com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No value type configured for ObjectReader #237
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dzikoysk
added a commit
that referenced
this issue
Jan 1, 2025
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Hey, unfortunately I'm unable to reproduce this problem in our test setup: nor the real world app that uses config processor: Could you create an example project affected by this bug and send it here? :) |
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Hey, I'll try my best to get you a minimal reproduction sometime tomorrow hopefully. |
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Facing the same issue, root cause seems to be in My example to reproduce the problem in Javalin import static io.javalin.apibuilder.ApiBuilder.get;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import io.javalin.Javalin;
import io.javalin.http.HttpStatus;
import io.javalin.openapi.plugin.OpenApiPlugin;
import io.javalin.openapi.plugin.swagger.SwaggerPlugin;
import io.javalin.testtools.JavalinTest;
import org.junit.jupiter.api.Test;
class OpenApiTest {
final Javalin javalin =
Javalin.create(
config -> {
// Registering OpenAPI
config.registerPlugin(new SwaggerPlugin());
config.registerPlugin(
new OpenApiPlugin(
pluginConfig ->
pluginConfig.withDefinitionConfiguration(
(version, definition) ->
definition.withInfo(info -> info.setTitle("test")))));
config.router.apiBuilder(() -> get("/api/health", ctx -> ctx.result("OK")));
});
@Test
void hasHealthcheck() {
JavalinTest.test(
javalin,
(server, client) -> {
try (final var healthcheckResponse = client.get("/api/health")) {
assertEquals(
HttpStatus.OK.getCode(), healthcheckResponse.code(), "Response code is not OK");
assertEquals(
"OK", healthcheckResponse.body().string(), "Response body is not text saying 'OK'");
}
});
}
@Test
void hasOpenApiAndSwaggerEndpoints() {
JavalinTest.test(
javalin,
(server, client) -> {
try (final var metricsResponse = client.get("/openapi?v=default")) {
assertEquals(
HttpStatus.OK.getCode(), metricsResponse.code(), "Response code is not OK");
final var responseBody = metricsResponse.body().string();
assertNotNull(responseBody, "Response body is null");
assertFalse(responseBody.isBlank(), "Response body is blank");
}
try (final var metricsResponse = client.get("/swagger")) {
assertEquals(
HttpStatus.OK.getCode(), metricsResponse.code(), "Response code is not OK");
final var responseBody = metricsResponse.body().string();
assertNotNull(responseBody, "Response body is null");
assertFalse(responseBody.isBlank(), "Response body is blank");
}
});
}
} |
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Actual behavior (the bug)
When registering OpenApiPlugin with a definition configuration (even if it is empty/blank) trying to access the openapi.json documentation causes a server error
Expected behavior
There shouldn't be an error for adding a definition configuration
To Reproduce
build.gradle.kts
dependencies { val javalin = "6.4.0" implementation("io.javalin:javalin:$javalin") implementation("io.javalin.community.openapi:javalin-openapi-plugin:$javalin") implementation("io.javalin.community.openapi:javalin-redoc-plugin:$javalin") kapt("io.javalin.community.openapi:openapi-annotation-processor:$javalin") }open api setting configuration
Additional context
Add any other context about the bug here
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