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Tag: java

Create child nodes using recursion

I’m trying to create a hierarchy from flat data. I have the following Node definition: Given this data: [Person,Manager,Hourly,New], where the tree should be like: I’ve tried the following: And my createNode method is: But conceptually I don’t understand how to maintain the structure if Java…

tomcat server not starting in eclipse

my tomcat server not starting with timeout 45seconds… getting following message I need help. Please give me some solution this is an error.. hope u can view it Answer please, increase tomcat’s time-out seconds see below will help out how to increase it into eclipse, by-default tomcat’s time-…

How to extract a HashMap from a Java heap dump

I have a Java heap dump generated using jmap. This contains a HashMap which I need to extract into a text format (CSV would be fine). The HashMap is fairly large so I need a scripted solution. Using JVisualVM I can find the HashMap. However, there doesn’t seem to be a way to export its data. After some …