Comments (11)
Can you try adding a typeMapping in your codegen config?
generateJava{
typeMapping = ["MyGraphQLType": "com.mypackage.MyJavaType"]
}
from dgs-codegen.
thanks @srinivasankavitha its working fine. typeMapping=["Long":"java.lang.Long"]
But unit test cases dgsQueryExecutor.executeAndExtractJsonPath()
throwing error
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'dgsQueryExecutor' defined in com.netflix.graphql.dgs.autoconfig.DgsAutoConfiguration: Unsatisfied dependency expressed through method 'dgsQueryExecutor' parameter 1; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'schema' defined in com.netflix.graphql.dgs.autoconfig.DgsAutoConfiguration: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [graphql.schema.GraphQLSchema]: Factory method 'schema' threw exception; nested exception is SchemaProblem{errors=[There is no scalar implementation for the named 'Long' scalar type]}
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Can you try adding the scalar class to the list of test classes specified in @SpringBootTest
like this:
@SpringBootTest(classes = {DgsAutoConfiguration.class, YourScalar.class,... })
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I tried and getting error
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'long': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.lang.Long]: No default constructor found; nested exception is java.lang.NoSuchMethodException: java.lang.Long.<init>()
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@srinivasankavitha thanks for looking into the issue. I resolved the issue by loading GraphQLRuntimeWiring class since thatβs the one that register all the scalars. We don't need to load every scalar. GraphQLRuntimeWiring class will take care of loading all registered scalars.
@SpringBootTest(classes = {DgsAutoConfiguration.class, GraphQLRuntimeWiring.class,... })
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I'm having this same issue with DateTime. I'm adding the scalar class to the list of @SpringBootTest classes. I don't see the GraphQLRuntimeWiring class to add. Any ideas?
java.lang.IllegalArgumentException: Cannot construct instance of java.time.OffsetDateTime
(no Creators, like default constructor, exist): no String-argument constructor/factory method to deserialize from String value ('2021-04-14T20:17:28.681762Z')
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What did you add to your list of classes? You do need to set up the scalar class and add it to runtime wiring as shown here:
https://netflix.github.io/dgs/scalars/
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Yes, I'm actually using the ExtendedScalars like so:
@DgsComponent
public class DateTimeScalar {
@DgsRuntimeWiring
public RuntimeWiring.Builder addScalar(RuntimeWiring.Builder builder) {
return builder.scalar(ExtendedScalars.DateTime);
}
}
I also tried the long-form full implementation as shown in the link you sent, but got the same result.
It works fine when running the Application but I can't seem to get it to work in a unit test. I think that it's something along the lines of what @umesh-kushwaha reported originally where it's not being properly registered by the framework, but I can't figure out which class needs to be instantiated. I'm loading the DgsAutoConfiguration.class and my local DateTimeScalar.class.
Thank you for your help!
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How does the jackson mapper in DefaultDgsQueryExecutor.kt know about our custom scalar types?
I'm having this problem when I try to deserialize the json back to an object using dgsQueryExecutor.executeAndExtractJsonPathAsObject.
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I was able to reproduce this in the java example and created a new issue here.
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Ok, thanks for the details. Will close this issue in that case and look into the new issue you opened.
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