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feat(java-dedup): add simple Java smoke sample
Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>
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‎README.md‎

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@@ -25,6 +25,7 @@ This repo contains the sample for [Keploy's](https://keploy.io) Java Application
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6. [SAP Demo (Customer 360)](https://github.com/keploy/samples-java/tree/main/sap-demo-java) - A Spring Boot "Customer 360" API that fronts SAP S/4HANA Cloud (Business Partner + Sales Order OData) and a local PostgreSQL store. Includes docker-compose, a kind-based k8s deploy, and Tosca-style flow scripts suitable for recording end-to-end Keploy testcases against PostgreSQL + outbound SAP HTTPS.
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7. [Java Dynamic Deduplication](https://github.com/keploy/samples-java/tree/main/java-dedup) - A Spring Boot sample used by CI to validate Enterprise Java dynamic dedup in native, Docker, and restricted Docker replay runs. CI uses checked-in fixtures and does not record this sample in the pipeline.
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8. [Dropwizard Dynamic Deduplication](https://github.com/keploy/samples-java/tree/main/dropwizard-dedup) - A Dropwizard/Jersey sample used by Enterprise CI to validate that Java dynamic dedup works outside Spring Boot with the runtime Java agent, checked-in HTTP fixtures, native launch, classpath launch, Docker, distroless, and restricted Docker.
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9. [Simple Java Dynamic Deduplication](https://github.com/keploy/samples-java/tree/main/simple-java-dedup) - A minimal plain-Java HTTP server used to smoke-test Java dynamic dedup on Java 8 and Java 17 in native and Docker launch modes.
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## Community Support ❤️
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‎simple-java-dedup/.dockerignore‎

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**
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!target/simple-java-dedup.jar
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!target/classes/**
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!target/keploy-sdk.jar
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!target/jacocoagent.jar

‎simple-java-dedup/.gitignore‎

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target/
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dedupData.yaml
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duplicates.yaml
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test-results/
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coverage-reports/
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docker-compose-tmp.yaml
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jacoco.exec
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*.log
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keploy-logs.txt

‎simple-java-dedup/Dockerfile‎

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ARG JAVA_VERSION=8
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FROM eclipse-temurin:${JAVA_VERSION}-jre
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WORKDIR /app
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RUN groupadd --gid 10001 appuser \
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&& useradd --uid 10001 --gid 10001 --home-dir /home/appuser --create-home --shell /usr/sbin/nologin appuser
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COPY --chown=10001:10001 target/simple-java-dedup.jar /app/app.jar
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COPY --chown=10001:10001 target/classes /app/classes
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COPY --chown=10001:10001 target/keploy-sdk.jar /app/keploy-sdk.jar
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COPY --chown=10001:10001 target/jacocoagent.jar /app/jacocoagent.jar
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ENV KEPLOY_JAVA_CLASS_DIRS=/app/classes
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EXPOSE 8080
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USER 10001:10001
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ENTRYPOINT ["java", "-javaagent:/app/keploy-sdk.jar", "-javaagent:/app/jacocoagent.jar=destfile=/tmp/jacoco.exec", "-jar", "/app/app.jar"]

‎simple-java-dedup/README.md‎

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# Simple Java Dynamic Deduplication Sample
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This is a small plain-Java HTTP service used to smoke-test Keploy Enterprise Java dynamic deduplication on Java 8 and Java 17. It uses only JDK APIs (`com.sun.net.httpserver.HttpServer`) and does not compile against the Keploy SDK.
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The checked-in fixtures exercise `/healthz`, `/grade`, `/shipping`, `/inventory`, and `/invoice`. They intentionally contain duplicate coverage paths:
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- `/grade?score=95` and `/grade?score=98` execute the same high-score branch.
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- `/shipping?country=US&total=150` and `/shipping?country=US&total=175` execute the same free-shipping branch.
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- `/inventory?sku=BOOK-1&quantity=3` and `/inventory?sku=BOOK-2&quantity=4` execute the same priority-reservation branch.
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- `/invoice?customer=vip&subtotal=200` and `/invoice?customer=vip&subtotal=250` execute the same VIP-large discount branch.
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## Build
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```bash
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mvn -B -DskipTests -Dkeploy.agent.version=2.0.6 clean package
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```
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## Native Dedup
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```bash
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keploy test \
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-c "java -javaagent:target/keploy-sdk.jar -javaagent:target/jacocoagent.jar -jar target/simple-java-dedup.jar" \
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--path . --dedup --language java --delay 1 \
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--health-url "http://127.0.0.1:8080/healthz" \
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--health-poll-timeout 30s \
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--disableMockUpload --disableReportUpload
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keploy dedup --path .
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```
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## Docker Dedup
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```bash
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JAVA_VERSION=17 docker compose build
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keploy test \
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-c "docker compose up" \
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--container-name simple-java-dedup \
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--path . --dedup --language java --delay 10 \
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--health-url "http://127.0.0.1:8080/healthz" \
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--health-poll-timeout 30s \
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--disableMockUpload --disableReportUpload
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keploy dedup --path .
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```
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Keep the `-c` value as `docker compose up` so Keploy detects Docker Compose and mounts the shared `/tmp` socket volume used by Java dynamic deduplication. Pass `JAVA_VERSION`, `JAVA_DEDUP_IMAGE`, or port overrides in the shell environment instead of prefixing them inside the `-c` command.
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## Expected Result
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All 14 replayed fixtures should pass. Dedup should retain 10 test cases and mark 4 as duplicate, with exactly one duplicate from each intentional pair listed above.

