[jboss-user] [JBoss Seam] - IllegalAccessError: Could not instantiate Seam component

enrokuta do-not-reply at jboss.com
Fri Oct 12 16:28:47 EDT 2007


I have a stateless session bean called UploadService that handles file uploads. I was able to use it with no problems for days till I added few setters/getters and a method to scale the uploaded image.

After login and once a reference of uploadService is encountered, an instantiation exception is thrown that is caused by " IllegalAccessError: class XYZ cannot access its superinterface com.truerunes.core.Upload"

  | 23:09:17,761 ERROR [STDERR] Oct 12, 2007 11:09:17 PM com.sun.facelets.FaceletViewHandler handleRenderException
  | SEVERE: Error Rendering View[/artwork.xhtml]
  | org.jboss.seam.InstantiationException: Could not instantiate Seam component: uploadService
  |         at org.jboss.seam.Component.newInstance(Component.java:1971)
  |         at org.jboss.seam.Component.getInstance(Component.java:1874)
  |         at org.jboss.seam.Component.getInstance(Component.java:1841)
  |         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
  |         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
  |         at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166)
  |         at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53)
  |         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  |         at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  |         at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
  |         at org.jboss.el.parser.AstValue.getValue(AstValue.java:63)
  |         at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
  |         at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
  |         at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
  |         at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
  |         at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
  |         at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200)
  |         at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
  |         at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
  |         at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
  |         at org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererBase.java:33)
  |         at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
  |         at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
  |         at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
  |         at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:577)
  |         at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
  |         at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
  |         at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
  |         at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
  |         at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
  |         at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:150)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:619)
  | Caused by: java.lang.RuntimeException: by java.lang.IllegalAccessError: class org.javassist.tmp.java.lang.Object_$$_javassist_7 cannot access its superinterface com.truerunes.core.Upload
  |         at org.jboss.seam.util.ProxyFactory.createClass(ProxyFactory.java:190)
  |         at org.jboss.seam.Component.createProxyFactory(Component.java:2261)
  |         at org.jboss.seam.Component.getProxyFactory(Component.java:1376)
  |         at org.jboss.seam.Component.wrap(Component.java:1367)
  |         at org.jboss.seam.Component.instantiateSessionBean(Component.java:1289)
  |         at org.jboss.seam.Component.instantiate(Component.java:1274)
  |         at org.jboss.seam.Component.newInstance(Component.java:1967)
  |         ... 72 more
  | Caused by: javassist.CannotCompileException: by java.lang.IllegalAccessError: class org.javassist.tmp.java.lang.Object_$$_javassist_7 cannot access its superinterface com.truerunes.core.Upload
  |         at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:165)
  |         at org.jboss.seam.util.ProxyFactory.createClass(ProxyFactory.java:186)
  |         ... 78 more
  | Caused by: java.lang.IllegalAccessError: class org.javassist.tmp.java.lang.Object_$$_javassist_7 cannot access its superinterface com.truerunes.core.Upload
  |         at java.lang.ClassLoader.defineClass1(Native Method)
  |         at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
  |         at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at javassist.util.proxy.FactoryHelper.toClass2(FactoryHelper.java:177)
  |         at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:159)
  | 


  | @Local
  | interface Upload {
  | 	byte[] getData();
  | 	void setData(byte[] data);
  | 	String getContentType();
  | 	void setContentType(String contentType);
  | 	String getFileName();
  | 	void setFileName(String fileName);
  | 	String getTitle();
  | 	void setTitle(String title);
  | 	int getSize();
  | 	void setSize(int size);
  | 	void upload();
  | }
  | 

I did not include the scale code since it is a bit verbose and might be irrelevant to the problem. However, you can find the imports used:

  | import java.awt.Graphics2D;
  | import java.awt.RenderingHints;
  | import java.awt.Transparency;
  | import java.awt.image.BufferedImage;
  | import java.io.ByteArrayInputStream;
  | import java.io.ByteArrayOutputStream;
  | import java.io.IOException;
  | import java.io.InputStream;
  | import java.io.OutputStream;
  | import java.util.Date;
  | 
  | import javax.ejb.Stateless;
  | import javax.imageio.ImageIO;
  | import javax.persistence.EntityManager;
  | 
  | import org.jboss.seam.annotations.Factory;
  | import org.jboss.seam.annotations.In;
  | import org.jboss.seam.annotations.Logger;
  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.annotations.Out;
  | import org.jboss.seam.annotations.security.Restrict;
  | import org.jboss.seam.log.Log;
  | 
  | @Stateless
  | @Name("uploadService")
  | public class UploadService implements Upload {
  | 
  | 	@Logger Log log;
  | 	
  | 	@In(create = true, value = "entityManager")
  | 	private EntityManager em;
  | 
  | 	private byte[] data;
  | 	private String contentType;
  | 	private String fileName;
  | 	private String title;
  | 	private int size;
  | 
  | 	// setters/getters omitted.
  | 
  | 	@Restrict("#{s:hasRole('gsadmin')}")
  | 	public void upload() {
  | 	}
  | 
  | 	private byte[] scale(){
  | 	}
  | }
  | 

here is the page that references the uploadService component:

  |   <h:form id="registration-form" enctype="multipart/form-data">
  |     <span class="error"><h:messages globalOnly="true"/></span>
  |     <s:validateAll>
  |     <fieldset>
  |       <legend>Enter file to upload</legend>
  |       <div>
  |       	<h:outputLabel for="title" value="Title"/>
  | 		<h:inputText styleClass="input-field" id="title" required="true"
  | 			value="#{uploadService.title}" size="40" maxlength="40"/>
  | 		<h:message styleClass="error" for="title"/>
  |       </div>
  |       <div>
  |         <h:outputLabel for="artwork" value="Artwork"/>
  |         <s:fileUpload id="artwork" styleClass="input-field"
  |           data="#{uploadService.data}" accept="image/*"
  |           contentType="#{uploadService.contentType}"
  |           fileName="#{uploadService.fileName}" fileSize="#{uploadService.size}"
  |           size="40" maxlength="40" required="true"/>
  |         <h:message styleClass="error" for="artwork"/>        
  |       </div>
  |     </fieldset>    
  |     
  |     <div class="submit-buttons">
  |       <h:commandButton value="Upload"
  |         action="#{uploadService.upload}" id="registerButton"/>
  |     </div>
  |     </s:validateAll>
  |   </h:form>
  | 

I tried updating from JDK 5 to JDK 6, rebuilding and removing the old deployed archive but the problem is still there.

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