Program: 52177
Project: 52177
Buggy source:
/** 
 * Get the URL by which the METS manifest refers to a Bitstream member within the same package.  In other words, this is generally a relative path link to where the Bitstream file is within the Zipped up AIP. <p> For a manifest-only AIP, this is a reference to an HTTP URL where the bitstream should be able to be downloaded from. An external AIP names a file in the package with a relative URL, that is, relative pathname.
 * @param bitstream  the Bitstream
 * @param params Packager Parameters
 * @return String in URL format naming path to bitstream.
 */
@Override public String makeBitstreamURL(Bitstream bitstream,PackageParameters params){
  if (params != null && (params.getBooleanProperty("String_Node_Str",false))) {
    try {
      String handle=null;
      Bundle[] bn=bitstream.getBundles();
      if (bn.length > 0) {
        Item bi[]=bn[0].getItems();
        if (bi.length > 0) {
          handle=bi[0].getHandle();
        }
      }
      if (handle != null) {
        return ConfigurationManager.getProperty("String_Node_Str") + "String_Node_Str" + handle+ "String_Node_Str"+ String.valueOf(bitstream.getSequenceID())+ "String_Node_Str"+ URLEncoder.encode(bitstream.getName(),"String_Node_Str");
      }
    }
 catch (    SQLException e) {
      log.error("String_Node_Str",e);
    }
catch (    UnsupportedEncodingException e) {
      log.error("String_Node_Str",e);
    }
    return bitstream.getName();
  }
 else {
    String base="String_Node_Str" + String.valueOf(bitstream.getID());
    String ext[]=bitstream.getFormat().getExtensions();
    return (ext.length > 0) ? base + "String_Node_Str" + ext[0] : base;
  }
}

Fixed version (ground truth):
/** 
 * Get the URL by which the METS manifest refers to a Bitstream member within the same package.  In other words, this is generally a relative path link to where the Bitstream file is within the Zipped up AIP. <p> For a manifest-only AIP, this is a reference to an HTTP URL where the bitstream should be able to be downloaded from. An external AIP names a file in the package with a relative URL, that is, relative pathname.
 * @param bitstream  the Bitstream
 * @param params Packager Parameters
 * @return String in URL format naming path to bitstream.
 */
@Override public String makeBitstreamURL(Bitstream bitstream,PackageParameters params){
  if (params != null && (params.getBooleanProperty("String_Node_Str",false))) {
    try {
      String handle=null;
      Bundle[] bn=bitstream.getBundles();
      if (bn.length > 0) {
        Item bi[]=bn[0].getItems();
        if (bi.length > 0) {
          handle=bi[0].getHandle();
        }
      }
      if (handle != null) {
        return ConfigurationManager.getProperty("String_Node_Str") + "String_Node_Str" + handle+ "String_Node_Str"+ String.valueOf(bitstream.getSequenceID())+ "String_Node_Str"+ URLEncoder.encode(bitstream.getName(),"String_Node_Str");
      }
 else {
        return ConfigurationManager.getProperty("String_Node_Str") + "String_Node_Str" + String.valueOf(bitstream.getID());
      }
    }
 catch (    SQLException e) {
      log.error("String_Node_Str",e);
    }
catch (    UnsupportedEncodingException e) {
      log.error("String_Node_Str",e);
    }
    return bitstream.getName();
  }
 else {
    String base="String_Node_Str" + String.valueOf(bitstream.getID());
    String ext[]=bitstream.getFormat().getExtensions();
    return (ext.length > 0) ? base + "String_Node_Str" + ext[0] : base;
  }
}