Program: 90333
Project: 90333
Buggy source:
/** 
 * Called when a job needs to be executed.
 * @param mapGeneratorJob the job that should be executed.
 * @param bitmap the bitmap for the generated map tile.
 * @return true if the job was executed successfully, false otherwise.
 */
public boolean executeJob(MapGeneratorJob mapGeneratorJob,android.graphics.Bitmap bitmap){
  this.currentTile=mapGeneratorJob.tile;
  XmlRenderTheme jobTheme=mapGeneratorJob.jobParameters.jobTheme;
  if (!jobTheme.equals(this.previousJobTheme)) {
    this.renderTheme=getRenderTheme(jobTheme);
    if (this.renderTheme == null) {
      this.previousJobTheme=null;
      return false;
    }
    createWayLists();
    this.previousJobTheme=jobTheme;
    this.previousZoomLevel=Byte.MIN_VALUE;
  }
  byte zoomLevel=this.currentTile.zoomLevel;
  if (zoomLevel != this.previousZoomLevel) {
    setScaleStrokeWidth(zoomLevel);
    this.previousZoomLevel=zoomLevel;
  }
  float textScale=mapGeneratorJob.jobParameters.textScale;
  if (Float.compare(textScale,this.previousTextScale) != 0) {
    this.renderTheme.scaleTextSize(textScale);
    this.previousTextScale=textScale;
  }
  if (this.mapDatabase != null) {
    MapReadResult mapReadResult=this.mapDatabase.readMapData(this.currentTile);
    processReadMapData(mapReadResult);
  }
  this.nodes=this.labelPlacement.placeLabels(this.nodes,this.pointSymbols,this.areaLabels,this.currentTile);
  this.canvasRasterer.setCanvasBitmap(bitmap);
  this.canvasRasterer.fill(this.renderTheme.getMapBackground());
  this.canvasRasterer.drawWays(this.ways);
  this.canvasRasterer.drawSymbols(this.waySymbols);
  this.canvasRasterer.drawSymbols(this.pointSymbols);
  this.canvasRasterer.drawWayNames(this.wayNames);
  this.canvasRasterer.drawNodes(this.nodes);
  this.canvasRasterer.drawNodes(this.areaLabels);
  if (mapGeneratorJob.debugSettings.drawTileFrames) {
    this.canvasRasterer.drawTileFrame();
  }
  if (mapGeneratorJob.debugSettings.drawTileCoordinates) {
    this.canvasRasterer.drawTileCoordinates(this.currentTile);
  }
  clearLists();
  return true;
}

Fixed version (ground truth):
/** 
 * Called when a job needs to be executed.
 * @param mapGeneratorJob the job that should be executed.
 * @param bitmap the bitmap for the generated map tile.
 * @return true if the job was executed successfully, false otherwise.
 */
public boolean executeJob(MapGeneratorJob mapGeneratorJob,android.graphics.Bitmap bitmap){
  this.currentTile=mapGeneratorJob.tile;
  XmlRenderTheme jobTheme=mapGeneratorJob.jobParameters.jobTheme;
  if (!jobTheme.equals(this.previousJobTheme)) {
    if (this.renderTheme != null) {
      this.renderTheme.destroy();
    }
    this.renderTheme=getRenderTheme(jobTheme);
    if (this.renderTheme == null) {
      this.previousJobTheme=null;
      return false;
    }
    createWayLists();
    this.previousJobTheme=jobTheme;
    this.previousZoomLevel=Byte.MIN_VALUE;
  }
  byte zoomLevel=this.currentTile.zoomLevel;
  if (zoomLevel != this.previousZoomLevel) {
    setScaleStrokeWidth(zoomLevel);
    this.previousZoomLevel=zoomLevel;
  }
  float textScale=mapGeneratorJob.jobParameters.textScale;
  if (Float.compare(textScale,this.previousTextScale) != 0) {
    this.renderTheme.scaleTextSize(textScale);
    this.previousTextScale=textScale;
  }
  if (this.mapDatabase != null) {
    MapReadResult mapReadResult=this.mapDatabase.readMapData(this.currentTile);
    processReadMapData(mapReadResult);
  }
  this.nodes=this.labelPlacement.placeLabels(this.nodes,this.pointSymbols,this.areaLabels,this.currentTile);
  this.canvasRasterer.setCanvasBitmap(bitmap);
  this.canvasRasterer.fill(this.renderTheme.getMapBackground());
  this.canvasRasterer.drawWays(this.ways);
  this.canvasRasterer.drawSymbols(this.waySymbols);
  this.canvasRasterer.drawSymbols(this.pointSymbols);
  this.canvasRasterer.drawWayNames(this.wayNames);
  this.canvasRasterer.drawNodes(this.nodes);
  this.canvasRasterer.drawNodes(this.areaLabels);
  if (mapGeneratorJob.debugSettings.drawTileFrames) {
    this.canvasRasterer.drawTileFrame();
  }
  if (mapGeneratorJob.debugSettings.drawTileCoordinates) {
    this.canvasRasterer.drawTileCoordinates(this.currentTile);
  }
  clearLists();
  return true;
}