Task form not loading and appears blank, 'javax.el.ELException: java.lang.NullPointerException'
(Doc ID 2115065.1)
Last updated on MAY 15, 2023
Applies to:
Oracle Business Process Management Suite - Version 12.1.3.0.0 and laterInformation in this document applies to any platform.
Symptoms
When trying to open a task it comes up as blank. If you set the preferences for the view to hide the task details panel the popup will actually work. The following exception may be seen in the logs:
Caused by: javax.el.ELException: java.lang.NullPointerException
at javax.el.BeanELResolver.getValue(BeanELResolver.java:368)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
at com.sun.el.parser.AstValue.getValue(AstValue.java:138)
at com.sun.el.parser.AstValue.getValue(AstValue.java:183)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:224)
at org.apache.myfaces.trinidadinternal.taglib.ForEachTag.doStartTag(ForEachTag.java:175)
at oracle.jsp.runtime.tree.OracleJspIterationTagNode.executeHandler(OracleJspIterationTagNode.java:43)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:58)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspIterationTagNode.executeHandler(OracleJspIterationTagNode.java:45)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspNode.execute(OracleJspNode.java:89)
at oracle.jsp.runtimev2.ShortCutServlet._jspService(ShortCutServlet.java:89)
at oracle.jsp.runtime.OracleJspBase.service(OracleJspBase.java:29)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:424)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:845)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:760)
... 126 more
Caused by: java.lang.NullPointerException
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.getDecomposeTaskList(DecomposeListEditorView.java:254)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.createModel(DecomposeListEditorView.java:139)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.init(DecomposeListEditorView.java:115)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.getDecomposeListModel(DecomposeListEditorView.java:122)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at javax.el.BeanELResolver.getValue(BeanELResolver.java:363)
... 146 more
at javax.el.BeanELResolver.getValue(BeanELResolver.java:368)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
at com.sun.el.parser.AstValue.getValue(AstValue.java:138)
at com.sun.el.parser.AstValue.getValue(AstValue.java:183)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:224)
at org.apache.myfaces.trinidadinternal.taglib.ForEachTag.doStartTag(ForEachTag.java:175)
at oracle.jsp.runtime.tree.OracleJspIterationTagNode.executeHandler(OracleJspIterationTagNode.java:43)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:58)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspIterationTagNode.executeHandler(OracleJspIterationTagNode.java:45)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspNode.execute(OracleJspNode.java:89)
at oracle.jsp.runtimev2.ShortCutServlet._jspService(ShortCutServlet.java:89)
at oracle.jsp.runtime.OracleJspBase.service(OracleJspBase.java:29)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:424)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:845)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:760)
... 126 more
Caused by: java.lang.NullPointerException
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.getDecomposeTaskList(DecomposeListEditorView.java:254)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.createModel(DecomposeListEditorView.java:139)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.init(DecomposeListEditorView.java:115)
at oracle.bpel.worklistapp.dc.decomposition.beans.view.DecomposeListEditorView.getDecomposeListModel(DecomposeListEditorView.java:122)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at javax.el.BeanELResolver.getValue(BeanELResolver.java:363)
... 146 more
Changes
Cause
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