Java Null Pointer Exception when assigning a value to an Object Array

I am working on a webservice where the request can contain a dynamic array of SingleOwnerRequestNodeDetail objects. I need to read these objects in and sort them according to an orderNbr that is contained in the object.
I am attempting to read these object into a Comparable class and sort them. I am having problems when I try to insert the objects into my object array ComparableBO[]. I get the following error: Exception during processing: java.lang.NullPointerException
Any assistance would be greatly appreciated.
Here's my class:
public class ComparatorBO  implements Comparable {
     private SingleOwnerRequestNodeDetail nodeDetailInfo;
     private int orderNbr;
     public SingleOwnerRequestNodeDetail getNodeDetailInfo() {
          return nodeDetailInfo;
     public void setNodeDetailInfo(SingleOwnerRequestNodeDetail nodeDetailInfo) {
          this.nodeDetailInfo = nodeDetailInfo;
     public int getOrderNbr() {
          return Integer.parseInt(nodeDetailInfo.getSingleOwnerRequestOrderNbr());
     public void setOrderNbr (int orderNbr) {
          this.orderNbr = orderNbr;
     public int compareTo(Object anotherNodeDetailInfo)throws ClassCastException {
          if (!(anotherNodeDetailInfo instanceof ComparatorBO))
               throw new ClassCastException ("An single owner request node detail object is expected");
          int anotherNodeDetailOrderNbr = ((ComparatorBO)anotherNodeDetailInfo).getOrderNbr();
          return this.orderNbr - anotherNodeDetailOrderNbr;
}Here's the code where I read in the objects and attempt to place them in the comparableBO[]
ComparatorBO[] comparatorBOArray = null;
comparatorBOArray = new ComparatorBO[requestInfo.length];
          for (int i=0; i < requestInfo.length; i++)
               SingleOwnerRequestNodeDetail nodes = new SingleOwnerRequestNodeDetail();
               ComparatorBO comparatorBO = new ComparatorBO();
               nodes.setSingleOwnerRequestNodeID(requestInfo.getSingleOwnerRequestNodeID());
               nodes.setSingleOwnerRequestNodeType(requestInfo[i].getSingleOwnerRequestNodeType());
               nodes.setSingleOwnerRequestOpCode(requestInfo[i].getSingleOwnerRequestOpCode());
               nodes.setSingleOwnerRequestOrderNbr(requestInfo[i].getSingleOwnerRequestOrderNbr());
               comparatorBO.setNodeDetailInfo(nodes);                         
               *comparatorBOArray[i].setNodeDetailInfo(comparatorBO.getNodeDetailInfo());*
               comparatorBOArray[i].setOrderNbr(Integer.parseInt(nodes.getSingleOwnerRequestOrderNbr()));

