I haven't heard of many people still on Java 6. *(except in this thread, of course). It shouldn't be a big deal forcing that.
Hadoop 2 is probably close enough that we should be able to jump forward with our next release. I certainly know of a significant number of non-upgraded installs, but adding a bit more pressure to upgrade would be a good thing for the world at large, probably. On Fri, Mar 27, 2015 at 9:58 AM, Suneel Marthi <[email protected]> wrote: > TED??? please jump in. > > On Fri, Mar 27, 2015 at 12:54 PM, Pat Ferrel <[email protected]> > wrote: > > > Aren’t current Mahout 0.9 users on hadoop 1.2.1 by definition? Probably > > most on Java 6 too. > > > > Unless there is some strong reason it seems like we should support both > of > > those for at least one release, shouldn’t we? > > > > I have a hadoop 1.2.1 cluster, which has a hadoop job that is not Hadoop > 2 > > compatible so I’m stuck there for the time being. Compiling Mahout for > this > > now gives an error over the H2 API “isDirectory”, which I think used to > be > > “isDir” for H1. Has that API been deprecated in H2? Are we forced to > chose > > either/or? > > > > > > On Mar 27, 2015, at 9:31 AM, Pat Ferrel <[email protected]> wrote: > > > > It should, Hadoop supports it long term and lots of people stuck there > > with projects that haven’t been upgraded (Mahout comes to mind). > > > > On Mar 27, 2015, at 9:26 AM, Stevo Slavić <[email protected]> wrote: > > > > Have to check but I doubt that build supports hadoop 1.x any more. > > > > On Fri, Mar 27, 2015 at 5:15 PM, Suneel Marthi <[email protected]> > > wrote: > > > > > This is the Java version, gotta use Java 7 > > > > > > On Fri, Mar 27, 2015 at 12:08 PM, Pat Ferrel <[email protected]> > > > wrote: > > > > > >> Latest source for Spark 1.1.0 and Hadoop 1.2.1 > > >> > > >> Build complains about the move to > > >> <maven.compiler.target>1.7</maven.compiler.target> I think this was > > upped > > >> from 1.6 but not sure if that’s what the error is about. > > >> > > >> I’m on Java 6 no this machine if that matters. > > >> > > >> Actual error: > > >> > > >> [INFO] Mahout Build Tools ................................ SUCCESS > > > [3.512s] > > >> [INFO] Apache Mahout ..................................... SUCCESS > > > [0.603s] > > >> [INFO] Mahout Math ....................................... FAILURE > > > [6.453s] > > >> [INFO] Mahout MapReduce Legacy ........................... SKIPPED > > >> [INFO] Mahout Integration ................................ SKIPPED > > >> [INFO] Mahout Examples ................................... SKIPPED > > >> [INFO] Mahout Release Package ............................ SKIPPED > > >> [INFO] Mahout Math Scala bindings ........................ SKIPPED > > >> [INFO] Mahout Spark bindings ............................. SKIPPED > > >> [INFO] Mahout Spark bindings shell ....................... SKIPPED > > >> [INFO] Mahout H2O backend ................................ SKIPPED > > >> [INFO] > > >> > ------------------------------------------------------------------------ > > >> [INFO] BUILD FAILURE > > >> [INFO] > > >> > ------------------------------------------------------------------------ > > >> [INFO] Total time: 11.609s > > >> [INFO] Finished at: Fri Mar 27 08:55:35 PDT 2015 > > >> [INFO] Final Memory: 24M/310M > > >> [INFO] > > >> > ------------------------------------------------------------------------ > > >> [ERROR] Failed to execute goal > > >> org.apache.maven.plugins:maven-compiler-plugin:3.2:compile > > >> (default-compile) on project mahout-math: Fatal error compiling: > invalid > > >> target release: 1.7 -> [Help 1] > > >> [ERROR] > > >> [ERROR] To see the full stack trace of the errors, re-run Maven with > the > > >> -e switch. > > >> [ERROR] Re-run Maven using the -X switch to enable full debug logging. > > >> [ERROR] > > >> > > >> > > > > > > > > > >
