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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-915) WebComponent stopped when backup failback
Date Thu, 12 Jan 2017 02:46:16 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15819971#comment-15819971
] 

ASF GitHub Bot commented on ARTEMIS-915:
----------------------------------------

Github user gaohoward commented on a diff in the pull request:

    https://github.com/apache/activemq-artemis/pull/956#discussion_r95716829
  
    --- Diff: artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/ShutdownAwareComponent.java
---
    @@ -0,0 +1,28 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements. See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License. You may obtain a copy of the License at
    + *
    + *     http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +package org.apache.activemq.artemis.core.server;
    +
    +/**
    + * A Component that needs to know the stop reason.
    + */
    +public interface ShutdownAwareComponent extends ActiveMQComponent {
    --- End diff --
    
    yeah, the name is stupid. but believe me I've been thinking it for a long time and finally
came up with a name which is stupid. :) ServiceComponent is much better.


> WebComponent stopped when backup failback
> -----------------------------------------
>
>                 Key: ARTEMIS-915
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-915
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 1.5.1
>            Reporter: Howard Gao
>            Assignee: Howard Gao
>             Fix For: 1.5.next
>
>
> In a fail-back scenario, if live is shut down and restart again, the backup will stop
itself, and so will its webcomponent, which is a web server embedded. In that case user will
not be able to access the backup via the web interface.
> So no matter whether the backup server is becoming live or fail back, the web component
should be available all the time, until the VM is shutdown.



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