imadeveloper wrote:
I am working on a webservice where the request can contain a dynamic array of SingleOwnerRequestNodeDetail objects. I need to read these objects in and sort them according to an orderNbr that is contained in the object.
I am attempting to read these object into a Comparable class and sort them. I am having problems when I try to insert the objects into my object array ComparableBO[]. I get the following error: Exception during processing: java.lang.NullPointerException
Any assistance would be greatly appreciated.
Here's my class:
public class ComparatorBO  implements Comparable {
     private SingleOwnerRequestNodeDetail nodeDetailInfo;
     private int orderNbr;
     public SingleOwnerRequestNodeDetail getNodeDetailInfo() {
          return nodeDetailInfo;
     public void setNodeDetailInfo(SingleOwnerRequestNodeDetail nodeDetailInfo) {
          this.nodeDetailInfo = nodeDetailInfo;
     public int getOrderNbr() {
          return Integer.parseInt(nodeDetailInfo.getSingleOwnerRequestOrderNbr());
     public void setOrderNbr (int orderNbr) {
          this.orderNbr = orderNbr;
     public int compareTo(Object anotherNodeDetailInfo)throws ClassCastException {
          if (!(anotherNodeDetailInfo instanceof ComparatorBO))
               throw new ClassCastException ("An single owner request node detail object is expected");
          int anotherNodeDetailOrderNbr = ((ComparatorBO)anotherNodeDetailInfo).getOrderNbr();
          return this.orderNbr - anotherNodeDetailOrderNbr;
}Here's the code where I read in the objects and attempt to place them in the comparableBO[]
ComparatorBO[] comparatorBOArray = null;
comparatorBOArray = new ComparatorBO[requestInfo.length];
          for (int i=0; i < requestInfo.length; i++)
               SingleOwnerRequestNodeDetail nodes = new SingleOwnerRequestNodeDetail();
               ComparatorBO comparatorBO = new ComparatorBO();
               nodes.setSingleOwnerRequestNodeID(requestInfo.getSingleOwnerRequestNodeID());
               nodes.setSingleOwnerRequestNodeType(requestInfo[i].getSingleOwnerRequestNodeType());
               nodes.setSingleOwnerRequestOpCode(requestInfo[i].getSingleOwnerRequestOpCode());
               nodes.setSingleOwnerRequestOrderNbr(requestInfo[i].getSingleOwnerRequestOrderNbr());
               comparatorBO.setNodeDetailInfo(nodes);                         
               *comparatorBOArray[i].setNodeDetailInfo(comparatorBO.getNodeDetailInfo());*
               comparatorBOArray[i].setOrderNbr(Integer.parseInt(nodes.getSingleOwnerRequestOrderNbr()));
Well normally when someone wont tell me what line the error occured in I copy paste their code into my compiler and find out. But you have other classes which you have not shown us so I cannot help you.
Incase you missed my point, please tell us where the error occured!

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    hi Keerthi,
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    System.arraycopy(parentChromosomeBDetails.chromosomePlayerIDs, randomCrossoverPoint, childChromosomeCDetails.chromosomePlayerIDs, randomCrossoverPoint, (childChromosomeCDetails.chromosomePlayerIDs.length-randomCrossoverPoint));
                        However it gives me this error, relating to the first arraycopy method: Exception in thread "main" java.lang.NullPointerException
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    it was learning very well yesterday, but that was before I introduced my customised class. I need my class as I need to be able to keep hold of all of the data, rather than just the chromosome points, so that I can see the exact strategy that the algorithm uses.
    It is indeed the child chromosome that is null, and I suppose that it because I had to initialise the int[] chromosomePoints, double[] chromosomePrices and int[] chromosomePlayerIDs as null. What is the best solution to this? using loops to initialise all values in the arrays as 0 before the arraycopy?!

  • Null Pointer Exception when dynamic vo return no row.

