enabling graphql.servlet.maxQueryDepth causes playground docs/schema to never load #648

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1. bryevo

   added

   bug

   on Jun 5, 2021
2. gabbigum commented on Jul 16, 2021

   

   gabbigum

   on Jul 16, 2021

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   Can you share more information? Maybe your pom.xml file?

   I've tried setting this property on my graphql server using the same version of graphql-spring-boot and my playground seems to work fine.
3. DevelopmentBaxter commented on Aug 17, 2021

   

   DevelopmentBaxter

   on Aug 17, 2021

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   Yes, I got the same problem.

               <dependency>
                   <groupId>com.graphql-java</groupId>
                   <artifactId>graphql-java</artifactId>
                   <version>14.0</version>
               </dependency>
               <dependency>
                   <groupId>com.graphql-java-kickstart</groupId>
                   <artifactId>graphiql-spring-boot-starter</artifactId>
                   <version>8.0.0</version>
               </dependency>
               <dependency>
                   <groupId>com.graphql-java-kickstart</groupId>
                   <artifactId>graphql-spring-boot-starter</artifactId>
                   <version>8.0.0</version>
               </dependency>
               <dependency>
                   <groupId>com.graphql-java-kickstart</groupId>
                   <artifactId>graphql-java-tools</artifactId>
                   <version>6.1.0</version>
               </dependency>
               <dependency>
                   <groupId>com.graphql-java</groupId>
                   <artifactId>graphql-java-servlet</artifactId>
                   <version>6.1.3</version>
               </dependency>
   

   graphql.servlet.maxQueryDepth=10 #This causes the problem
4. setchy commented on Aug 17, 2021

   

   setchy

   on Aug 17, 2021

   Member

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   Hi @bryevo @DevelopmentBaxter - same reason as shared in #672.

   GraphQL Tooling such as Playground, Voyager, Altair, GraphiQL etc all perform introspection queries in order to build their experience. Example introspection query below to show the type of depth this query has

   query IntrospectionQuery {
     __schema {
       queryType {
         name
       }
       mutationType {
         name
       }
       subscriptionType {
         name
       }
       types {
         ...FullType
       }
       directives {
         name
         description
         locations
         args {
           ...InputValue
         }
       }
     }
   }
   
   fragment FullType on __Type {
     kind
     name
     description
     fields(includeDeprecated: true) {
       name
       description
       args {
         ...InputValue
       }
       type {
         ...TypeRef
       }
       isDeprecated
       deprecationReason
     }
   
     inputFields {
       ...InputValue
     }
   
     interfaces {
       ...TypeRef
     }
   
     enumValues(includeDeprecated: true) {
       name
       description
       isDeprecated
       deprecationReason
     }
     possibleTypes {
       ...TypeRef
     }
   }
   
   fragment InputValue on __InputValue {
     name
     description
     type {
       ...TypeRef
     }
     defaultValue
   }
   
   fragment TypeRef on __Type {
     kind
     name
     ofType {
       kind
       name
       ofType {
         kind
         name
         ofType {
           kind
           name
           ofType {
             kind
             name
             ofType {
               kind
               name
               ofType {
                 kind
                 name
                 ofType {
                   kind
                   name
                 }
               }
             }
           }
         }
       }
     }
   }
   
5. oliemansm commented on Aug 19, 2021

   

   oliemansm

   on Aug 19, 2021

   Member

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   @setchy Think this issue should be converted into a Q&A Discussion instead with your comment as the accepted answer. This is not a bug or problem on our end imo, but simply expected behavior. Do you agree?
6. setchy commented on Aug 19, 2021

   

   setchy

   on Aug 19, 2021

   Member

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   I agree @oliemansm 😃
7. graphql-java-kickstart

   locked and limited conversation to collaborators on Aug 19, 2021
8. setchy

   closed this as completedon Aug 19, 2021