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https://issues.apache.org/jira/browse/GEODE-4959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16426266#comment-16426266
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Patrick Rhomberg commented on GEODE-4959:
-----------------------------------------
I think the best solution, as far as stability and consistency with other
commands, would be to add a {{--skip-if-exists}} option to this command. If a
gateway receiver does exist but the option is provided, the output table will
note that that state. If it is not provided, then an exception will be thrown
to gfsh.
> Attempt to create multiple gw receivers results an error on gfsh console.
> -------------------------------------------------------------------------
>
> Key: GEODE-4959
> URL: https://issues.apache.org/jira/browse/GEODE-4959
> Project: Geode
> Issue Type: Bug
> Components: docs, gfsh
> Reporter: Sai Boorlagadda
> Assignee: Patrick Rhomberg
> Priority: Major
>
> {{There are several issues with create gateway-receiver command.}}
> 1) Starting 1.4.0, with GEODE-3987 there is an enforcement of one gwr per
> node in the xsd. So when user attempts to create multiple gwr show a better
> error message then showing "*ERROR: java.lang.IllegalStateException*".
> {noformat}
> gfsh>start server --locators=localhost[10334]
> Starting a Geode Server in
> /Users/sboorlagadda/workspace/debug/geode/apache-geode-1.4.0/bin/walk-proud-feet...
> ...
> Server in
> /Users/sboorlagadda/workspace/debug/geode/apache-geode-1.4.0/bin/walk-proud-feet
> on sais-mbp-2.netgear.com[40404] as walk-proud-feet is currently online.
> Process ID: 35197
> Uptime: 4 seconds
> Geode Version: 1.4.0
> Java Version: 1.8.0_151
> Log File:
> /Users/sboorlagadda/workspace/debug/geode/apache-geode-1.4.0/bin/walk-proud-feet/walk-proud-feet.log
> JVM Arguments: -Dgemfire.locators=localhost[10334]
> -Dgemfire.start-dev-rest-api=false -Dgemfire.use-cluster-configuration=true
> -XX:OnOutOfMemoryError=kill -KILL %p
> -Dgemfire.launcher.registerSignalHandlers=true -Djava.awt.headless=true
> -Dsun.rmi.dgc.server.gcInterval=9223372036854775806
> Class-Path:
> /Users/sboorlagadda/workspace/debug/geode/apache-geode-1.4.0/lib/geode-core-1.4.0.jar:/Users/sboorlagadda/workspace/debug/geode/apache-geode-1.4.0/lib/geode-dependencies.jar
> gfsh>create gateway-receiver
> Member | Status
> --------------- |
> ---------------------------------------------------------------------------------------
> walk-proud-feet | GatewayReceiver created on member "walk-proud-feet" and
> will listen on the port "5,221"
> gfsh>create gateway-receiver
> Member | Status
> --------------- |
> -----------------------------------------------------------------------------------------
> walk-proud-feet | ERROR: java.lang.IllegalStateException: A Gateway Receiver
> already exists on this member.{noformat}
> 2) create gwr command should enforce only one gwr can be created as with
> GEODE-3987, xsd supports only one.
> 3) create gwr command is storing the gwr in cluster config when created with
> --member option.
> As there is no enforcement until 1.3 and with above stated issues with gfsh,
> it could happen that some one could end up a cluster with multiple gwr
> created in cluster configuration and could prevent them to upgrade to 1.4.
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