Program: 70770
Project: 70770
Buggy source:
@Override protected void addContent(MultiViewer mv){
  final HashMap<String,Font> fontMap=new HashMap<>();
  for (  Font font : GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts()) {
    fontMap.put(font.getName(),font);
  }
  mv.addRenderable(new SimpleSelectable(){
    JFrame debugframe=null;
    @Override public void updateBounds(    Point3d pmin,    Point3d pmax){
      Point3d p1=new Point3d(-3,-3,-3);
      Point3d p2=new Point3d(3,3,3);
      p1.updateBounds(pmin,pmax);
      p2.updateBounds(pmin,pmax);
    }
    @Override public void render(    Renderer renderer,    int flags){
      if (debugframe == null) {
        TextImageStore store=((GLViewer)renderer).getTextRenderer().getImageStore();
        debugframe=TextImageStore.createDisplayFrame(store);
        debugframe.setVisible(true);
      }
      renderer.setShading(Shading.FLAT);
      renderer.setColor(Color.WHITE);
      renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
      renderer.drawSphere(Point3d.ZERO,0.01);
      Font font=new Font(Font.SANS_SERIF,0,54);
      renderer.drawText(font,"String_Node_Str",new float[]{0.4f,0.3f,0.3f},0.25);
      renderer.setColor(Color.ORANGE);
      String text="String_Node_Str";
      renderer.drawText(font,text,new float[]{-2f,0f,0f},0.25);
      Font comic=fontMap.get("String_Node_Str");
      if (comic == null) {
        comic=new Font(Font.MONOSPACED,Font.BOLD,32);
      }
 else {
        comic=comic.deriveFont(Font.BOLD,32);
      }
      renderer.setColor(Color.CYAN);
      text="String_Node_Str";
      Rectangle2D rect=renderer.getTextBounds(comic,text,0.25);
      renderer.drawText(comic,text,new float[]{-(float)(rect.getWidth()),0.5f,0f},0.25);
      renderer.setColor(Color.MAGENTA);
      text="String_Node_Str";
      font=new Font(Font.SERIF,Font.PLAIN,64);
      rect=renderer.getTextBounds(font,text,0.3);
      renderer.pushModelMatrix();
      RigidTransform3d trans=new RigidTransform3d(new Vector3d(0,-0.4,0),new AxisAngle(0,1,0,Math.toRadians(30)));
      renderer.mulModelMatrix(trans);
      renderer.setFaceStyle(FaceStyle.FRONT);
      renderer.drawText(font,text,Point3d.ZERO,0.3);
      trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0,1,0,Math.PI));
      renderer.mulModelMatrix(trans);
      renderer.drawText(font,text,new Point3d(-rect.getWidth(),0,0),0.3);
      trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0.1,1,0,Math.PI * 1));
      renderer.mulModelMatrix(trans);
      renderer.setShading(Shading.NONE);
      renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
      renderer.setColor(Color.GREEN);
      text="String_Node_Str";
      drawMultiline(renderer,font,text,new float[]{-1.75f,-0.2f,-0.5f},0.1,2);
      renderer.popModelMatrix();
    }
    public void drawMultiline(    Renderer renderer,    Font font,    String text,    float[] loc,    double size,    double linelength){
      float left=loc[0];
      float[] nloc={loc[0],loc[1],loc[2]};
      Rectangle2D rect=renderer.getTextBounds(font,text,size);
      float lineheight=(float)(rect.getHeight());
      String[] words=text.split("String_Node_Str");
      int w=0;
      while (w < words.length) {
        String word=words[w];
        nloc[0]+=renderer.drawText(font,word,nloc,size);
        ++w;
        while (w < words.length && nloc[0] < left + linelength) {
          word="String_Node_Str" + words[w];
          rect=renderer.getTextBounds(font,word,size);
          double ll=nloc[0] + rect.getWidth();
          if (ll < left + linelength) {
            renderer.drawText(font,word,nloc,size);
            ++w;
          }
          nloc[0]=(float)ll;
        }
        nloc[0]=left;
        nloc[1]-=lineheight;
      }
    }
    @Override public void prerender(    RenderList list){
    }
    @Override public int getRenderHints(){
      return 0;
    }
    @Override public int numSelectionQueriesNeeded(){
      return 0;
    }
    @Override public boolean isSelectable(){
      return false;
    }
    @Override public void getSelection(    LinkedList<Object> list,    int qid){
    }
    @Override public void setSelected(    boolean set){
    }
    @Override public boolean isSelected(){
      return false;
    }
  }
);
