WSO2 Identity Server error starting, cannot find admin

Starting WSO2 Identity Server for the first time gives me this error: "Caused by: org.wso2.carbon.user.core.UserStoreException: Admin user can not be created in primary user store. User store is...

Can I overload a "cast from null" operator in C#?

I have a struct type in C#. I want to be able to convert null implicitly to this type. For instance, null could be represented by a special value of the struct type and the cast operator should...

How to return a "Tuple type" in a UDF in PySpark?

All the data types in pyspark.sql.types are: __all__ = [ "DataType", "NullType", "StringType", "BinaryType", "BooleanType", "DateType", "TimestampType", "DecimalType", "DoubleType",...

TypeError when converting Pandas to Spark

So I have looked up this question on here but previous solutions have not worked for me. I have a DataFrame in this format mdf.head() dbn boro bus 0 17K548 Brooklyn B41, B43, B44-SBS,...

Getting java.lang.RuntimeException: Unsupported data type NullType when turning a dataframe into permanent hive table

I am newbie in spark . I have created a data frame by using sql query inside pyspark. i want to make it as permanent table for getting advantage in future work. i used bellow...

Union of two Spark dataframes with different columns

I am trying to union two Spark dataframes with different set of columns. For this purpose, I referred to following link...

Mongo Spark Connector: MongoTypeConversionException Cannot cast DATE_TIME into a NullType

I am trying to read from a mongo source and apply some transformation on it. But when I try to apply any transformation or even do a df.count(). I get the following...

SQLAlchemy:sqlalchemy.exc.CompileError Can't generate DDL for NullType()

i use python3.7 \mysql5.7\ flask:0.12.2 \Flask-SQLAlchemy:2.3.2\PyMySQL:0.9.2 code: config.py SQLALCHEMY_DATABASE_URI =...

How to handle NullType in Spark Dataframe using Python?

I'm trying to load data from MapR DB into Spark DF. Then I'm just trying to export the DF to CSV files. But, I'm getting error is: "com.mapr.db.spark.exceptions.SchemaMappingException: Failed to...

withColumnRenamed changes the null type of Column

df = df.withColumnRenamed('mail', 'EmailAddress') changes the nulltype i declared as part of schema (declared as false). is there a way to not let this happen? Nothing in the pyspark...

How to Alter Table from SparkSQL based on the DataFrame without dropping the hive table, like drop/add columns?

I am Trying to Alter a Hive Table using Spark, like adding columns or dropping columns from the Hive table based on the Spark DataFrame output. Below is what I tried, kind of a huge code, def...

Connecting WSO2 IS to SQL Server

I am trying to change the default db of my wso2 is using this https://renukahosamani.wordpress.com/2017/02/23/setting-up-microsoft-sql-as-default-database-for-wso2-ei-6-0/ I have followed all the...

WSO2 Identity server Error starting LDAP server

installed Wso2 as shown in wso2 documentation, changed the default db to mssql and now i keep getting errors on trying to restart the server it is running on ubuntu ERROR...

Possible false positive for clang-analyzer (garbage or undefined)

The code bellow gives a "Result of operation is garbage or undefined" in clang analyzer, but only when the initialization is done with curly braces. This happens with std=c++17, but not with...

how to fix "ERROR MongoRDD: WARNING: Partitioning failed. Partitioning using the 'DefaultMongoPartitioner$' failed." in pyspark

When I run the code locally it runs fine but when I run in the server the same code I get the above error. When I run locally I read the data from local mongodb then I have no error. But when I...

ORA-12705 NLS_LANG error when deploying Oracle as database for WSO2 APIM

I'm facing an issue when setting WSO2 APIM databases with Oracle. When I launch the WSO2 APIM server, I get the fllowing error : ORA-12705: Cannot access NLS data files or invalid environment...

Saving empty dataframe to parquet results in error - Spark 2.4.4

I have a piece of code where at the end, I am write dataframe to parquet file. The logic is such that the dataframe could be empty sometimes and hence I get the below...

master-datasources.xml content always revert back to initial configuration when I start wso2server 5.9

I am beginner to WSO2, and I'm trying to configure Identity server data-source to PostgreSQL, using the documentation. JDBC driver used My latest master-datasources.xml...

Upgrading WSO2 IS 5.9 to WSO2 IS 5.10 failed due to "Unknown column 'UM_USER_ID' in 'field list'"

I was trying to upgrade my existing WSO2 IS 5.9 instance to WSO2 IS 5.10. However, the migration failed with the JDBC error "Unknown column 'UM_USER_ID' in 'field list" even though I had followed...

wso2 identity server 5.10.0 while setting up with JDBC userstore getting error

I am trying to setup wso2 identity server 5.10.0 getting error UM_USER_ID not able to insert admin user. Is any issue in dbscript ID: [-1] [] [2020-04-02 23:32:40,143] [] INFO...

How to connect to external PRIMARY LDAP server WSO2IS 5.10.0

I am trying to set up an external LDAP (openldap-2.4.31) server with WSO2IS, for that I have changed some configuration in deployment.toml here is the sample of my...

R mice package in Python

I'm tring to run R mice package on Python via Jupyter. I'm struggling with many errors and technical issues. Let's take the Iris dataset and insert some na's: import numpy as np import pandas as...

How to make external ldap as primary user store in wso2 identity server 5.10.0

I am trying to setup Apache Directory studio as external ldap(Primary user store) in wso2is 5.10.0 with following configuration in deployment.toml file [super_admin] username = "admin" password =...

How to retrieve authorized information from Fantasy Premier League using React

I was hoping that someone could help me out here. I am creating a small Fantasy Football Premier League app using React. There is user specific information that needs authentication before...

MongoDb - Spark - Cannot cast STRING into a NullType (value: BsonString{value='4492148'})

I am trying to extract Data from MongoDb to my DF. Using Java Spark Below is the sample Code :- SparkConf conf = new SparkConf() .setAppName("MongoSparkConnectorTour") ...

PySpark: cast nullType field as string under struct type column

I have a dataframe which has the following schema. The translation_version field under translations --> languages (no, pt,...) column is in null. I want to cast all translation_version as string....

Pyspark nullable uuid type uuid but expression is of type character varying

Given a table design with a non-nullable uuid column AND a nullable uuid column, how does one insert using python 3.7.9 with Pyspark 2.4.3 dataframe and postgresql-42.2.18.jar driver? table_df =...

Null type in standard C++ library

Is there some special null type and value in standard C++ library, e.g. defined as struct null_type_t {};? I want to use it in different places to signify that there is no value passed. E.g. to...

WSO2 IS - org.wso2.carbon.user.core.UserStoreException: null

I'm running a WSO2 container with all products together(apim-is-as-km-with-analytics) using mysql as database and I'm facing an error when the docker compose starts. My problem is on wso2-is...

AttributeError: module 'sqlalchemy' has no attribute 'NullType'

I am trying to configure flask SQLAlchemy with MySQLWorkBench, The following command works good. flask db migrate -m'Config' But when i try to execute flask db upgrade I am getting following...