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https://issues.apache.org/jira/browse/PHOENIX-7143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17795172#comment-17795172
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Istvan Toth commented on PHOENIX-7143:
--------------------------------------

This is the error we get with a specific HDFS setup on PQS startup:

{noformat}
Unrecoverable service error. Shutting down.
java.lang.IllegalAccessError: class 
org.apache.hadoop.security.SecurityUtil$QualifiedHostResolver (in unnamed 
module @0x3eb25e1a) cannot access class sun.net.dns.ResolverConfiguration (in 
module java.base) because module java.base does not export sun.net.dns to 
unnamed module @0x3eb25e1a
        at 
org.apache.hadoop.security.SecurityUtil$QualifiedHostResolver.<init>(SecurityUtil.java:589)
        at 
org.apache.hadoop.security.SecurityUtil.setTokenServiceUseIp(SecurityUtil.java:127)
        at 
org.apache.hadoop.security.SecurityUtil.setConfigurationInternal(SecurityUtil.java:100)
        at 
org.apache.hadoop.security.SecurityUtil.<clinit>(SecurityUtil.java:86)
        at 
org.apache.phoenix.queryserver.server.QueryServer.run(QueryServer.java:220)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:81)
        at 
org.apache.phoenix.queryserver.server.QueryServer.main(QueryServer.java:650)
{noformat}

While this is coming from the QueryServer code, the problem is in the 
Hadoop-client, sowe should just set the flags globally, both in PQS and core.

> Detect JVM version and add the necessary flags in startup scripts
> -----------------------------------------------------------------
>
>                 Key: PHOENIX-7143
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-7143
>             Project: Phoenix
>          Issue Type: Bug
>          Components: queryserver
>    Affects Versions: queryserver-6.0.0
>            Reporter: Istvan Toth
>            Assignee: Istvan Toth
>            Priority: Major
>
> Just copy the logic and flags from the hbase startup script.



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