Did you run Flink on AWS EMR or somewhere else? Have you read and followed instructions on https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/aws.html#amazon-web-services-aws ?
On Wed, May 30, 2018 at 7:08 AM, Fabian Wollert <fab...@zalando.de> wrote: > Hi, I'm trying to set up Checkpoints for Flink Jobs with S3 as a > filesystem backend. I configured the following: > > state.backend=filesystem > state.backend.fs.checkpointdir=s3:///mybucket/ > state.checkpoints.dir=s3:///mybucket/ > state.checkpoints.num-retained=3 > > I also copied the flink-s3-fs-hadoop-1.5.0.jar into the lib folder. > > I get now though the following error message: > > Caused by: java.lang.NullPointerException: null uri host. > at java.util.Objects.requireNonNull(Objects.java:228) > at org.apache.flink.fs.s3hadoop.shaded.org.apache.hadoop.fs. > s3native.S3xLoginHelper.buildFSURI(S3xLoginHelper.java:65) > at org.apache.flink.fs.s3hadoop.shaded.org.apache.hadoop.fs. > s3a.S3AFileSystem.initialize(S3AFileSystem.java:165) > at org.apache.flink.fs.s3hadoop.S3FileSystemFactory.create( > S3FileSystemFactory.java:133) > > I tried to dig deeper into the source code, but struggled to find > > - what is meant with this URI > - where to configure it > > Can anybody give some advice how to set up the S3 Backend with the new > shaded lib jar? > > Thanks in advance > -- > > > *Fabian WollertZalando SE* > > E-Mail: fabian.woll...@zalando.de > > Tamara-Danz-Straße 1 > <https://maps.google.com/?q=Tamara-Danz-Stra%C3%9Fe+1+10243+Berlin&entry=gmail&source=g> > 10243 Berlin > <https://maps.google.com/?q=Tamara-Danz-Stra%C3%9Fe+1+10243+Berlin&entry=gmail&source=g> > Fax: +49 (0)30 2759 46 93 > E-mail: legalnot...@zalando.co.uk > Notifications of major holdings (Sec. 33, 38, 39 WpHG): +49 (0)30 > 2000889349 > > Management Board: > Robert Gentz, David Schneider, Rubin Ritter > > Chairman of the Supervisory Board: > Lothar Lanz > > Person responsible for providing the contents of Zalando SE acc. to Art. > 55 RStV [Interstate Broadcasting Agreement]: Rubin Ritter > Registered at the Local Court Charlottenburg Berlin, HRB 158855 B > VAT registration number: DE 260543043 >