ADF11g-013：ADF笔记

1.  ID 为 r1 的区域组件检测到具有多个根组件的页片断。具有多个根组件的片断在区域中无法正确显示, 并可能会影响性能。建议重新构建页片断, 使其只包含一个根元素。

     当在ADF的页面片段中使用html标签布局时，运行页面时Weblogic控制台有可能报以上消息，解决方法：页面片段中的root标签最好使用ADF Faces提供的标签。

2. 之前有网友遇到一个问题，当SelectOneChoice设置required="true"时，当表单提交时却不触发页面的校验错误。

     这是因为在View Object中设置LOV时选择了　Include “No Selected Item”，取消选项即可。

     

     

3.对于添加Library的方式引用外部Jar包，部署使用时会报Class not found的错误，解决方法如下：

     在创建Library时，选择Deploy By Default，当没有选择时，部署打包时，不会将外部的jar包部署到classpath，所以会报错。

    

4.

Run large ADF jspx page in debug mode, get error "java.lang.InternalError: name is too long to represent"

http://java.net/jira/browse/ADFEMG-39

5. 添加skin时，报以下错误

java.lang.NullPointerException
	at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:881)
	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache._getStyleContextResolvedSkinProperties(FileSystemStyleCache.java:787)
	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache._createEntry(FileSystemStyleCache.java:602)
	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache._getEntry(FileSystemStyleCache.java:465)
	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache.getStyleSheetURIs(FileSystemStyleCache.java:183)
	at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.StyleSheetRenderer.encodeAll(StyleSheetRenderer.java:97)
	at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)
	at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
	at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer._renderSkinStylesheet(DocumentRenderer.java:2130)
	at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1010)
	at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
	at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)
	at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)
	at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266)
	at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197)
	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
	at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:193)
	at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:911)
	at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:367)
	at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
	at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
	at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
	at java.security.AccessController.doPrivileged(Native Method)
	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
	at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
	at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)

可能是语言环境不正确

6. SQLException: Statement cancelled, probably by transaction timing out

https://forums.oracle.com/forums/thread.jspa?threadID=2242729

http://docs.oracle.com/cd/E24382_01/web.1112/e16182/deployment_topics.htm