I've observed this sometimes too. Command line build succeeds, however IntelliJ build fails. The method suggested by Stephan doesn't work for me usually. However, recreating the project from scratch takes at most 30-40 seconds, so I do just that. :)
-- Sachin Goel Computer Science, IIT Delhi m. +91-9871457685 On Tue, Nov 3, 2015 at 4:20 AM, Stephan Ewen <se...@apache.org> wrote: > I have seen something like that before in IntelliJ as well. I think under > some circumstances the IntelliJ project settings and caches can be come > corrupt. I tried the following: > > - Use the option "Restart and clear caches" > - Use maven->reimport project > > That did the trick for me. Hope it works for you as well. > > On Mon, Nov 2, 2015 at 2:26 PM, Daniel Blazevski < > daniel.blazev...@gmail.com > > wrote: > > > P.S. minor typo, a slightly better chart than > > > > (1) pull master branch + build --- > (2) create new branch ---> (3) make > > pull request ---> (4) update master ---> (5) create new branch ----> > repeat > > > > is > > > > (1) clone master branch + build --- > (2) create new branch ---> (3) > make > > pull request ---> (4) update master ---> (5) create new branch ----> (6) > > make pull request ---> repeat (4)-(6) > > > > > > > > On Mon, Nov 2, 2015 at 5:21 PM, Daniel Blazevski < > > daniel.blazev...@gmail.com > > > wrote: > > > > > Hello, > > > > > > I recently made a pull request for an exact knn algorithm, and have > been > > > considering to start on the approximate knn algorithm and had an issue > > with > > > updating the master branch of Flink. > > > > > > I am curious to know what best practices are in terms of keeping up to > > > date with the master branch to avoid the issue I had (to be explained > > below) > > > > > > Some background: > > > -- I forked another Flink commiter's branch of Flink since he had done > > > other work on knn (namely https://github.com/chiwanpark/flink) > > > -- I imported that master branch into IntelliJ > > > -- I wrote code on a separate branch FLINK-1745, and that built fine. > > > -- I made the mistake in not using Travis CI from the start, but that > was > > > not a huge issue since only a single import needed to be changed and my > > > Travis CI build goes through now. > > > > > > I then checked out the master branch, and updated master via > > > `git pull apache master` > > > > > > The master branch no longer builds, I get the following error in > > IngelliJ: > > > > > > Error:scalac: Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/flink-storm-compatibility-core/target/classes > > > is shared between: Module 'flink-storm-compatibility-core' production, > > > Module 'flink-storm-compatibility-core (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-kafka/target/classes > > > is shared between: Module 'flink-connector-kafka' production, Module > > > 'flink-connector-kafka (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-spargel/target/classes > > > is shared between: Module 'flink-spargel' production, Module > > 'flink-spargel > > > (2)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/target/classes > > > is shared between: Module 'flink-streaming (2)' production, Module > > > 'flink-streaming-parent' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/flink-storm-compatibility-examples/target/test-classes > > > is shared between: Module 'flink-storm-compatibility-examples' tests, > > > Module 'flink-storm-compatibility-examples (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-rabbitmq/target/test-classes > > > is shared between: Module 'flink-connector-rabbitmq' tests, Module > > > 'flink-connector-rabbitmq (2)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-elasticsearch/target/classes > > > is shared between: Module 'flink-connector-elasticsearch' production, > > > Module 'flink-connector-elasticsearch (2)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/target/classes > > > is shared between: Module 'flink-streaming-connectors (1)' production, > > > Module 'flink-streaming-connectors-parent' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-elasticsearch/target/test-classes > > > is shared between: Module 'flink-connector-elasticsearch' tests, Module > > > 'flink-connector-elasticsearch (2)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/flink-storm-compatibility-core/target/test-classes > > > is shared between: Module 'flink-storm-compatibility-core' tests, > Module > > > 'flink-storm-compatibility-core (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-scala/target/test-classes > > > is shared between: Module 'flink-streaming-scala' tests, Module > > > 'flink-streaming-scala (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/target/test-classes > > > is shared between: Module 'flink-storm-compatibility (1)' tests, Module > > > 'flink-storm-compatibility-parent' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-gelly/target/test-classes > > > is shared between: Module 'flink-gelly' tests, Module 'flink-gelly (4)' > > > tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-rabbitmq/target/classes > > > is shared between: Module 'flink-connector-rabbitmq' production, Module > > > 'flink-connector-rabbitmq (2)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-spargel/target/test-classes > > > is shared between: Module 'flink-spargel' tests, Module 'flink-spargel > > (2)' > > > tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-twitter/target/test-classes > > > is shared between: Module 'flink-connector-twitter' tests, Module > > > 'flink-connector-twitter (2)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-twitter/target/classes > > > is shared between: Module 'flink-connector-twitter' production, Module > > > 'flink-connector-twitter (2)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-gelly/target/classes > > > is shared between: Module 'flink-gelly' production, Module 'flink-gelly > > > (4)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-kafka/target/test-classes > > > is shared between: Module 'flink-connector-kafka' tests, Module > > > 'flink-connector-kafka (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/target/test-classes > > > is shared between: Module 'flink-streaming-connectors (1)' tests, > Module > > > 'flink-streaming-connectors-parent' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-flume/target/test-classes > > > is shared between: Module 'flink-connector-flume' tests, Module > > > 'flink-connector-flume (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-examples/target/classes > > > is shared between: Module 'flink-streaming-examples' production, Module > > > 'flink-streaming-examples (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-core/target/test-classes > > > is shared between: Module 'flink-streaming-core' tests, Module > > > 'flink-streaming-core (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-examples/target/test-classes > > > is shared between: Module 'flink-streaming-examples' tests, Module > > > 'flink-streaming-examples (1)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/target/classes > > > is shared between: Module 'flink-storm-compatibility (1)' production, > > > Module 'flink-storm-compatibility-parent' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-core/target/classes > > > is shared between: Module 'flink-streaming-core' production, Module > > > 'flink-streaming-core (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/target/test-classes > > > is shared between: Module 'flink-streaming (2)' tests, Module > > > 'flink-streaming-parent' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-gelly-scala/target/classes > > > is shared between: Module 'flink-gelly-scala' production, Module > > > 'flink-gelly-scala (4)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-flume/target/classes > > > is shared between: Module 'flink-connector-flume' production, Module > > > 'flink-connector-flume (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-gelly-scala/target/test-classes > > > is shared between: Module 'flink-gelly-scala' tests, Module > > > 'flink-gelly-scala (4)' tests > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-staging/flink-streaming/flink-streaming-scala/target/classes > > > is shared between: Module 'flink-streaming-scala' production, Module > > > 'flink-streaming-scala (1)' production > > > Output path > > > > > > /Users/danielblazevski/Dropbox/code/flink-chiwan/flink/flink-contrib/flink-storm-compatibility/flink-storm-compatibility-examples/target/classes > > > is shared between: Module 'flink-storm-compatibility-examples' > > production, > > > Module 'flink-storm-compatibility-examples (1)' production > > > Please configure separate output paths to proceed with the compilation. > > > TIP: you can use Project Artifacts to combine compiled classes if > needed. > > > > > > > > > What is the most seamless way to > > > (1) pull master branch + build --- > (2) create new branch ---> (3) > make > > > pull request ---> (4) update master ---> (5) create new branch ----> > > repeat > > > > > > I was able to do steps (1)-(3), but got an error on step (4). The only > > > solution I can think of is a hack: import a whole new project into > > > IntelliJ using the most up-to-date version of master, but that sounds > > silly > > > to do that each time I want to repeat step (4) > > > > > > Thanks! > > > Dan > > > > > > > > > > > > > > > > > > > > >