Hi,
I'm experimenting with elasticsearch plugins creation and I'm trying to
create an index (if missing) on plugin startup.
I wanted to ask what is the best place to add the code snippet for code
creation? I have added it at an injected binding with Client as
constructor parameter but i get the following error:
no known master node, scheduling a retry
> [2015-05-26 12:03:27,289][ERROR][bootstrap ] {1.4.1}:
> Initialization Failed ...
> 1) UncategorizedExecutionException[Failed execution]
> ExecutionException[java.lang.NullPointerException]
> NullPointerException
>
My guess is that Client is not ready yet to handle index creation requests,
my code snippet is the following:
public class IndexCreator {
>
> private final String indexName;
> private final ESLogger LOG;
>
> @Inject
> public IndexCreator(Settings settings, Client client) {
> this.LOG = Loggers.getLogger(getClass(), settings);
> this.indexName = settings.get("metis.index.name", ".metis");
>
>
String indexName = ".metis-registry";
>
> IndicesExistsResponse resp =
> client.admin().indices().prepareExists(indexName).get();
>
> if (!resp.isExists()) {
> client.admin().indices().prepareCreate(indexName).get();
> }
>
}
> }
>
And I add this as binding to my module
public class MyModule extends AbstractModule {
private final Settings settings;
public MyModule(Settings settings) {
this.settings = Preconditions.checkNotNull(settings);
}
@Override
protected void configure() {
bind(IndexCreator.class).asEagerSingleton();
}
}
But it produces the overmentioned error, any ideas?
Thanks,
Thomas
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