방지 O : 파라미터 타겟 게터 메소드에 전달 될 때, 예외 발생의 graphicImage는 숫자 순서대로 일치하세요 즉 세 파라미터 <code>id</code>, <code>width</code> 및 <code>height</code> 다음과 같이하여 화상을 표시하는 <code><o:graphicImage></code> 사용

입력.방지 O : 파라미터 타겟 게터 메소드에 전달 될 때, 예외 발생의 graphicImage는 숫자 순서대로 일치하세요 즉 세 파라미터 <code>id</code>, <code>width</code> 및 <code>height</code> 다음과 같이하여 화상을 표시하는 <code><o:graphicImage></code> 사용

<o:graphicImage value="#{productImageBean.getImage(90, 100, 100)}" 
       height="100" 
       width="100"/>

빈 (bean) 점점 이미지 :

@Named 
@ApplicationScoped 
public class ProductImageBean { 

    @Inject 
    private Service service; 

    public ProductImageBean() {} 

    public byte[] getImage(Long id, int width, int height) throws IOException { 
     return id == null ? null : service.findImageById(id, width, height); 
    } 
}

<o:graphicImage>에 의해 생성 된 URL은 다음과 같습니다.

메소드 매개 변수로 주어진 목표 유형으로 변환되지 않습니다 잘못된 유형, 모든 파라미터는 경우 abc 같은 (아마도 악의적 인 사용자에 의한)을 시도하지 않는 한이 완벽하게 잘 작동

/ContextRoot/javax.faces.resource/ProductImageBean_getImage.xhtml?ln=omnifaces.graphic&v=0&p=90&p=100&p=100

는 다음과 같은 원인 던져 질 예외.

22:48:32,531 ERROR [io.undertow.request] (default task-34) UT005023: Exception handling request to /ContextRoot/javax.faces.resource/ProductImageBean_getImage.xhtml: java.lang.NullPointerException 
    at javax.faces.component.UIComponentBase.getClientId(UIComponentBase.java:355) 
    at javax.faces.convert.MessageFactory.getLabel(MessageFactory.java:278) 
    at javax.faces.convert.LongConverter.getAsObject(LongConverter.java:118) 
    at org.omnifaces.resourcehandler.GraphicResource.convertToObjects(GraphicResource.java:355) 
    at org.omnifaces.resourcehandler.GraphicResource.getInputStream(GraphicResource.java:223) 
    at com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:335) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at org.primefaces.application.resource.PrimeResourceHandler.handleResourceRequest(PrimeResourceHandler.java:87) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:655) 
    at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) 
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:78) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:129) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:122) 
    at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) 
    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) 
    at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) 
    at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) 
    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) 
    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) 
    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) 
    at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) 
    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) 
    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) 
    at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) 
    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) 
    at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) 
    at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) 
    at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) 
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) 
    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 

23:02:02,218 ERROR [io.undertow.request] (default task-50) UT005023: Exception handling request to /ContextRoot/javax.faces.resource/ProductImageBean_getImage.xhtml: java.lang.NullPointerException 
    at javax.faces.component.UIComponentBase.getClientId(UIComponentBase.java:355) 
    at javax.faces.convert.MessageFactory.getLabel(MessageFactory.java:278) 
    at javax.faces.convert.LongConverter.getAsObject(LongConverter.java:118) 
    at org.omnifaces.resourcehandler.GraphicResource.convertToObjects(GraphicResource.java:355) 
    at org.omnifaces.resourcehandler.GraphicResource.getInputStream(GraphicResource.java:223) 
    at com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:335) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at org.primefaces.application.resource.PrimeResourceHandler.handleResourceRequest(PrimeResourceHandler.java:87) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:655) 
    at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) 
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:78) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:129) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:122) 
    at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) 
    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) 
    at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) 
    at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) 
    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) 
    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) 
    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) 
    at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) 
    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) 
    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) 
    at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) 
    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) 
    at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) 
    at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) 
    at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) 
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) 
    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745)

제대로 구성하지만 예외가 관련 데이터베이스 또는 디스크의 파일 시스템에서 이미지를 제공 할 책임이 응용 프로그램에 투명해야 기대하는 경우는, 글로벌 오류 페이지로 연결됩니다.

또는 메소드 매개 변수를 기본값으로 두어야합니다. 필자의 경우 height과 width은 선택 사항이며, 없으면 연결된 데이터베이스의 이미지는 크기 조정이나 크기 조정없이 그대로 렌더링되어야합니다.

그러나 height 및/또는 width (또는 다른 매개 변수)이없는 경우 다음과 같은 예외가보고됩니다.

23:21:43,578 ERROR [io.undertow.request] (default task-61) UT005023: Exception handling request to /ContextRoot/javax.faces.resource/ProductImageBean_getImage.xhtml: java.lang.IllegalArgumentException: o:graphicImage 'value' attribute must specify valid method parameters. Encountered invalid method parameters '[90]'. 
    at org.omnifaces.resourcehandler.GraphicResource.validateParamLength(GraphicResource.java:364) 
    at org.omnifaces.resourcehandler.GraphicResource.convertToObjects(GraphicResource.java:346) 
    at org.omnifaces.resourcehandler.GraphicResource.getInputStream(GraphicResource.java:223) 
    at com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:335) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at org.primefaces.application.resource.PrimeResourceHandler.handleResourceRequest(PrimeResourceHandler.java:87) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:153) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:655) 
    at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) 
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:78) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:129) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:122) 
    at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108) 
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) 
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) 
    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) 
    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) 
    at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) 
    at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) 
    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) 
    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) 
    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) 
    at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) 
    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) 
    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) 
    at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) 
    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) 
    at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) 
    at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) 
    at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) 
    at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) 
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) 
    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745)

OmniFaces 2.3 최종본입니다.

출처

2016-07-17 Tiny

전적으로 이에 동의합니다. 예외 세부 사항을 신경 쓰지 않고 클라이언트에 HTTP 400 Bad Request 오류를 반환 했어야합니다. JSF API만이이를 지원하지 않으며 최선을 다해 HTTP 404 Not Found을 반환 할 수 있습니다.

이에 따라 improved을 입력 했으므로 오늘은 2.5-SNAPSHOT입니다.

출처

2016-07-18 12:58:19 BalusC

방지 O : 파라미터 타겟 게터 메소드에 전달 될 때, 예외 발생의 graphicImage는 숫자 순서대로 일치하세요 즉 세 파라미터 <code>id</code>, <code>width</code> 및 <code>height</code> 다음과 같이하여 화상을 표시하는 <code><o:graphicImage></code> 사용

답변

관련 문제