Apache Log4j (25)
Apache Camel (79)
Apache Drill (13)
Apache Ant (56)
Apache Storm (49)
Apache NiFi (15)
Apache POI (26)
Apache Solr (60)
Apache Tapestry (21)
Apache Wicket (26)
Explain faceting in solr?
Can you explain ant functionality?
What is a nifi processor?
Name the basic field types in solr?
What is nifi flowfile?
Can you explain distributed messaging system?
How will you rotate a cell content using apache poi?
What all information is specified in field type?
What is apache nifi?
How storm ui can be used in topology?
What jars do I need?
What are various components in apache camel? Which ones have you used?
How to get a file from client input to server end in apache tapestry?
Have you used apache camel with spring?
Explain whether log4j is a thread safe?