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 }

What is MEP in camel?

Can you define multiviews?

What is a nifi custom properties registry?

How to keep file validation in apache-wicket if no file has been selected?

what is package level logging in log4j?

Explain how to use ant-contrib tasks?

Explain how you can streamline log files using apache storm?

Does tapestry use jsp tag libraries?

How will you set the printable area of an excel using apache poi?

How did you execute junit test cases for apache camel?

What is the backpressure in nifi system?

How does drill achieve performance?

Can you explain tokenizer?

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How will you add a hyperlink to a cell using apache poi?

Is there a wysiwyg editor for tapestry, or an ide plugin?

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