Simple wordcount and basics of Apache Beam
Apache Beam is a unified programming model that can perform data processing using pipelines, it has the ability to perform an operation on Batch and Streaming mode. Beam provides SDKs with various programming languages to create a pipeline and runners which will be used to run your pipeline with different providers like Apache Apex Apache
Spring Boot: Failed to parse multipart servlet request; nested exception is java.io.IOException
Guys, Here i am providing a quick resolution to the error thrown by container while uploading multipart content. Error:
Root Causes: Spring will use temp directory as a intermidiate location while doing multipart operation, container will create directory named tomcat.* to store files temporaraly. As temp location will be used by mutple application OS will
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org.springframework.web.multipart.MultipartException: Failed to parse multipart servlet request; nested exception is java.io.IOException: The temporary upload location [/tmp/tomcat.3966508010119674561.8080/work/<wbr />Tomcat/localhost/api] is not valid |
Java Interview experience with XATON (Mobiquity Now)
Company: Mobiquity Inc. Interview Time: Mar 2013 Tell about your projects on which you are working. Thread What’s your scenario for thread Know about multithread. If you are using for http request than why ? because servlet is create thread on How inter thread communication is done Wait(), sleep(), yield(), notify(), notifyall(). Collection Collection used your
Java, Spring Boot interview experience with Cignex, Ahmedabad
Company: CIGNEX Datamatics Pvt.Ltd Interview Time: Jan 2018 Spring Boot/Microservices What is microservice ? Any other way to create microservice apart from spring boot. How multiple microservices are talking with eachother How to configure other orm using spring-jpa, default is Hibernate Difference between @Persistentcontext and @Autowired for Entitymanager Code: Expose rest apis for employee table.
Java, Spring Boot interview experience with Cybage, Gandhinagar
Company: Cybage Inteview Time: March 2018 Round 1 Introduction Give name of tools used in the past MSA (micro service architecture) What is eureka Rate yourself in different technology What is EJB Spring framework and modules introduction Full form of REST Any other framework that supports REST ? What is docker? What is main config
JPA: How to apply Row Level Filter
Guys, Recently we got requirement to build an application where row level filter is required. example: Application provides service to different clients and we have to separate data for each client so no client can access other clients data. Tech Stack Spring JPA/Hibernate Any Database Add common field to every Entity To distinguish data clientwise
Spring-Boot application.properties and yml property/file precedence: Interview Experience
Guys, Again sharing one more spring boot interview experience. This is a part 2 of our previous blog we have explained Which file will be used by spring boot if one file(application.properties) is present at your src/main/resources path inside the jar and one more file present parallel to your jar file in file system ? In
How Spring-Boot autocofiguration works?
Guys, "How Spring-Boot autocofiguration works?" This is a common question you will face in interview for java, microservice interiew. Here is some tips ... How spring-boot will autoconfigure works ? Spring-boot engine will scan your classpath and try to build required beans/configuration based on given configuration/properties. example: If you have added spring-boot-starter-data-jpa dependecy in your
Handling FallBack and TimeOut in MicroService using Hystrix
Guys, Let’s look into a useful feature that we should use while working with microservice architecture. While working with this type of architecture, especially you are exposing your services as an API and available for third party use you have to be careful to provide proper response and in timely fashion. Goal Our primary goal
Spring boot: Documenting an Microservices using Swagger
Today I would like to share simple but helpful concept for documenting an API using swagger. In traditional approach people are creating a document to to show API detail. We are facing multiple issue in approach like We need to change a document if API changed. For very large project it would be hard to
