Program: 118108
Project: 118108
Buggy source:
/** 
 * Return an array of Objects representing the valid content proposals for a field.
 * @param contents the current contents of the field (only consulted if filtering is set to <code>true</code>)
 * @param position the current cursor position within the field (ignored)
 * @return the array of Objects that represent valid proposals for the field given its current content.
 */
@Override public IContentProposal[] getProposals(String contents,int position){
  List<IComponent> relatedComponent=TalendEditorPaletteFactory.getRelatedComponents(componentsFactory,contents);
  if (componentAssistant != null) {
    relatedComponent=componentAssistant.filterComponents(relatedComponent);
  }
  proposalList.clear();
  if (relatedComponent != null && !relatedComponent.isEmpty()) {
    Iterator<IComponent> iter=relatedComponent.iterator();
    while (iter.hasNext()) {
      IComponent component=iter.next();
      proposalList.add(new ComponentContentProposal(component));
    }
  }
  DummyComponent noteComponent=new DummyComponent("String_Node_Str");
  noteComponent.setIcon16(ImageProvider.getImageDesc(ECoreImage.NOTE_SMALL_ICON));
  noteComponent.setOriginalFamilyName("String_Node_Str");
  proposalList.add(new ComponentContentProposal(noteComponent));
  return proposalList.toArray(new IContentProposal[0]);
}

Fixed version (ground truth):
/** 
 * Return an array of Objects representing the valid content proposals for a field.
 * @param contents the current contents of the field (only consulted if filtering is set to <code>true</code>)
 * @param position the current cursor position within the field (ignored)
 * @return the array of Objects that represent valid proposals for the field given its current content.
 */
@Override public IContentProposal[] getProposals(String contents,int position){
  List<IComponent> relatedComponent=TalendEditorPaletteFactory.getRelatedComponents(componentsFactory,contents);
  if (componentAssistant != null) {
    relatedComponent=componentAssistant.filterComponents(relatedComponent);
  }
  proposalList.clear();
  List<PaletteEntry> extraPaletteEntry=ComponentPaletteUtilities.getExtraPaletteEntry();
  if (extraPaletteEntry != null) {
    for (    PaletteEntry entry : extraPaletteEntry) {
      if (entry != null && entry.isVisible() && entry instanceof TalendCreationToolEntry) {
        TalendCreationToolEntry tool=(TalendCreationToolEntry)entry;
        CreationFactory creationFactory=tool.getFactory();
        if (creationFactory != null && creationFactory instanceof PaletteComponentFactory) {
          PaletteComponentFactory componentFactory=(PaletteComponentFactory)creationFactory;
          proposalList.add(new ComponentContentProposal(componentFactory.getComponent()));
        }
      }
    }
  }
  if (relatedComponent != null && !relatedComponent.isEmpty()) {
    Iterator<IComponent> iter=relatedComponent.iterator();
    while (iter.hasNext()) {
      IComponent component=iter.next();
      proposalList.add(new ComponentContentProposal(component));
    }
  }
  DummyComponent noteComponent=new DummyComponent("String_Node_Str");
  noteComponent.setIcon16(ImageProvider.getImageDesc(ECoreImage.NOTE_SMALL_ICON));
  noteComponent.setOriginalFamilyName("String_Node_Str");
  proposalList.add(new ComponentContentProposal(noteComponent));
  return proposalList.toArray(new IContentProposal[0]);
}