This reproducer is a single file: Spring Boot 4.0.9, Spring Cloud 2025.1.4, spring-cloud-gateway-server-webmvc 5.0.4, Tomcat 11.0.27.
git clone https://gist.github.com/8bb7604a03b63598d0946a6a05dcd9f2.git scg-upstream-abort && cd scg-upstream-abort
mvn test # JDK 21+
UpstreamAbortTest starts the gateway with a single route, route("sse").POST("/sse", http()).before(uri(upstream)), and a raw-socket upstream that:
| package repro; | |
| import java.security.Principal; | |
| import java.time.Duration; | |
| import java.time.Instant; | |
| import java.util.ArrayList; | |
| import java.util.List; | |
| import java.util.Set; | |
| import java.util.UUID; | |
| import java.util.concurrent.CyclicBarrier; |
| #!/usr/bin/env bash | |
| # | |
| # Reproduces silent message loss / stuck backlog when a producer writes the | |
| # FIRST message into a managed-ledger whose empty head ledger has been fenced | |
| # and CLOSED in metadata (length=0, lastEntryId=-1) by BookKeeper auto-recovery, | |
| # while the broker still holds that ledger OPEN in memory. | |
| # | |
| # Root cause family: https://github.com/apache/bookkeeper/issues/4812 | |
| # | |
| # Cluster: 1 ZooKeeper + 1 broker + 3 bookies, all on a user-defined Docker |
| import java.io.File; | |
| import java.io.IOException; | |
| import java.util.*; | |
| import java.util.jar.JarEntry; | |
| import java.util.jar.JarFile; | |
| import java.util.stream.Collectors; | |
| public class JarConflictFinder { | |
| private Map<String, List<String>> classLocations = new HashMap<>(); |
| # java -jar summary-benchmarks.jar -t 24 | |
| WARNING: An illegal reflective access operation has occurred | |
| WARNING: Illegal reflective access by org.openjdk.jmh.util.Utils (file:/root/summary-benchmarks-2.jar) to method java.io.Console.encoding() | |
| WARNING: Please consider reporting this to the maintainers of org.openjdk.jmh.util.Utils | |
| WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations | |
| WARNING: All illegal access operations will be denied in a future release | |
| # JMH version: 1.37 | |
| # VM version: JDK 11.0.25, OpenJDK 64-Bit Server VM, 11.0.25+9-LTS | |
| # VM invoker: /usr/lib/jvm/java-11-openjdk-11.0.25.0.9-3.el9.x86_64/bin/java | |
| # VM options: <none> |
| addEventListener('fetch', event => { | |
| event.respondWith(handleRequest(event.request)) | |
| }) | |
| async function handleRequest(request) { | |
| const url = new URL(request.url) | |
| url.hostname = 'api.openai.com' | |
| const modifiedRequest = new Request(url.toString(), { | |
| headers: request.headers, | |
| method: request.method, |
| import com.fasterxml.jackson.annotation.*; | |
| import com.fasterxml.jackson.core.JsonGenerator; | |
| import com.fasterxml.jackson.databind.*; | |
| import com.fasterxml.jackson.databind.jsontype.TypeResolverBuilder; | |
| import io.lettuce.core.codec.RedisCodec; | |
| import io.lettuce.core.codec.Utf8StringCodec; | |
| import javax.xml.datatype.XMLGregorianCalendar; | |
| import java.io.IOException; | |
| import java.nio.ByteBuffer; |
| # | |
| # A fatal error has been detected by the Java Runtime Environment: | |
| # | |
| # SIGSEGV (0xb) at pc=0x00007f5665fef9be, pid=7, tid=0x00007f56574c3700 | |
| # | |
| # JRE version: Java(TM) SE Runtime Environment (8.0_191-b12) (build 1.8.0_191-b12) | |
| # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.191-b12 mixed mode linux-amd64 compressed oops) | |
| # Problematic frame: | |
| # J 6022 C2 java.lang.StringBuilder.append(Ljava/lang/String;)Ljava/lang/StringBuilder; (8 bytes) @ 0x00007f5665fef9be [0x00007f5665fef980+0x3e] | |
| # |
| {} |
| version: '2.0' | |
| services: | |
| client: | |
| image: busybox | |
| command: [sh, -c, 'echo ping | nc server 1234'] | |
| links: | |
| - server | |
| server: | |
| image: busybox | |
| command: [nc, -l, -p, '1234'] |