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 }

I have to restart my application to pick up changes to specifications and templates, how can I avoid this?

How to create custom validator in apache-wicket?

What is apache storm?

How to get a file from client input to server end in apache tapestry?

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What is camel exchange? Explain its structure?

How to create multiple checkboxes in apache-wicket?

What is difference between routing slip and dynamic router?

Enlist few good uses for apache camel?

What is routercontext?

What is the default error handler in camel?

Can you explain tokenizer?

Why apache storm is the first choice for real time processing?

Explain how to use runtime in ant?

How do you define nifi content repository?

Does tapestry use jsp tag libraries?

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