‎simple-java-dedup/docker-compose.yml‎

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services:
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simple-java-dedup:
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build:
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context: .
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args:
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JAVA_VERSION: ${JAVA_VERSION:-8}
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image: ${JAVA_DEDUP_IMAGE:-simple-java-dedup:local}
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container_name: simple-java-dedup
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ports:
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- "${JAVA_DEDUP_HOST_PORT:-8080}:8080"

‎simple-java-dedup/keploy.yml‎

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# Generated by Keploy (3-dev)
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path: ""
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appId: 0
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appName: ""
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command: ""
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templatize:
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testSets: []
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port: 0
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proxyPort: 16789
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incomingProxyPort: 36789
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dnsPort: 26789
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debug: false
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disableANSI: false
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disableTele: false
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generateGithubActions: false
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containerName: ""
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networkName: ""
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buildDelay: 30
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test:
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selectedTests: {}
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ignoredTests: {}
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globalNoise:
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global: {}
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test-sets: {}
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replaceWith:
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global: {}
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test-sets: {}
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delay: 5
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host: "localhost"
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port: 0
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grpcPort: 0
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ssePort: 0
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protocol:
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http:
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port: 0
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sse:
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port: 0
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grpc:
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port: 0
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apiTimeout: 5
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skipCoverage: false
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coverageReportPath: ""
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ignoreOrdering: true
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mongoPassword: "default@123"
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language: ""
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removeUnusedMocks: false
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fallBackOnMiss: false
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jacocoAgentPath: ""
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basePath: ""
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mocking: true
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disableLineCoverage: false
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disableMockUpload: false
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useLocalMock: false
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updateTemplate: false
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mustPass: false
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maxFailAttempts: 5
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maxFlakyChecks: 1
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protoFile: ""
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protoDir: ""
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protoInclude: []
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compareAll: false
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updateTestMapping: false
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disableAutoHeaderNoise: false
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strictMockWindow: true
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dedup: false
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freezeTime: false
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fuzzyMatch: false
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record:
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recordTimer: 0s
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filters: []
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sync: false
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memoryLimit: 0
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configPath: ""
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bypassRules: []
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disableMapping: true
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contract:
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driven: "consumer"
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mappings:
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servicesMapping: {}
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self: "s1"

‎simple-java-dedup/keploy/.gitignore‎

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/reports/

‎simple-java-dedup/keploy/test-set-0/tests/test-1.yaml‎

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# Generated by Keploy (3-dev)
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version: api.keploy.io/v1beta1
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kind: Http
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name: test-1
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spec:
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metadata: {}
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req:
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method: GET
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proto_major: 1
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proto_minor: 1
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url: http://127.0.0.1:8080/healthz
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header:
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Host: '127.0.0.1:8080'
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User-Agent: curl/8.19.0
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Accept: '*/*'
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body: ''
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timestamp: 2026-04-30T23:19:11Z
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resp:
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status_code: 200
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header:
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Date: 'Thu, 30 Apr 2026 23:19:11 GMT'
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Content-Type: application/json
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Content-Length: 15
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body: '{"status":"ok"}'
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status_message: OK
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proto_major: 0
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proto_minor: 0
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timestamp: 2026-04-30T23:19:11Z
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objects: []
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assertions:
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noise:
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header.Date: []
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header.Content-Length: []
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created: 1777591151
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app_port: 8080
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curl: |
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curl --request GET \
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--url http://127.0.0.1:8080/healthz \
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--header 'Host: 127.0.0.1:8080' \
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--header 'User-Agent: curl/8.19.0' \
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--header 'Accept: */*'

‎simple-java-dedup/keploy/test-set-0/tests/test-10.yaml‎

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# Generated by Keploy (3-dev)
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version: api.keploy.io/v1beta1
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kind: Http
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name: test-10
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spec:
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metadata: {}
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req:
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method: GET
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proto_major: 1
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proto_minor: 1
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url: http://127.0.0.1:8080/inventory?sku=BOOK-2&quantity=4
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header:
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Host: '127.0.0.1:8080'
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User-Agent: curl/8.19.0
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Accept: '*/*'
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body: ''
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timestamp: 2026-04-30T23:19:20Z
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resp:
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status_code: 200
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header:
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Date: 'Thu, 30 Apr 2026 23:19:20 GMT'
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Content-Type: application/json
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Content-Length: 63
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body: '{"sku":"BOOK-2","quantity":4,"lane":"priority","reserved":true}'
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status_message: OK
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proto_major: 0
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proto_minor: 0
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timestamp: 2026-04-30T23:19:20Z
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objects: []
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assertions:
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noise:
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header.Date: []
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header.Content-Length: []
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created: 1777591160
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app_port: 8080
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curl: |
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curl --request GET \
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--url 'http://127.0.0.1:8080/inventory?sku=BOOK-2&quantity=4' \
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--header 'Host: 127.0.0.1:8080' \
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--header 'User-Agent: curl/8.19.0' \
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--header 'Accept: */*'

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