Grab the source from SVN/git and import it into your chosen IDE -it'll show you whats in the JAR and what's not
On 28 January 2014 09:00, Yoonmin Nam <[email protected]> wrote: > Hello, everyone! > > > > As you can see in the title, I am curious about the exact role of the > hadoop-core-*.jar file. > > > > At first I thought it contains every compiled hadoop source files, so It is > necessary for starting every component of Hadoop such as DataNode and > TaskTracker. > > > > However, even I deleted all hadoop-core-*.jar file in the hadoop home > folder, the script "start-all.sh" runs successfully. > > > > It is strongly related to the classpath, but I am not sure about that. > > > > In addition, when I distributed newly packaged hadoop-core-*.jar file which > contains changed source codes for doing some experiments, the changed > contents are not effected. > > This means original, unmodified compiled contents are working in the > cluster. > > So, I cannot see from the one line of log to the some logic to improve > HDFS. > > > > Why this issues happens to me? > > Is there anyone who let me know about this issue? > > > > Thank you! > > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
