Author Archives: Robins

Please note that the module “sacrableu” has no “compute blue” attribute

Recently, I encountered the following errors when installing fairseq running experiment in machine translation related tasks:

AttributeError: module 'sacrebleu' has no attribute 'compute_bleu'

After consulting, it is a problem with sacrableu version 2.0. Only the following operations are required:

pip uninstall sacrebleu
pip install sacrebleu==1.5.1

Problem solved!

[Solved] SpringBoot Error: This application has no explicit mapping for /error,so you are seeing this as a fallback

[problem phenomenon]

In springboot, when there is no error in the request link and the controller configuration, an error will be prompted when accessing a controller link interface:


This application has no explicit mapping for /error,so you are seeing this as a fallback

[reason]

The request cannot find the corresponding bean for processing. If there is no error in the request link and the controller configuration, it may also be the problem of springbootapplication package scanning, as follows:

By default, the @springbootapplication annotation will only the beans of this package and its sub-packages, resulting in the corresponding controller beans not being loaded into the spring container

[solution]

Scheme I:

Move all controller classes to the same level package or sub package of application class, as shown in the figure:

Scheme II:

If you don’t want to change the file location, you can specify the scanned package with the @ springbootapplication annotation:


@SpringBootApplication(scanBasePackages="com.kid")

c# Newtonsoft.Json.JsonReaderException: ‘Error reading JArray from JsonReader. Path ‘‘, line 0

When the data queried by c# datatable is converted to JSON object, the following error is reported.

Newtonsoft.Json.JsonReaderException: 'Error reading JArray from JsonReader. Path '', line 0, position 0.

The reason for this problem is that the queried data set directly becomes a string, and then an error is reported when it is empty
solution: add judgment

		if (jsonStr.Length > 0)
                {
                    JArray jArray = JArray.Parse(jsonStr);
                    JProperty Data = new JProperty("Data", jArray);
                    ZzjDataObj.Add(Data);
                }
                else
                {
                    JArray jArray = new JArray();
                    JProperty Data = new JProperty("Data", jArray);
                    ZzjDataObj.Add(Data);
                }

nginx: error while loading shared libraries: libluajit-5.1.so.2: cannot open

Installation steps:

1. Download and install luajit 2.1 (both 2.0 and 2.1 are supported, and 2.1 is officially recommended): http://luajit.org/download.html 

cd /usr/local/src
wget http://luajit.org/download/LuaJIT-2.1.0-beta3.tar.gz
tar zxvf LuaJIT-2.1.0-beta3.tar.gz
cd LuaJIT-2.1.0-beta2
make PREFIX=/usr/local/luajit
make install PREFIX=/usr/local/luajit

Error querying database.Cause:java.sql.SQLSyntaxErrorException:ORA-00911:invalid character

This problem is well positioned. At first glance, it is the problem of parameter transmission. Through this error report, the first thing to consider is the like part of the query condition.

  The main idea of this problem is 1. Special characters are passed, such as’ ‘  

                                  2. See if the like query uses #{} or ${}

                                  3. Is there a problem with where involving parameter statements

 

 

SAP SQL error “SQL code: -10692“ occurred while accessing table “ZTXXXX“.

report errors

resolvent

Note：SQL code: -10692 occurred while accessing table < TABLE_ NAME> Use the report cucastat to reset the statement cache for the instance.

The instance list can be viewed through transaction sm51. Execute the program cucastat in transaction se38; Alternatively, call transaction al12 and select monitor – & gt; cursor cache from the menu.

Select this server. Then select the reset button.

Error encountered during QT + opencv compilation: file not recognized: file format not recognized error resolution

catalogue

1. Error message:

2. Analysis  

3. Solution

1. Error message:

D:\InstallSoftware\opencv\OpenCV-MinGW-Build-OpenCV-4.5.2-x64\x64\mingw\bin\libopencv_ calib3d452.dll:-1: error: file not recognized: File format not recognized

2. Analysis  

This is because the opencv compiled file version is different from the QT project version. You should choose the correct version of the toolkit.

3. Solution

For example, my opencv compilation file is opencv build_ 64 bit, then select MinGW 64 bit for the project.

 

AttributeError: module ‘pkg_resources‘ has no attribute ‘declare_namespace‘

Record a problem. Anaconda3 CONDA version 4.6.7 is installed NB_ CONDA failed and damaged the original environment, resulting in an error as shown in the title.

It is speculated that there is a problem with the dependency. First, check the piptree and find that all dependencies are satisfied. However, I manually updated setuptools during the process of CONDA update CONDA. Although the update of CONDA update CONDA failed, the version of setuptools has been updated to 58.0.0,

– setuptools [required: >=36, installed: 58.0.0]

The highest requirement is only 36. It is suspected that the version is too new and the old version is not compatible. Then I tried the degraded version

pip uninstall setuptools

pip install setuptools==36.0.2

Problem solving.