Example to reproduce RESTEASY-3384 with resteasy-reactive

readme.md

curl -H "accept: x;/x" -d "" http://localhost:8080/hello 

Yields:

{
  "details": "Error id 5cf80455-cb5e-4ff5-84e6-c12b8f517971-4, java.lang.StringIndexOutOfBoundsException: Range [3, 1) out of bounds for length 4",
  "stack": "java.lang.StringIndexOutOfBoundsException: Range [3, 1) out of bounds for length 4\n\tat java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:55)\n\tat java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:52)\n\tat java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:213)\n\tat java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:210)\n\tat java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:98)\n\tat java.base/jdk.internal.util.Preconditions.outOfBoundsCheckFromToIndex(Preconditions.java:112)\n\tat java.base/jdk.internal.util.Preconditions.checkFromToIndex(Preconditions.java:349)\n\tat java.base/java.lang.String.checkBoundsBeginEnd(String.java:4861)\n\tat java.base/java.lang.String.substring(String.java:2830)\n\tat org.jboss.resteasy.reactive.common.headers.MediaTypeHeaderDelegate.internalParse(MediaTypeHeaderDelegate.java:83)\n\tat org.jboss.resteasy.reactive.common.headers.MediaTypeHeaderDelegate.parse(MediaTypeHeaderDelegate.java:53)\n\tat org.jboss.resteasy.reactive.server.handlers.ClassRoutingHandler.toMediaType(ClassRoutingHandler.java:220)\n\tat org.jboss.resteasy.reactive.server.handlers.ClassRoutingHandler.acceptHeaderMatches(ClassRoutingHandler.java:169)\n\tat org.jboss.resteasy.reactive.server.handlers.ClassRoutingHandler.handle(ClassRoutingHandler.java:131)\n\tat io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:123)\n\tat org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:147)\n\tat org.jboss.resteasy.reactive.server.handlers.RestInitialHandler.beginProcessing(RestInitialHandler.java:48)\n\tat org.jboss.resteasy.reactive.server.vertx.ResteasyReactiveVertxHandler.handle(ResteasyReactiveVertxHandler.java:23)\n\tat org.jboss.resteasy.reactive.server.vertx.ResteasyReactiveVertxHandler.handle(ResteasyReactiveVertxHandler.java:10)\n\tat io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1286)\n\tat io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:177)\n\tat io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:144)\n\tat io.quarkus.vertx.http.runtime.options.HttpServerCommonHandlers$1.handle(HttpServerCommonHandlers.java:58)\n\tat io.quarkus.vertx.http.runtime.options.HttpServerCommonHandlers$1.handle(HttpServerCommonHandlers.java:36)\n\tat io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1286)\n\tat io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:177)\n\tat io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:144)\n\tat io.quarkus.resteasy.reactive.server.runtime.ResteasyReactiveRecorder$12.handle(ResteasyReactiveRecorder.java:332)\n\tat io.quarkus.resteasy.reactive.server.runtime.ResteasyReactiveRecorder$12.handle(ResteasyReactiveRecorder.java:325)\n\tat io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1286)\n\tat io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:177)\n\tat io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:144)\n\tat io.quarkus.vertx.http.runtime.devmode.VertxHttpHotReplacementSetup$5.handle(VertxHttpHotReplacementSetup.java:196)\n\tat io.quarkus.vertx.http.runtime.devmode.VertxHttpHotReplacementSetup$5.handle(VertxHttpHotReplacementSetup.java:185)\n\tat io.vertx.core.impl.future.FutureImpl$3.onSuccess(FutureImpl.java:141)\n\tat io.vertx.core.impl.future.FutureBase.lambda$emitSuccess$0(FutureBase.java:54)\n\tat io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)\n\tat io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)\n\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)\n\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n\tat java.base/java.lang.Thread.run(Thread.java:1583)"
}

bug.http

### Good request
POST http://localhost:8080/hello
Accept: text/plain

foo=bar


### Broken request
POST http://localhost:8080/hello
Accept: x;/x

foo=bar

ExampleResource.java

package com.example;

import jakarta.ws.rs.POST;
import jakarta.ws.rs.Path;

@Path("/hello")
public class ExampleResource {

    @POST
    public String greet() {
        return "Greet from RESTEasy Reactive";
    }
}

pom.xml

<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.example</groupId>
    <artifactId>quakrus-resteasy-reactive-demo</artifactId>
    <version>1.0-SNAPSHOT</version>
    <properties>
        <compiler-plugin.version>3.11.0</compiler-plugin.version>
        <maven.compiler.release>17</maven.compiler.release>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>
        <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
        <quarkus.platform.version>3.4.1</quarkus.platform.version>
        <skipITs>true</skipITs>
        <surefire-plugin.version>3.1.2</surefire-plugin.version>
    </properties>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>${quarkus.platform.group-id}</groupId>
                <artifactId>${quarkus.platform.artifact-id}</artifactId>
                <version>${quarkus.platform.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-resteasy-reactive-jackson</artifactId>
        </dependency>
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-resteasy-reactive</artifactId>
        </dependency>
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-arc</artifactId>
        </dependency>
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-junit5</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>io.rest-assured</groupId>
            <artifactId>rest-assured</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>${quarkus.platform.group-id}</groupId>
                <artifactId>quarkus-maven-plugin</artifactId>
                <version>${quarkus.platform.version}</version>
                <extensions>true</extensions>
                <executions>
                    <execution>
                        <goals>
                            <goal>build</goal>
                            <goal>generate-code</goal>
                            <goal>generate-code-tests</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${compiler-plugin.version}</version>
                <configuration>
                    <compilerArgs>
                        <arg>-parameters</arg>
                    </compilerArgs>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>${surefire-plugin.version}</version>
                <configuration>
                    <systemPropertyVariables>
                        <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
                        <maven.home>${maven.home}</maven.home>
                    </systemPropertyVariables>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-failsafe-plugin</artifactId>
                <version>${surefire-plugin.version}</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>integration-test</goal>
                            <goal>verify</goal>
                        </goals>
                        <configuration>
                            <systemPropertyVariables>
                                <native.image.path>${project.build.directory}/${project.build.finalName}-runner
                                </native.image.path>
                                <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
                                <maven.home>${maven.home}</maven.home>
                            </systemPropertyVariables>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
    <profiles>
        <profile>
            <id>native</id>
            <activation>
                <property>
                    <name>native</name>
                </property>
            </activation>
            <properties>
                <skipITs>false</skipITs>
                <quarkus.package.type>native</quarkus.package.type>
            </properties>
        </profile>
    </profiles>
</project>