Ilya, Could you please clone: https://github.com/DataTorrent/examples You'll find the complete project in tutorials/topnwords/app You should be able to build it successfully with: mvn clean package -DskipTests I just tried it. Let me know if you run into any issues.
Ram On Thu, Nov 19, 2015 at 10:18 AM, Ganelin, Ilya <[email protected]> wrote: > Hi all – I just attempted to follow the instructions here: > http://docs.datatorrent.com/tutorials/topnwords-c2/ > > For standing up top N words in Java. > > As it stands, things did not work. I was using IntelliJ Idea 14. There were a > number of issues, a short (not comprehensive) list is below. > > 1. There are discrepancies between the selected language level in the > project settings and certain constructs in the code > * In WordReader.java diamonds are used, which are only supported in > java 7 but the language level is set to 5 > 2. The apex version is out of date in the pom.xml file (it’s set to 2.2) > 3. ApplicationWithQuerySupport.java does not compile with newer versions of > Apex > > I spent about 15 minutes trying to get this thing to work in its present > state and it simply was not an easy and ready to roll example. > > General thoughts: > > 1. We should not be asking users to manually copy example files from one > place to another > 2. We should not be asking them to rename packages to get things to work > 3. We should not be asking them to modify existing example code to > construct another example. > * I think a better approach is to provide a complete example (that > works out of the box) and that we can then walk through line by line to > explain what it’s doing. > 4. We shouldn’t be asking them to copy-paste in settings. Instead, we > should walk them through what it means to set settings and have a simple > enough example that it’s straightforward to configure. > 5. Standing up a word count example should be a 1-button-click deployment > that is ready to run without any user input. Any further configuration should > only be necessary for the sake of teaching, not for the sake of > operationalizing the project. > > I hope this helps, I’m happy to offer further feedback. Thanks! > ________________________________________________________ > > The information contained in this e-mail is confidential and/or proprietary > to Capital One and/or its affiliates and may only be used solely in > performance of work or services for Capital One. The information transmitted > herewith is intended only for use by the individual or entity to which it is > addressed. If the reader of this message is not the intended recipient, you > are hereby notified that any review, retransmission, dissemination, > distribution, copying or other use of, or taking of any action in reliance > upon this information is strictly prohibited. If you have received this > communication in error, please contact the sender and delete the material > from your computer.