    Hi All,
    i am using jedev version 11.1.1.5.0.
    i have created one dynamic vo using application module method.
        public void changeDynamicVoQuery(String sqlStatement) {
            ViewObject dynamicVO = this.findViewObject("DynamicVo1");
            if(dynamicVO!=null)
            dynamicVO.remove();
            dynamicVO = this.createViewObjectFromQueryStmt("DynamicVo1", sqlStatement);
        try
            dynamicVO.executeQuery();
        catch(Exception ex)
            System.out.println("Exception to execute Dynamic vo===>"+ex);
            ex.printStackTrace();
        }when i have passed query which return no row Null pointer Exception raised. and if query return row it is running fine.
    log detail-
    java.lang.NullPointerException
         at oracle.adfinternal.view.faces.dynamic.AttributeHelper.getFilteredAttributeDefinitions(AttributeHelper.java:60)
         at oracle.adfinternal.view.faces.dynamic.factories.TableFactory.create(TableFactory.java:95)
         at oracle.adfinternal.view.faces.dynamic.DynamicTable.doCreateChildren(DynamicTable.java:117)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.createChildren(DynamicForm.java:456)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.encodeBegin(DynamicForm.java:280)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:928)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:682)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:601)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:170)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:290)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:255)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:358)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
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         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:682)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:601)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:170)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:290)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:255)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:358)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:415)
         at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:220)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:415)
         at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1273)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         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:800)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:294)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:214)
         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.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
         at java.security.AccessController.doPrivileged(Native Method)
         at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
         at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
         at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
         at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
         at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.WebAppServletContext$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)
    <Feb 21, 2013 6:16:51 PM IST> <Error> <HTTP> <BEA-101020> <[ServletContext@14028564[app:DemoApp module:DemoApp-ViewController-context-root path:/DemoApp-ViewController-context-root spec-version:2.5]] Servlet failed with Exception
    java.lang.NullPointerException
         at oracle.adfinternal.view.faces.dynamic.AttributeHelper.getFilteredAttributeDefinitions(AttributeHelper.java:60)
         at oracle.adfinternal.view.faces.dynamic.factories.TableFactory.create(TableFactory.java:95)
         at oracle.adfinternal.view.faces.dynamic.DynamicTable.doCreateChildren(DynamicTable.java:117)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.createChildren(DynamicForm.java:456)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.encodeBegin(DynamicForm.java:280)
         Truncated. see log file for complete stacktrace
    >
    <Feb 21, 2013 6:16:51 PM IST> <Notice> <Diagnostics> <BEA-320068> <Watch 'UncheckedException' with severity 'Notice' on server 'DefaultServer' has triggered at Feb 21, 2013 6:16:51 PM IST. Notification details:
    WatchRuleType: Log
    WatchRule: (SEVERITY = 'Error') AND ((MSGID = 'WL-101020') OR (MSGID = 'WL-101017') OR (MSGID = 'WL-000802') OR (MSGID = 'BEA-101020') OR (MSGID = 'BEA-101017') OR (MSGID = 'BEA-000802'))
    WatchData: DATE = Feb 21, 2013 6:16:51 PM IST SERVER = DefaultServer MESSAGE = [ServletContext@14028564[app:DemoApp module:DemoApp-ViewController-context-root path:/DemoApp-ViewController-context-root spec-version:2.5]] Servlet failed with Exception
    java.lang.NullPointerException
         at oracle.adfinternal.view.faces.dynamic.AttributeHelper.getFilteredAttributeDefinitions(AttributeHelper.java:60)
         at oracle.adfinternal.view.faces.dynamic.factories.TableFactory.create(TableFactory.java:95)
         at oracle.adfinternal.view.faces.dynamic.DynamicTable.doCreateChildren(DynamicTable.java:117)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.createChildren(DynamicForm.java:456)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.encodeBegin(DynamicForm.java:280)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:928)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:682)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:601)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:170)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:290)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:255)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:358)
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         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:682)
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         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:290)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:255)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:358)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:415)
         at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:220)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:415)
         at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1273)
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         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)
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         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:800)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:294)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:214)
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         at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
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         at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
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         at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
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         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.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
         at java.security.AccessController.doPrivileged(Native Method)
         at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
         at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
         at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
         at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
         at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.WebAppServletContext$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)It is very strange. what is wrong with my code? please help.
    Thanks in Advance.

    one important thing is that when i drag dynamic vo in jspx page running fine. but when i used it on fragment page(jsff) then Null poiner exception occur.
    i am using following tutorial to create dynamic table.
    https://blogs.oracle.com/shay/entry/adf_faces_dynamic_tags_-fora
    is there any solution?
    error is following-
    java.lang.NullPointerException
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.isRefreshNecessary(DynamicForm.java:503)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.createChildren(DynamicForm.java:370)
         at oracle.adfinternal.view.faces.dynamic.DynamicForm.encodeBegin(DynamicForm.java:280)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:928)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:399)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2633)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:415)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer._encodeChildren(RegionRenderer.java:278)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.encodeAll(RegionRenderer.java:201)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)And when i have refresh page it is running fine.
    Edited by: Manish on २५ दिसंबर, २०१२ ६:२८ अपराह्न

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