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 did you integrate apache camel with database?

Explain the difference between apache kafka and apache storm?

How can i send message parallel?

Tell me is running apache as a root is a security risk?

How to skip particular exception in camel?

Can we call camel an esb (enterprise service bus)?

What is relationship in nifi dataflow?

How to create a textarea in apache-wicket?

Can you define request handler?

130

Explain how to debug my ant script?

What is the purpose of xssfcreationhelper class in apache poi?

What is the backpressure in nifi system?

Explain how to use pmd validation in ant script?

136

what is the difference between apache hbase and storm?

Can you define build tool?

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