Resolve the problem with GraphQL.newGraphQL ().

GraphQL graphQL = GraphQL.newGraphQL(schema).build();

error:

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looked at a lot of sample code, others have no problem, how did this problem arise?
this is the first strange place.

my GraphQL-java version is 1.2, because when using other versions, these classes are not available!
this is the second strange place. -sharp-sharp-sharp problem description

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Java graphql
May.14,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e49559-44566.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e49559-44566.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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