[GitHub] [camel-quarkus] jamesnetherton opened a new issue #2527: Unable to generate REST API documentation when lightweight mode is enabled

[GitBox <gi...@apache.org>]

jamesnetherton opened a new issue #2527:
URL: https://github.com/apache/camel-quarkus/issues/2527


   https://github.com/apache/camel-quarkus/issues/2063 enables 'lightweight' mode in the `camel-quarkus-rest` integration test.
   
   I made some mods to test generating API docs with OpenAPI. E.g like:
   
   ```java
   @Override
   public void configure() {
       restConfiguration().apiContextPath("/docs");
   
       rest()
               .get("/rest/get")
               .description("The rest GET method")
               .route()
               .setBody(constant("GET: /rest/get"))
               .endRest()
   
               .post("/rest/post")
               .description("The rest POST method")
               .consumes("text/plain").produces("text/plain")
               .route()
               .setBody(constant("POST: /rest/post"))
               .endRest();
   }
   ```
   
   Invoking the ` /docs` endpoint results in:
   
   ```
   2021-04-28 13:21:59,787 WARN  [org.apa.cam.ope.RestOpenApiProcessor] (vert.x-worker-thread-0) Error rendering OpenApi API due null: java.lang.NullPointerException
   	at org.apache.camel.quarkus.core.FastCamelContext.getRestDefinitions(FastCamelContext.java:757)
   	at org.apache.camel.openapi.DefaultRestDefinitionsResolver.getRestDefinitions(DefaultRestDefinitionsResolver.java:36)
   	at org.apache.camel.openapi.RestOpenApiSupport.getRestDefinitions(RestOpenApiSupport.java:361)
   	at org.apache.camel.openapi.RestOpenApiSupport.renderResourceListing(RestOpenApiSupport.java:399)
   	at org.apache.camel.openapi.RestOpenApiProcessor.process(RestOpenApiProcessor.java:122)
   	at org.apache.camel.support.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:66)
   	at org.apache.camel.component.rest.RestApiProducer.process(RestApiProducer.java:39)
   	at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:172)
   	at org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:439)
   	at org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:181)
   	at org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:62)
   	at org.apache.camel.processor.Pipeline.process(Pipeline.java:167)
   	at org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:388)
   	at org.apache.camel.component.platform.http.vertx.VertxPlatformHttpConsumer.lambda$handleRequest$2(VertxPlatformHttpConsumer.java:184)
   	at io.vertx.core.impl.ContextImpl.lambda$executeBlocking$2(ContextImpl.java:313)
   	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
   	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.base/java.lang.Thread.run(Thread.java:834)
   
   ```
   
   When lightweight mode is enabled it invokes `disposeModel()` on the `CamelContext`, which has the effect of setting the `Model` to `null`. Thus any future invocations that require it will fail with an NPE.


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