Program: 39083
Project: 39083
Buggy source:
@Override public String registerAgent(String toolName,String agentVersion,String osversion,String configDetails,String trackingDetails) throws InsightsCustomException {
  try {
    String agentId=getAgentkey(toolName);
    Gson gson=new Gson();
    JsonElement jelement=gson.fromJson(configDetails.trim(),JsonElement.class);
    JsonObject json=jelement.getAsJsonObject();
    json.addProperty("String_Node_Str",agentId);
    json.addProperty("String_Node_Str",osversion);
    json.addProperty("String_Node_Str",agentVersion);
    boolean isDataUpdateSupported=false;
    if (json.get(ISDATESUPPORTED) != null && !json.get(ISDATESUPPORTED).isJsonNull()) {
      isDataUpdateSupported=json.get(ISDATESUPPORTED).getAsBoolean();
    }
    String uniqueKey=agentId;
    Date updateDate=Timestamp.valueOf(LocalDateTime.now());
    if (!trackingDetails.isEmpty()) {
      JsonElement trackingJsonElement=gson.fromJson(trackingDetails.trim(),JsonElement.class);
      JsonObject trackingDetailsJson=trackingJsonElement.getAsJsonObject();
      updateTrackingJson(toolName,trackingDetailsJson);
    }
    Path agentZipPath=updateAgentConfig(toolName,json);
    byte[] data=Files.readAllBytes(agentZipPath);
    String fileName=toolName + FILETYPE;
    sendAgentPackage(data,AGENTACTION.REGISTER.name(),fileName,agentId,toolName,osversion);
    performAgentAction(agentId,AGENTACTION.START.name());
    if (!trackingDetails.isEmpty()) {
      deleteTrackingJson(toolName);
    }
    AgentConfigDAL agentConfigDAL=new AgentConfigDAL();
    agentConfigDAL.saveAgentConfigFromUI(agentId,json.get("String_Node_Str").getAsString(),toolName,json,isDataUpdateSupported,uniqueKey,agentVersion,osversion,updateDate);
  }
 catch (  Exception e) {
    log.error("String_Node_Str" + toolName,e);
    throw new InsightsCustomException(e.toString());
  }
  return SUCCESS;
}

Fixed version (ground truth):
@Override public String registerAgent(String toolName,String agentVersion,String osversion,String configDetails,String trackingDetails) throws InsightsCustomException {
  try {
    String agentId=getAgentkey(toolName);
    Gson gson=new Gson();
    JsonElement jelement=gson.fromJson(configDetails.trim(),JsonElement.class);
    JsonObject json=jelement.getAsJsonObject();
    json.addProperty("String_Node_Str",agentId);
    json.addProperty("String_Node_Str",osversion);
    json.addProperty("String_Node_Str",agentVersion);
    json.get("String_Node_Str").getAsJsonObject().addProperty("String_Node_Str",agentId);
    boolean isDataUpdateSupported=false;
    if (json.get(ISDATESUPPORTED) != null && !json.get(ISDATESUPPORTED).isJsonNull()) {
      isDataUpdateSupported=json.get(ISDATESUPPORTED).getAsBoolean();
    }
    String uniqueKey=agentId;
    Date updateDate=Timestamp.valueOf(LocalDateTime.now());
    if (!trackingDetails.isEmpty()) {
      JsonElement trackingJsonElement=gson.fromJson(trackingDetails.trim(),JsonElement.class);
      JsonObject trackingDetailsJson=trackingJsonElement.getAsJsonObject();
      updateTrackingJson(toolName,trackingDetailsJson);
    }
    Path agentZipPath=updateAgentConfig(toolName,json);
    byte[] data=Files.readAllBytes(agentZipPath);
    String fileName=toolName + FILETYPE;
    sendAgentPackage(data,AGENTACTION.REGISTER.name(),fileName,agentId,toolName,osversion);
    performAgentAction(agentId,AGENTACTION.START.name());
    if (!trackingDetails.isEmpty()) {
      deleteTrackingJson(toolName);
    }
    AgentConfigDAL agentConfigDAL=new AgentConfigDAL();
    agentConfigDAL.saveAgentConfigFromUI(agentId,json.get("String_Node_Str").getAsString(),toolName,json,isDataUpdateSupported,uniqueKey,agentVersion,osversion,updateDate);
  }
 catch (  Exception e) {
    log.error("String_Node_Str" + toolName,e);
    throw new InsightsCustomException(e.toString());
  }
  return SUCCESS;
}