  mv.setAxialView(AxisAlignedRotation.X_Y);
}

Fixed version (ground truth):
@Override protected void addContent(MultiViewer mv){
  final HashMap<String,Font> fontMap=new HashMap<>();
  for (  Font font : GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts()) {
    fontMap.put(font.getName(),font);
  }
  mv.addRenderable(new SimpleSelectable(){
    JFrame debugframe=null;
    @Override public void updateBounds(    Point3d pmin,    Point3d pmax){
      Point3d p1=new Point3d(-3,-3,-3);
      Point3d p2=new Point3d(3,3,3);
      p1.updateBounds(pmin,pmax);
      p2.updateBounds(pmin,pmax);
    }
    @Override public void render(    Renderer renderer,    int flags){
      if (debugframe == null) {
        TextImageStore store=((GLViewer)renderer).getTextRenderer().getImageStore();
        debugframe=TextImageStore.createDisplayFrame(store);
        debugframe.setVisible(true);
      }
      renderer.setShading(Shading.FLAT);
      renderer.setColor(Color.WHITE);
      renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
      Font font=new Font(Font.SANS_SERIF,0,54);
      renderer.drawText(font,"String_Node_Str",new float[]{0.4f,0.3f,0.3f},0.25);
      renderer.setColor(Color.ORANGE);
      String text="String_Node_Str";
      renderer.drawText(font,text,new float[]{-2f,0f,0f},0.25);
      Font comic=fontMap.get("String_Node_Str");
      if (comic == null) {
        comic=new Font(Font.MONOSPACED,Font.BOLD,32);
      }
 else {
        comic=comic.deriveFont(Font.BOLD,32);
      }
      renderer.setColor(Color.CYAN);
      text="String_Node_Str";
      Rectangle2D rect=renderer.getTextBounds(comic,text,0.25);
      renderer.drawText(comic,text,new float[]{-(float)(rect.getWidth()),0.5f,0f},0.25);
      renderer.setColor(Color.MAGENTA);
      text="String_Node_Str";
      font=new Font(Font.SERIF,Font.PLAIN,64);
      rect=renderer.getTextBounds(font,text,0.3);
      renderer.pushModelMatrix();
      RigidTransform3d trans=new RigidTransform3d(new Vector3d(0,-0.4,0),new AxisAngle(0,1,0,Math.toRadians(30)));
      renderer.mulModelMatrix(trans);
      renderer.setFaceStyle(FaceStyle.FRONT);
      renderer.drawText(font,text,Point3d.ZERO,0.3);
      trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0,1,0,Math.PI));
      renderer.mulModelMatrix(trans);
      renderer.drawText(font,text,new Point3d(-rect.getWidth(),0,0),0.3);
      trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0.1,1,0,Math.PI * 1));
      renderer.mulModelMatrix(trans);
      renderer.setShading(Shading.NONE);
      renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
      renderer.setColor(Color.GREEN);
      text="String_Node_Str";
      drawMultiline(renderer,font,text,new float[]{-1.75f,-0.2f,-0.5f},0.1,2);
      renderer.popModelMatrix();
    }
    public void drawMultiline(    Renderer renderer,    Font font,    String text,    float[] loc,    double size,    double linelength){
      float left=loc[0];
      float[] nloc={loc[0],loc[1],loc[2]};
      Rectangle2D rect=renderer.getTextBounds(font,text,size);
      float lineheight=(float)(rect.getHeight());
      String[] words=text.split("String_Node_Str");
      int w=0;
      while (w < words.length) {
        String word=words[w];
        nloc[0]+=renderer.drawText(font,word,nloc,size);
        ++w;
        while (w < words.length && nloc[0] < left + linelength) {
          word="String_Node_Str" + words[w];
          rect=renderer.getTextBounds(font,word,size);
          double ll=nloc[0] + rect.getWidth();
          if (ll < left + linelength) {
            renderer.drawText(font,word,nloc,size);
            ++w;
          }
          nloc[0]=(float)ll;
        }
        nloc[0]=left;
        nloc[1]-=lineheight;
      }
    }
    @Override public void prerender(    RenderList list){
    }
    @Override public int getRenderHints(){
      return 0;
    }
    @Override public int numSelectionQueriesNeeded(){
      return 0;
    }
    @Override public boolean isSelectable(){
      return false;
    }
    @Override public void getSelection(    LinkedList<Object> list,    int qid){
    }
    @Override public void setSelected(    boolean set){
    }
    @Override public boolean isSelected(){
      return false;
    }
  }
);
  mv.setAxialView(AxisAlignedRotation.X_Y);
}