Failed to start bean ‘documentationPluginsBootstrapper’; nested exception is java.lang.NullPointerException

You might encounter the “Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException” error while upgrading Spring Boot and Swagger […]

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How to remove vowels from a string in Java

In this example, we are going to remove/eliminate all the vowels from a string in Java. In our alphabets we […] Continue reading »

Swap two numbers in Java

On this page, we are going to swap the value of two integers. Sometimes you need to swap/interchange the value […] Continue reading »

Deploy jasper reports in JasperReports Server using Parameters

This JasperReports Server tutorial will explain how to control input parameter in JasperReports Server. To control the inputs parameter we […] Continue reading »

Create a Data Source in JasperReports Server

On this page, we are going to show you how to create a new Data Source in JasperReports Server. Data […] Continue reading »

How to deploy jasper reports in JasperReports Server

In this tutorial, we are going to show how to add and run the report (.jrxml file) in JasperReports Server. […] Continue reading »

How to create new role and grant permission to role in JasperReports Server

In this tutorial, we are going to show how to create a new role inJasperReports Server. By creating a new […] Continue reading »

How to create user in JasperReports Server

In this tutorial, we are going to show how to add a new user inJasperReports Server. JasperReports Server manages the […] Continue reading »

How to display Image in JSP from database using Struts 2

In this Struts 2 tutorials we are going to retrieve the images from database and display on JSP pages. As […] Continue reading »

How to get System Information in Java

In this article, we will get the system details using Java program. Sometimes we need we need to display or […] Continue reading »

How to upload Image in database using Struts 2

In this tutorial, we are going to explain how to Upload/Insert images in the database using Struts 2. First of […] Continue reading »

How to insert line number in file using Java

In this example, we are going to show to add Line Number in a file using java program. Here we […] Continue reading »

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