Apache Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Related Interview Questions

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What are dsls and which dsls have you used?

How to copy file from one location to other using java DSL in camel?

What is default registry in camel?

What is difference between SEDA and VM component in camel?

What are routes in apache camel?

What is MEP in camel?

What is the default error handler in camel?

How camel handles multiple parameter binding in bean method?

What is a producer and a consumer endpoint?

How is data passed between the routes?

What is camel registry?

Have you use database with apache camel?

What is Exchange in camel?

What is difference between routing slip and dynamic router?

What is Composed Message Processor Pattern?

Un-Answered Questions { Apache Related }

Explain how to use pmd validation in ant script?

125

Can you define multiviews?

give the example of username validation in apache-wicket?

Explain how storm ui can be used in topology?

What is apache ant?

117

How log4j file is defined?

Explain how to use clean in ant script?

List out different stream grouping in apache storm?

What clients are supported?

What is nifi flowfile?

What is the purpose of hssfsheet class in apache poi?

Enlist few good uses for apache camel?

Explain the major components of apache storm system?

How will you add a power formular to a cell using apache poi?

why do you get multiple copies of the message in log file sometime?

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