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

Apache Related Interview Questions

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what is Log4j?

what are the system properties checked by log4j?

what is the difference between Threshold and LevelRangeFilter in log4j?

how can you get multiple processes to log to the same file?

what are Appenders in Log4j?

what is the command to write your logging information into a file?

what is the role of filter in log4j?

Explain whether a log output format can be customized?

How log4j file is defined?

what are the different types of Appenders?

In log4j how can you log into the database?

what are the other support objects in Log4j?

Explain whether log4j is a thread safe?

what are the three principal components of Log4j?

what does .class mean in log4j context?

Un-Answered Questions { Apache Related }

How to create single selected listbox?

How many types of build tool you know?

Explain how to debug my ant script?

Do I need to load data into drill to start querying it?

Is there a programming language that apache nifi supports?

Can you explain tokenizer?

125

What is the license?

Explain how to use ant-contrib tasks?

Define dynamic fields?

215

What is Component in camel?

What is apache storm? What are the components of storm?

Is apache tapestry free/open source?

How to create dropdown choice in apache-wicket?

what does WARN and TRACE level indicates in log4j?

What is pallet component in apache-wicket?

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