Program: 177999
Project: 177999
Buggy source:
/** 
 * Publish a GeoTiff already in a filesystem readable by GeoServer.
 * @param workspace an existing workspace
 * @param storeName the coverageStore to be created
 * @param geotiff the geoTiff to be published
 * @return a PublishedCoverage, or null on errors
 * @throws FileNotFoundException
 */
public RESTCoverageStore publishExternalGeoTIFF(String workspace,String storeName,File geotiff,String srs,String defaultStyle) throws FileNotFoundException {
  String sUrl=restURL + "String_Node_Str" + workspace+ "String_Node_Str"+ storeName+ "String_Node_Str";
  String sendResult=HTTPUtils.put(sUrl,geotiff.toURI().toString(),"String_Node_Str",gsuser,gspass);
  RESTCoverageStore store=RESTCoverageStore.build(sendResult);
  if (store != null) {
    try {
      GeoServerRESTReader reader=new GeoServerRESTReader(restURL,gsuser,gspass);
      RESTCoverageList covList=reader.getCoverages(workspace,storeName);
      if (covList.isEmpty()) {
        LOGGER.error("String_Node_Str" + storeName);
        return null;
      }
      final String coverageName=covList.get(0).getName();
      GSCoverageEncoder coverageEncoder=new GSCoverageEncoder();
      coverageEncoder.addName(FilenameUtils.getBaseName(geotiff.getName()));
      coverageEncoder.addSRS(srs);
      coverageEncoder.addProjectionPolicy(ProjectionPolicy.REPROJECT_TO_DECLARED);
      configureCoverage(coverageEncoder,workspace,storeName,coverageName);
      GSLayerEncoder layerEncoder=new GSLayerEncoder();
      layerEncoder.addDefaultStyle(defaultStyle);
      configureLayer(workspace,coverageName,layerEncoder);
    }
 catch (    Exception e) {
      LOGGER.warn("String_Node_Str" + storeName,e);
      store=null;
    }
  }
  return store;
}

Fixed version (ground truth):
/** 
 * Publish a GeoTiff already in a filesystem readable by GeoServer.
 * @param workspace an existing workspace
 * @param storeName the coverageStore to be created
 * @param geotiff the geoTiff to be published
 * @param coverageEncoder
 * @param layerEncoder
 * @return true if successfully configured
 * @throws FileNotFoundException
 * @throws IllegalArgumentException if null parameter
 */
public RESTCoverageStore publishExternalGeoTIFF(final String workspace,final String storeName,final File geotiff,final GSCoverageEncoder coverageEncoder,final GSLayerEncoder layerEncoder) throws IllegalArgumentException, FileNotFoundException {
  if (workspace == null || geotiff == null || storeName == null || layerEncoder == null || coverageEncoder == null)   throw new IllegalArgumentException("String_Node_Str");
  final String coverageName=coverageEncoder.getName();
  if (coverageName.isEmpty()) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  final boolean store=publishExternalCoverage(workspace,storeName,CoverageStoreExtension.geotiff,"String_Node_Str",geotiff,ParameterConfigure.NONE,ParameterUpdate.OVERWRITE);
  if (!store) {
    return null;
  }
  if (!createCoverage(workspace,storeName,coverageEncoder)) {
    if (LOGGER.isEnabledFor(Level.ERROR))     LOGGER.error("String_Node_Str" + coverageName);
    return null;
  }
  if (configureLayer(workspace,coverageName,layerEncoder)) {
    GeoServerRESTReader reader;
    try {
      reader=new GeoServerRESTReader(this.restURL,this.gsuser,this.gspass);
      return reader.getCoverageStore(workspace,storeName);
    }
 catch (    MalformedURLException e) {
      LOGGER.log(Level.ERROR,e.getMessage(),e);
    }
  }
  return null;
}