Debugging Hadoop daemons in Eclipse / Netbeans debugger
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Key: HADOOP-8024
URL: https://issues.apache.org/jira/browse/HADOOP-8024
Project: Hadoop Common
Issue Type: Improvement
Components: test
Affects Versions: 0.20.203.0
Environment: Windows/Linux; Eclipse and Netbeans
Reporter: Ambud Sharma
Priority: Minor
To debug Hadoop daemons for prototyping; I discovered the use of Eclipse and
Netbeans for the purpose.
To perform this import the source code of Hadoop as a Java Project (you will
have to do some refactoring to make sure the imports and packages are correct)
instead of an ant project or importing an existing project.
Please make sure the apache-commons libraries are in classpath and you should
now be able to launch the particular daemon from their respective packages
inside the debugger.
I find it particularly useful to use the eclipse and netbeans standard debugger
to perform any code increments as its fairly simple to perform stacktrace and
point to the exact code error.
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