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 apache lucene?

104

what is the difference between Threshold and LevelRangeFilter in log4j?

What is Stream component in camel?

Explain how storm ui can be used in topology?

Name the basic field types in solr?

Can you explain the spout creation?

How does drill achieve performance?

How you can compile, jar and run into ant command prompt?

Can you define trident?

How you can clean or delete workspace using ant?

108

What is the purpose of hssfworkbook class in apache poi?

How we can set path path and classpath into an ant build file?

what is layouts in log4j?

How to create multiple selected listbox in apache-wicket?

How to create select option as menu wise in apache-wicket?

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