2532629 - PI ESR: Function Editor crashes with Internal GUI error

• You are working with Process Integration (PI) or Process Orchestration (PO) mappings in the Enterprise Services Repository (ESR)
• In particular this issue affects the Functions tab in ESR Message Mapping GUI
• The GUI becomes unresponsive and may crash with an error link:
  Internal GUI error occurred
  java.lang.NullPointerException
  
  
• If you capture the Java console trace as per SAP KBA 1891480 How to enable logging in Java WebStart console, you notice an error similar to the following:
  Thrown:
  java.lang.NullPointerException: null
  at com.sap.aii.mappingtool.mf.MappingTool$LibEditorHandler.valueModified(MappingTool.java:305)
  at com.sap.aii.utilxi.swing.toolkit.ModificationSupport.fireValueModified(ModificationSupport.java:51)
  at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor.fireModified(FunctionLibraryEditor.java:626)
  at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor.access$1300(FunctionLibraryEditor.java:69)
  at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor$FunctionLibraryListener.libChanged(FunctionLibraryEditor.java:1004)
  at com.sap.aii.ib.bom.flib.FunctionLibrary.fireChanged(FunctionLibrary.java:87)
  at com.sap.aii.ib.bom.flib.FunctionLibrary.funcDefinitionChanged(FunctionLibrary.java:103)
  at com.sap.aii.ib.bom.flib.FunctionDefinition.fireChanged(FunctionDefinition.java:71)
  at com.sap.aii.ib.bom.flib.FunctionDefinition.codeChanged(FunctionDefinition.java:64)
  at com.sap.aii.ib.bom.flib.InlineFunctionCode.fireChanged(InlineFunctionCode.java:40)
  at com.sap.aii.ib.bom.flib.InlineFunctionCode.javaTextChanged(InlineFunctionCode.java:71)
  at com.sap.aii.ib.bom.flib.JavaSection.fireJavaTextChanged(JavaSection.java:44)
  at com.sap.aii.ib.bom.flib.JavaSection.setJavaCode...
  ...Thrown:
  com.sap.aii.utilxi.misc.api.BaseException: java.lang.NullPointerException
   at com.sap.aii.ibrep.gui.aris.common.AXIDialogFactory.showExceptionDialog(AXIDialogFactory.java:73)
   at com.idsscheer.framework.gui.AExceptionDialog.showErrorDialog(AExceptionDialog.java:15)
   at com.idsscheer.framework.gui.AExceptionDialog.showErrorDialog(AExceptionDialog.java:27)
   at com.idsscheer.aris.client.container.common.AFocusManager$1.run(AFocusManager.java:148)
   at java.awt.event.InvocationEvent.dispatch(Unknown Source)...
  Caused by: java.lang.NullPointerException: null
   at com.sap.aii.mappingtool.mf.MappingTool$LibEditorHandler.valueModified(MappingTool.java:190)
   at com.sap.aii.utilxi.swing.toolkit.ModificationSupport.fireValueModified(ModificationSupport.java:59)
   at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor.fireModified(FunctionLibraryEditor.java:358)
   at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor.access$1300(FunctionLibraryEditor.java:21)
   at com.sap.aii.mappingtool.funclib.FunctionLibraryEditor$ModListener.valueModified...

• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5

Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX, Mapping Editor, crash, hang, freeze, User-defined Function, UDF, testing , KBA , BC-XI-IBD , Integration Builder - Design , Problem