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https://issues.apache.org/jira/browse/IGNITE-20904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

yafengshi updated IGNITE-20904:
-------------------------------
    Description: 
 

After I execute the following code, I want to query system views.
{code:java}
ignite.message(ignite.cluster().forServers()).remoteListen("A1", (nodeId, msg) 
-> {
             System.out.println(msg);
             return true;
});
  
 for (int i = 0; i < 10; i++)
   ignite.message().sendOrdered("A1", Integer.toString(i),0); {code}
 

then it threw an IllegalStateException.
{code:java}
jdbc:ignite:thin://127.0.0.1/sys> select count(1) from CONTINUOUS_QUERIES; 
Error: General error: "java.lang.IllegalStateException";   {code}
 

  was:
 

After I execute the following code, I want to query system views.
{code:java}
ignite.message(ignite.cluster().forServers()).remoteListen("A1", (nodeId, msg) 
-> {
             System.out.println(msg);
             return true;
});
  
 for (int i = 0; i < 10; i++)
   ignite.message().sendOrdered("A1", Integer.toString(i),0); {code}
 

then it threw an IllegalStateException.
{code:java}
jdbc:ignite:thin://127.0.0.1/sys> select count(1) from CONTINUOUS_QUERIES; 
Error: General error: "java.lang.IllegalStateException";   {code}
 


> MQ API caused the systemview to be unavailable.
> -----------------------------------------------
>
>                 Key: IGNITE-20904
>                 URL: https://issues.apache.org/jira/browse/IGNITE-20904
>             Project: Ignite
>          Issue Type: Bug
>          Components: messaging
>    Affects Versions: 2.15
>            Reporter: yafengshi
>            Assignee: yafengshi
>            Priority: Critical
>              Labels: newbie
>             Fix For: 3.0, 2.16, 2.17
>
>   Original Estimate: 1h
>          Time Spent: 10m
>  Remaining Estimate: 50m
>
>  
> After I execute the following code, I want to query system views.
> {code:java}
> ignite.message(ignite.cluster().forServers()).remoteListen("A1", (nodeId, 
> msg) -> {
>              System.out.println(msg);
>              return true;
> });
>   
>  for (int i = 0; i < 10; i++)
>    ignite.message().sendOrdered("A1", Integer.toString(i),0); {code}
>  
> then it threw an IllegalStateException.
> {code:java}
> jdbc:ignite:thin://127.0.0.1/sys> select count(1) from CONTINUOUS_QUERIES; 
> Error: General error: "java.lang.IllegalStateException";   {code}
>  



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