Program: 94409
Project: 94409
Buggy source:
private Response getCoverage(MultivaluedMap<String,String> allParams,ProviderProperties providerProperties){
  String versionStr=getQueryParam(allParams,"String_Node_Str",WCS_VERSION);
  version=new Version(versionStr);
  String layer;
  if (version.isLess("String_Node_Str")) {
    layer=getQueryParam(allParams,"String_Node_Str");
  }
 else {
    layer=getQueryParam(allParams,"String_Node_Str");
  }
  if (layer == null) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  String crs;
  Bounds bounds=null;
  try {
    if (version.isLess("String_Node_Str")) {
      bounds=getBoundsParam(allParams,"String_Node_Str",null);
    }
 else {
      bounds=getBoundsParam(allParams,"String_Node_Str",null);
    }
    crs=getCrsParam(allParams);
  }
 catch (  Exception e) {
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
  String format=getQueryParam(allParams,"String_Node_Str");
  if (format == null) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  int width=getQueryParamAsInt(allParams,"String_Node_Str",-1);
  if (width < 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
 else   if (width == 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  int height=getQueryParamAsInt(allParams,"String_Node_Str",-1);
  if (height < 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
 else   if (height == 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  ImageRenderer renderer;
  try {
    renderer=(ImageRenderer)ImageHandlerFactory.getHandler(format,ImageRenderer.class);
  }
 catch (  Exception e) {
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
  try {
    bounds=RequestUtils.reprojectBounds(bounds,crs);
  }
 catch (  Exception e) {
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
  try {
    log.info("String_Node_Str" + layer);
    Raster result=renderer.renderImage(layer,bounds,width,height,providerProperties,crs);
    log.info("String_Node_Str");
    Response.ResponseBuilder builder=((ImageResponseWriter)ImageHandlerFactory.getHandler(format,ImageResponseWriter.class)).write(result,layer,bounds);
    log.info("String_Node_Str");
    return builder.build();
  }
 catch (  Exception e) {
    log.error("String_Node_Str",e);
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
}

Fixed version (ground truth):
private Response getCoverage(MultivaluedMap<String,String> allParams,ProviderProperties providerProperties){
  String versionStr=getQueryParam(allParams,"String_Node_Str",WCS_VERSION);
  version=new Version(versionStr);
  String layer;
  if (version.isLess("String_Node_Str")) {
    layer=getQueryParam(allParams,"String_Node_Str");
  }
 else {
    layer=getQueryParam(allParams,"String_Node_Str");
  }
  if (layer == null) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  String crs;
  Bounds bounds=null;
  try {
    if (version.isLess("String_Node_Str")) {
      bounds=getBoundsParam(allParams,"String_Node_Str",null);
    }
 else {
      bounds=getBoundsParam(allParams,"String_Node_Str",null);
    }
    crs=getCrsParam(allParams);
  }
 catch (  Exception e) {
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
  String format=getQueryParam(allParams,"String_Node_Str");
  if (format == null) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  int width=getQueryParamAsInt(allParams,"String_Node_Str",-1);
  if (width < 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
 else   if (width == 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  int height=getQueryParamAsInt(allParams,"String_Node_Str",-1);
  if (height < 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
 else   if (height == 0) {
    return writeError(Response.Status.BAD_REQUEST,"String_Node_Str");
  }
  ImageRenderer renderer;
  try {
    renderer=(ImageRenderer)ImageHandlerFactory.getHandler(format,ImageRenderer.class);
  }
 catch (  Exception e) {
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
  try {
    log.info("String_Node_Str" + layer);
    Raster result=renderer.renderImage(layer,bounds,width,height,providerProperties,crs);
    log.info("String_Node_Str");
    Response.ResponseBuilder builder=((ImageResponseWriter)ImageHandlerFactory.getHandler(format,ImageResponseWriter.class)).write(result,layer,bounds);
    log.info("String_Node_Str");
    return builder.build();
  }
 catch (  Exception e) {
    log.error("String_Node_Str",e);
    return writeError(Response.Status.BAD_REQUEST,e.getMessage());
  }
}