[CAMEL-21368] Regression in Camel JBang fails when generating REST routes from OpenAPI spec - ASF JIRA

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Details

Type: Bug
Status: Open
Priority: Minor
Resolution: Unresolved
Affects Version/s: 4.8.0
Fix Version/s: 4.8.2, 4.9.0
Component/s: camel-jbang
Labels:
None

Estimated Complexity:
Unknown

Description

When generating REST routes from the attached OpenAPI spec using Camel JBang, I get the following error:

java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException
        at org.apache.camel.generator.openapi.RestDefinitionEmitter.emit(RestDefinitionEmitter.java:50)
        at org.apache.camel.generator.openapi.OperationVisitor.emit(OperationVisitor.java:118)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
        at org.apache.camel.generator.openapi.OperationVisitor.visit(OperationVisitor.java:166)
        at org.apache.camel.generator.openapi.PathVisitor.lambda$visit$0(PathVisitor.java:46)
        at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721)
        at org.apache.camel.generator.openapi.PathVisitor.visit(PathVisitor.java:46)
        at org.apache.camel.generator.openapi.RestDslYamlGenerator.generate(RestDslYamlGenerator.java:83)
        at org.apache.camel.dsl.jbang.core.commands.generate.CodeRestGenerator.doCall(CodeRestGenerator.java:122)
        at org.apache.camel.dsl.jbang.core.commands.CamelCommand.call(CamelCommand.java:71)
        at org.apache.camel.dsl.jbang.core.commands.CamelCommand.call(CamelCommand.java:37)
        at picocli.CommandLine.executeUserObject(CommandLine.java:2045)
        at picocli.CommandLine.access$1500(CommandLine.java:148)
        at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2465)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2457)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2419)
        at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2277)
        at picocli.CommandLine$RunLast.execute(CommandLine.java:2421)
        at picocli.CommandLine.execute(CommandLine.java:2174)
        at org.apache.camel.dsl.jbang.core.commands.CamelJBangMain.run(CamelJBangMain.java:173)
        at org.apache.camel.dsl.jbang.core.commands.CamelJBangMain.run(CamelJBangMain.java:62)
        at main.CamelJBang.main(CamelJBang.java:36)
Caused by: java.lang.reflect.InvocationTargetException
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:569)
        at org.apache.camel.generator.openapi.RestDefinitionEmitter.emit(RestDefinitionEmitter.java:48)
        ... 21 more
Caused by: java.lang.IllegalArgumentException: name must be specified and not empty
        at org.apache.camel.util.StringHelper.notEmpty(StringHelper.java:356)
        at org.apache.camel.model.rest.ParamDefinition.endParam(ParamDefinition.java:344)
        ... 26 more

In version 4.5.0, I was able to generate the routes but something broke in 4.8.0. The command I'm running is: jbang "-Dcamel.jbang.version=4.8.0" camel@apache/camel generate rest --input us-core-server.openapi.json --output api.yaml . I've observed that the command works when there's a single path in the spec.