Can you please provide any exception stacktrace in the dtgateway.log file when that happens? Thanks,
David On Tue, Sep 13, 2016 at 4:06 PM, <[email protected]> wrote: > I have the dtgateway running (community edition) with apex/malhar 3.4 and > hadoop 2.7.4 on SuSE SLES 12.1 on an ARM64 server (aarch64). > > In the Installation Wizard, I set the DFS location to: > > hdfs://namenode:9000/user/dtadmin/datatorrent > > and the gateway saves the hadoop configuration and restarts successfully, > but I get an error: > > Wrong FS: hdfs://namenode:9000/user/dtadmin/datatorrent, expected: > file:/// > > the 'service dtgateway status' command says it's running. > The log file has the same error as above, but nothing else useful. > > Is there a manual way to move the demo apps into the gateway? > > If I ignore this error and try to upload or import a demo app, I get the > same error. > > What's odd is that the gateway does write into the HDFS directory: > > Found 6 items > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/appPackages > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/apps > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/conf > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/dashboards > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/licenses > drwxrwxrwt - dtadmin hadoop 0 2016-09-13 15:35 > /user/dtadmin/datatorrent/systemAlerts > > > I've tried playing with different ways to configure the DFS location, but > nothing works. > If I use an actual local filesystem directory, I get a different errro > from the installation wizard (Non-DFS file system is used: > org.apache.hadoop.fs.LocalFileSystem), which makes sense. But if I > ignore this error, the app wizard successsfully writes packages into the > local directory, but I can't launch them (no surprise there). > > Anybody have any ideas what I can do? > > > thanks much. > -david >
