPool.java:330) at com.sun.grizzly.util.AbstractThreadPool $ Worker.run(AbstractThreadPool.java:309) at java.lang.Thread.run(Thread.java: 662) 引起:javax.ejb.EJBException at com.sun.ejb.containers.BaseContainer.processSystemException(BaseC ontainer.java:5119) 在com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5017) 在com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4805) 在融为一体。在com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1955) com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke( EJBLocalObjectInvocationHandler.java:198) 在com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:84) 在$ Proxy162.sendAccountActivationLinkToBuyer(来源不明) 在managedbeans.RegistrationController.doRegisterBuyer(RegistrationController.java:64) 在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法) 在sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 在java.lang中.reflect.Method.invoke(Method.java:597) at com.sun.el.parser.AstValue.invoke(AstValue.java:234) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297 ) at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:43) at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:72) at com.sun.faces .facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:98) 位于javax.faces.component。 MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88) ...... 32多个
引起的:在javax.mail.util.ByteArrayDataSource显示java.lang.NullPointerException (ByteArrayDataSource.java:83) 在ejbs.EmailServiceEJB .sendAccountActivationLinkToBuyer(EmailServiceEJB.java:69) 在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法) 在sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl。 java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.glassfish.ejb.security。application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1056) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1128) at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer。 java:5292) at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:615) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797) at com.sun。 ejb.EjbInvocation.proceed(EjbInvocation.java:567) 在org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:47) 在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法) 在sun.reflect .NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)()方法。 InterceptorManager.java:858) 在com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797) 在com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:567) 在COM。 sun.ejb.containers.interceptors.SystemInterceptorProxy.doAround(SystemInterceptorProxy.java:157) at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:139) at sun.reflect.NativeMethodAccessorImpl.invoke0(本地方法) at sun.reflect.NativeMethodAccessorImpl.in voke(NativeMethodAccessorImpl.java:39) 在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 在java.lang.reflect.Method.invoke(Method.java:597) 在com.sun.ejb。 containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:858) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797) at com.sun.ejb.containers.interceptors.InterceptorManager。拦截(InterceptorManager.java:367) at com.sun.ejb.containers.BaseContainer .__拦截(BaseContainer.java:5264) at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:5252) at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:19 0) ... 45更多
----------------------------------- UPDATE 2 -----------------------------------------
String fileName = "/WEB-INF/resources/images/logoemailtemplate.png";
InputStream stream = null;
ClassLoader classLoader = Thread.currentThread()
.getContextClassLoader();
if (classLoader == null) {
classLoader = this.getClass().getClassLoader();
}
//This line dont work!
stream = classLoader.getResourceAsStream(fileName);
DataSource ds = new URLDataSource(classLoader.getResource(fileName));
// DataSource ds = new FileDataSource(new File(classLoader // .getResource(fileName).toURI()));也不工作。还我试图两者/和不带/
[如何在glassfish v3.0中找到.txt文件的路径]的可能重复(http://stackoverflow.com/questions/5246472/how-to-find-the-path-toa-a- txt-file-in-glassfish-v3-0) –