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

Apache Related Interview Questions

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Explain why to use Apache Log4j?

what is the best way to migrate from java.util logging to log4j?

what does WARN and TRACE level indicates in log4j?

what are the two static methods for obtaining a logger object?

why do you get multiple copies of the message in log file sometime?

what is package level logging in log4j?

what are the format characters used in log4j?

what is layouts in log4j?

what are the logging methods provided by logger class?

Inside logger component what are the different log levels?

What is Camel?

Is camel an esb?

Does camel link method invocation of bean at compile time or runtime?

What is the content of Exchange in camel?

What jars do I need?

Un-Answered Questions { Apache Related }

What is the purpose of xssfcreationhelper class in apache poi?

How we can set the path environment variable of ant?

114

How do I integrate a tapestry application with j2ee declarative security/jaas?

107

What happens, if you have stored a password in a dataflow and create a template out of it?

What is Component in camel?

How to create multiple checkboxes in apache-wicket?

what is Log4j?

How to start the execution of routes apache camel?

How storm ui can be used in topology?

What are the error handlers provided by camel?

What are the dependencies?

What is apache camel used for?

Inside logger component what are the different log levels?

What is a context in apache camel?

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

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