Tutorials
Spring Boot
Spring Boot Async Event Listener
In this post, we’ll look at how to execute a spring boot event
Spring Boot Event Listener Annotation Example
In this post, we’ll look at how to use spring boot annotations to
Spring Boot Event Listener not working
Spring Boot Event Listener is not working because the event listener is not
How to read data from database and write to CSV
In this post, we’ll look at how to use spring boot batch to
How to read data from CSV file and store it
In this article, we’ll explore at how to read data from a CSV
Python
TypeError: can’t multiply sequence by non-int of type ‘float’
The TypeError: can’t multiply sequence by non-int of type ‘float’
AttributeError: ‘dict’ object has no attribute ‘append’
The python AttributeError: ‘dict’ object has no attribute ‘append’ error
AttributeError: ‘NoneType’ object has no attribute ‘append’
The AttributeError: ‘NoneType’ object has no attribute ‘append’ error happens
TypeError: unsupported operand type(s) for +: ‘NoneType’ and ‘int’
In python, TypeError: unsupported operand type(s) for +: ‘NoneType’ and
TypeError: unsupported operand type(s) for -: ‘str’ and ‘str’
The python error TypeError: unsupported operand type(s) for -: ‘str’
Spring Boot
Table “BATCH_JOB_INSTANCE” not found; SQL statement – Spring Boot Batch
org.springframework.jdbc.BadSqlGrammarException: PreparedStatementCallback; bad SQL grammar [SELECT JOB_INSTANCE_ID, JOB_NAME from BATCH_JOB_INSTANCE
java.lang.IllegalArgumentException: URI is not absolute
java.lang. IllegalArgumentException: URI is not absolute occurs when a relative
Missing URI template variable for method parameter of type String
The spring boot exception Missing URI template variable for method parameter of type String occurs when the path variable name in the @RequestMapping annotation is different from the @PathVariable name. The name of the path variable should be the same in @RequestMapping and @PathVariable. If there is some mismatch, the exception Missing URI template variable for method parameter of type String would be thrown. The path variable is added as part of the request url in the @RequestMapping annotation. The path variable is covered by curly brackets. The path variable is added to the method parameter with a @PathVariable annotation. The name of the method parameter and the name of the path variable should be the same to avoid an exception Missing URI template variable ” for method parameter of type String. Exception The exception Missing URI template variable for method parameter of type String will
Post a JSON data with curl
How to post a JSON data with curl – In
UnsatisfiedDependencyException: Error creating bean with name defined in file
The spring boot exception org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name