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From "Etienne Chauchot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2541) ElasticsearchIO breaks for non locally accessible DB
Date Wed, 05 Jul 2017 08:03:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16074385#comment-16074385
] 

Etienne Chauchot commented on BEAM-2541:
----------------------------------------

[~rxminus], thanks for using Beam! And thanks for opening this ticket. It is a fair point.
What we could do is either postpone this check or remove this check with the new upcoming
ES IO that support both v2 and v5 of Elasticsearch.

> ElasticsearchIO breaks for non locally accessible DB
> ----------------------------------------------------
>
>                 Key: BEAM-2541
>                 URL: https://issues.apache.org/jira/browse/BEAM-2541
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-extensions
>            Reporter: Rik Nauta
>            Assignee: Etienne Chauchot
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> We have a ES (2.4) database running in production that is not accessible from dev-machines
because of VPS firewall rules. However, we do create the Beam graph locally on our machines
and submit it to Google Dataflow for execution. However because of this check (line 213)
> {code:java}
> private static void checkVersion(ConnectionConfiguration connectionConfiguration)
>         throws IOException {
>       RestClient restClient = connectionConfiguration.createClient();
>       Response response = restClient.performRequest("GET", "", new BasicHeader("", ""));
>       JsonNode jsonNode = parseResponse(response);
>       String version = jsonNode.path("version").path("number").asText();
>       boolean version2x = version.startsWith("2.");
>       restClient.close();
>       checkArgument(
>           version2x,
>           "ConnectionConfiguration.create(addresses, index, type): "
>               + "the Elasticsearch version to connect to is different of 2.x. "
>               + "This version of the ElasticsearchIO is only compatible with Elasticsearch
v2.x");
> }
> {code}
> the creation of the graph fails because it can't complete the restClient request from
our dev machines. This check should probably not happen this early since there is no guarantee
that the database is reachable when building the graph
> {code:java}
> exception in thread "main" java.net.ConnectException
>         at org.apache.http.nio.pool.RouteSpecificPool.timeout(RouteSpecificPool.java:168)
>         at org.apache.http.nio.pool.AbstractNIOConnPool.requestTimeout(AbstractNIOConnPool.java:561)
>         at org.apache.http.nio.pool.AbstractNIOConnPool$InternalSessionRequestCallback.timeout(AbstractNIOConnPool.java:822)
>         at org.apache.http.impl.nio.reactor.SessionRequestImpl.timeout(SessionRequestImpl.java:183)
>         at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processTimeouts(DefaultConnectingIOReactor.java:210)
>         at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:155)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:348)
>         at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:192)
>         at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
>         at java.lang.Thread.run(Thread.java:745)
> {code}



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