Hopsworks installition error for AWS

1 Master / 3 Workers : using AWS Centos7 AMI

INFO [2020-04-03 00:20:28,989] org.eclipse.jetty.server.handler.ContextHandler: Started i.d.j.MutableServletContextHandler@6b739528{/,null,AVAILABLE}
INFO [2020-04-03 00:20:28,990] io.dropwizard.setup.AdminEnvironment: tasks =

POST    /tasks/gc (io.dropwizard.servlets.tasks.GarbageCollectionTask)

INFO [2020-04-03 00:20:28,995] org.eclipse.jetty.server.handler.ContextHandler: Started i.d.j.MutableServletContextHandler@315df4bb{/admin,null,AVAILABLE}
INFO [2020-04-03 00:20:29,083] org.eclipse.jetty.server.ServerConnector: Started karamel-core@129b4fe2{HTTP/1.1}{0.0.0.0:9090}
Exception in thread “main” while parsing a block mapping
in ‘string’, line 77, column 3:
metaserver:
^
expected , but found BlockMappingStart
in ‘string’, line 149, column 4:
worker1:
^

    at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:570)
    at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
    at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:143)
    at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
    at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:159)
    at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:237)
    at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:159)
    at org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:122)
    at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:105)
    at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120)
    at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:481)
    at org.yaml.snakeyaml.Yaml.load(Yaml.java:400)
    at se.kth.karamel.backend.ClusterDefinitionService.yamlToYamlObject(ClusterDefinitionService.java:170)
    at se.kth.karamel.webservice.KaramelServiceApplication.main(KaramelServiceApplication.java:239)

INFO [2020-04-03 00:20:43,510] org.eclipse.jetty.server.ServerConnector: Stopped karamel-core@129b4fe2{HTTP/1.1}{0.0.0.0:9090}
INFO [2020-04-03 00:20:43,511] org.eclipse.jetty.server.handler.ContextHandler: Stopped i.d.j.MutableServletContextHandler@315df4bb{/admin,null,UNAVAILABLE}

What installation method are you using and are you installing a specific release or the lastest master version?

I’m thinking,…using lastest master version…

Alright. Did you use the hopswork-installer script or did you run karamel manually?

Using hopswork-installer script…
But…
Success was achieved using karmel manually(Using hopsworks-installer.yml and hopsworker.yml)

Good to hear that you were able to proceed using karamel directly.

I’m currently trying to reproduce your error but haven’t run into any issues so far. I’m thinking that you might have hit some issue on one of the master branches. In general, I would recommend that you install the latest release which is 1.2. We will fix the default behavior and ensure that you’ll get the latest release by default in the future.