Program: 52043
Project: 52043
Buggy source:
/** 
 * Read bitstream data. It can throw WebApplicationException with code INTERNAL_SERVER_ERROR(500). Caused by three exceptions: IOException if there was problem with reading bitstream file. SQLException if there was problem while reading from database. And AuthorizeException if there was problem with authorization of user logged to DSpace context.
 * @param bitstreamId Id of bitstream, of which will be read data.
 * @param headers If you want to access to item under logged user into context. In headers must be set header "rest-dspace-token" with passed token from login method.
 * @return Returns response with data with content type of file. It canreturn response code NOT_FOUND(404) if there was bad id of bitstream. Or response code UNAUTHORIZED(401) if user is not allowed to read bitstream.
 * @throws WebApplicationException It is throw in this cases: When was problem with reading file data. Or was problem with database reading. Or was problem with creating context. Or problem with authorization.
 */
@GET @Path("String_Node_Str") public javax.ws.rs.core.Response getBitstreamData(@PathParam("String_Node_Str") Integer bitstreamId,@QueryParam("String_Node_Str") String user_ip,@QueryParam("String_Node_Str") String user_agent,@QueryParam("String_Node_Str") String xforwarderfor,@Context HttpHeaders headers,@Context HttpServletRequest request) throws WebApplicationException {
  log.info("String_Node_Str" + bitstreamId + "String_Node_Str");
  org.dspace.core.Context context=null;
  InputStream inputStream=null;
  String type=null;
  try {
    context=createContext(getUser(headers));
    org.dspace.content.Bitstream dspaceBitstream=findBitstream(context,bitstreamId,org.dspace.core.Constants.READ);
    writeStats(dspaceBitstream,UsageEvent.Action.VIEW,user_ip,user_agent,xforwarderfor,headers,request);
    log.trace("String_Node_Str" + bitstreamId + "String_Node_Str");
    inputStream=dspaceBitstream.retrieve();
    type=dspaceBitstream.getFormat().getMIMEType();
    context.complete();
  }
 catch (  IOException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  SQLException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  AuthorizeException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  ContextException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e.getMessage(),context);
  }
 finally {
    processFinally(context);
  }
  return Response.ok(inputStream).type(type).build();
}

Fixed version (ground truth):
/** 
 * Read bitstream data. It can throw WebApplicationException with code INTERNAL_SERVER_ERROR(500). Caused by three exceptions: IOException if there was problem with reading bitstream file. SQLException if there was problem while reading from database. And AuthorizeException if there was problem with authorization of user logged to DSpace context.
 * @param bitstreamId Id of bitstream, of which will be read data.
 * @param headers If you want to access to item under logged user into context. In headers must be set header "rest-dspace-token" with passed token from login method.
 * @return Returns response with data with content type of file. It canreturn response code NOT_FOUND(404) if there was bad id of bitstream. Or response code UNAUTHORIZED(401) if user is not allowed to read bitstream.
 * @throws WebApplicationException It is throw in this cases: When was problem with reading file data. Or was problem with database reading. Or was problem with creating context. Or problem with authorization.
 */
@GET @Path("String_Node_Str") public javax.ws.rs.core.Response getBitstreamData(@PathParam("String_Node_Str") Integer bitstreamId,@QueryParam("String_Node_Str") String user_ip,@QueryParam("String_Node_Str") String user_agent,@QueryParam("String_Node_Str") String xforwarderfor,@Context HttpHeaders headers,@Context HttpServletRequest request) throws WebApplicationException {
  log.info("String_Node_Str" + bitstreamId + "String_Node_Str");
  org.dspace.core.Context context=null;
  InputStream inputStream=null;
  String type=null;
  try {
    context=createContext(getUser(headers));
    org.dspace.content.Bitstream dspaceBitstream=findBitstream(context,bitstreamId,org.dspace.core.Constants.READ);
    writeStats(dspaceBitstream,UsageEvent.Action.VIEW,user_ip,user_agent,xforwarderfor,headers,request,context);
    log.trace("String_Node_Str" + bitstreamId + "String_Node_Str");
    inputStream=dspaceBitstream.retrieve();
    type=dspaceBitstream.getFormat().getMIMEType();
    context.complete();
  }
 catch (  IOException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  SQLException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  AuthorizeException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e,context);
  }
catch (  ContextException e) {
    processException("String_Node_Str" + bitstreamId + "String_Node_Str"+ e.getMessage(),context);
  }
 finally {
    processFinally(context);
  }
  return Response.ok(inputStream).type(type).build();
}