[GEODE-7826] met error when run rebalance by REST API on running 2 locators of 1 vm

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.13.0
• Component/s: management, rest (admin)
• Assignee: Darrel Schneider
• Reporter: Gang Yan
• Created: 27/Feb/20 23:43
• Updated: 10/Sep/20 15:53
• Resolved: 24/Mar/20 17:21

Description

the reproduced steps:
1. gfsh start locator --port=0 --http-service-port=8081 --name=loc1
2. gfsh start locator --port=0 --name=loc2
3. gfsh start server --server-port=0 --name=s1
4. gfsh create region --name=/regionTest --type=PARTITION
5. java code to put 10 million data to regionTest
6. gfsh start server --server-port=0 --name=s2
7.run rebalance by [post] " http://127.0.0.1:7070/management/v1/operations/rebalances"
8. run [GET]"http://127.0.0.1:8081/management/v1/operations/rebalances"
9. met the following error

{
    "statusCode": "ERROR",
    "links": {
        "self": "http://127.0.0.1:7070/management/v1/operations/rebalances/3bb2f394-3d21-4076-8c24-3cf3ce7bbbea",
        "list": "http://127.0.0.1:7070/management/v1/operations/rebalances"
    },
    "operationStart": "2020-02-26T22:06:44.601Z",
    "operationEnd": "2020-02-26T22:06:44.603Z",
    "operationId": "3bb2f394-3d21-4076-8c24-3cf3ce7bbbea",
    "operation": {
        "simulate": false
    },
    "throwable": {
        "stackTrace": [
            {
                "methodName": "getMemberRegionList",
                "fileName": "RebalanceOperationPerformer.java",
                "lineNumber": 208,
                "className": "org.apache.geode.management.internal.operation.RebalanceOperationPerformer",
                "nativeMethod": false
            },
            {
                "methodName": "executeRebalanceOnDS",
                "fileName": "RebalanceOperationPerformer.java",
                "lineNumber": 326,
                "className": "org.apache.geode.management.internal.operation.RebalanceOperationPerformer",
                "nativeMethod": false
            },
            {
                "methodName": "perform",
                "fileName": "RebalanceOperationPerformer.java",
                "lineNumber": 91,
                "className": "org.apache.geode.management.internal.operation.RebalanceOperationPerformer",
                "nativeMethod": false
            },
            {
                "methodName": "lambda$submit$0",
                "fileName": "OperationManager.java",
                "lineNumber": 67,
                "className": "org.apache.geode.management.internal.operation.OperationManager",
                "nativeMethod": false
            },
            {
                "methodName": "run",
                "fileName": "CompletableFuture.java",
                "lineNumber": 1590,
                "className": "java.util.concurrent.CompletableFuture$AsyncSupply",
                "nativeMethod": false
            },
            {
                "methodName": "run",
                "fileName": "Thread.java",
                "lineNumber": 748,
                "className": "java.lang.Thread",
                "nativeMethod": false
            }
        ]
    }
}

expected things, 1 of the followings:
1. stop or forbid users to run rebalance on the non-jmxManager locator
2. return instructive info to let users find proper way to run rebalance
3. stop or forbid a REST API for Management to run , when there is no jmx-manager on the locator.

Issue Links

• is related to: GEODE-7906 GfshCommandIntegrationTest failing in Windows testing JDK8 and JDK11
• links to: GitHub Pull Request #4820