Update to Cloud SDK 5.35.0 breaks tests with connection pool size of 1
Abierto
Los mantenedores suelen responder en 1 día
Nadie ha tomado este issue todavía.
Evaluación
- Dificultad
- 4/5
- Tiempo estimado
- 3-5 días
- Aptitud para principiantes
- 52/100
- Tipo de issue
- Error
- Claridad
- Bastante claro
- Estado de actividad
- Activo
- Stack tecnológico
- java
- Área
- backend, networking, testing
Línea de trabajo
Start by reviewing the Cloud SDK change linked in the report, PR 1292, and compare behavior between versions 5.33.0 and 5.35.0. Reproduce the failure by creating an HTTP connection pool of size 1 and sending a request; identify the affected SDK tests or connection-pool implementation from there. Done means pool size 1 works as expected, with a regression test covering the reported case.
Escrito por el modelo de indexación a partir del texto del issue.
Descripción
bug
Describe the Bug
Hi, I'm from CAP Java and we are using the Cloud SDK for outgoing HTTP requsts in several scenarios. After upgrading the Cloud SDK from 5.33.0 to 5.35.0 one our test is failing. This test uses an HTTP connection pool of size 1, which doesn't seem to work. I assume it's because of this PR in Cloud SDK: https://github.com/SAP/cloud-sdk-java/pull/1292 that was merged into 5.35.0.
It looks like the Cloud SDK requires as minimum connection pool size of 2, right ? Is this a bug or done intentionally ?
Thanks,
Markus
Steps to Reproduce
Create an HTTP connection pool with size 1 and try to send an HTTP request.
Expected Behavior
Support connection pool size of 1.
Screenshots
No response
Used Versions
- Java and Maven version via
mvn --version:
Apache Maven 3.9.16 (2bdd9fddda4b155ebf8000e807eb73fd829a51d5)
Maven home: /opt/homebrew/Cellar/[email protected]/3.9.16/libexec
Java version: 25.0.4.1, vendor: Homebrew, runtime: /opt/homebrew/Cellar/openjdk@25/25.0.4.1/libexec/openjdk.jdk/Contents/Home
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "27.0.1", arch: "aarch64", family: "mac"
- SAP Cloud SDK version: 5.35.0
- Spring Boot or CAP version: Spring-Boot 4.1.x and CAP Java 5.2.0-SNAPSHOT
Dependency tree via mvn dependency:tree
[INFO] ---------------< com.sap.cds:cds-integration-cloud-sdk >----------------
[INFO] Building CDS Cloud SDK integration 5.2.0-SNAPSHOT
[INFO] from pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- dependency:3.11.0:tree (default-cli) @ cds-integration-cloud-sdk ---
[INFO] com.sap.cds:cds-integration-cloud-sdk:jar:5.2.0-SNAPSHOT
[INFO] +- com.sap.cds:cds-services-api:jar:5.2.0-SNAPSHOT:compile
[INFO] | +- com.sap.cds:cds4j-api:jar:5.2.0-m20260930-114808:compile
[INFO] | +- org.slf4j:slf4j-api:jar:2.0.19:compile
[INFO] | \- com.sap.cloud.environment.servicebinding.api:java-core-api:jar:0.31.0:compile
[INFO] +- com.sap.cds:cds-services-utils:jar:5.2.0-SNAPSHOT:compile
[INFO] | +- com.sap.cds:cds-adapter-api:jar:5.2.0-SNAPSHOT:compile
[INFO] | +- com.sap.cds:cds4j-core:jar:5.2.0-m20260930-114808:compile
[INFO] | +- com.sap.cds:cds4j-runtime:jar:5.2.0-m20260930-114808:compile
[INFO] | | \- com.sap.cds:cds4j-jdbc-spi:jar:5.2.0-m20260930-114808:compile
[INFO] | +- commons-io:commons-io:jar:2.22.0:compile
[INFO] | +- io.opentelemetry:opentelemetry-api:jar:1.66.0:compile
[INFO] | | \- io.opentelemetry:opentelemetry-context:jar:1.66.0:compile
[INFO] | | \- io.opentelemetry:opentelemetry-common:jar:1.66.0:compile
[INFO] | +- io.opentelemetry:opentelemetry-sdk:jar:1.66.0:compile
[INFO] | | +- io.opentelemetry:opentelemetry-sdk-common:jar:1.66.0:compile
[INFO] | | +- io.opentelemetry:opentelemetry-sdk-trace:jar:1.66.0:compile
[INFO] | | +- io.opentelemetry:opentelemetry-sdk-metrics:jar:1.66.0:compile
[INFO] | | \- io.opentelemetry:opentelemetry-sdk-logs:jar:1.66.0:compile
[INFO] | +- com.google.guava:guava:jar:33.7.1-jre:compile
[INFO] | | +- com.google.guava:failureaccess:jar:1.0.3:compile
[INFO] | | +- com.google.guava:listenablefuture:jar:9999.0-empty-to-avoid-conflict-with-guava:compile
[INFO] | | +- org.jspecify:jspecify:jar:1.0.1:compile
[INFO] | | +- com.google.errorprone:error_prone_annotations:jar:2.50.0:compile
[INFO] | | \- com.google.j2objc:j2objc-annotations:jar:3.1:compile
[INFO] | +- com.fasterxml.jackson.core:jackson-databind:jar:2.21.6:compile
[INFO] | | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.21:compile
[INFO] | | \- com.fasterxml.jackson.core:jackson-core:jar:2.21.6:compile
[INFO] | +- org.apache.commons:commons-lang3:jar:3.21.0:compile
[INFO] | \- com.github.ben-manes.caffeine:caffeine:jar:3.3.0:compile
[INFO] +- com.sap.cds:cds-services-impl:jar:5.2.0-SNAPSHOT:runtime
[INFO] | +- com.sap.cds:cds-services-messaging:jar:5.2.0-SNAPSHOT:runtime
[INFO] | | \- jakarta.jms:jakarta.jms-api:jar:3.1.0:runtime
[INFO] | +- com.sap.cds:cds4j-cql:jar:5.2.0-m20260930-114808:runtime
[INFO] | | \- org.antlr:antlr4-runtime:jar:4.13.2:runtime
[INFO] | +- com.sap.cloud.environment.servicebinding.api:java-access-api:jar:0.31.0:compile
[INFO] | +- org.apache.commons:commons-csv:jar:1.14.1:runtime
[INFO] | | \- commons-codec:commons-codec:jar:1.22.1:compile
[INFO] | \- com.cronutils:cron-utils:jar:9.2.1:runtime
[INFO] +- com.sap.cloud.sdk.cloudplatform:tenant:jar:5.35.0:compile
[INFO] | +- com.sap.cloud.sdk.cloudplatform:cloudplatform-core:jar:5.35.0:compile
[INFO] | +- io.vavr:vavr:jar:1.0.1:compile
[INFO] | | \- io.vavr:vavr-match:jar:1.0.0:compile
[INFO] | \- com.auth0:java-jwt:jar:4.6.1:compile
[INFO] +- com.sap.cloud.sdk.cloudplatform:security:jar:5.35.0:compile
[INFO] +- com.sap.cloud.sdk.cloudplatform:connectivity-apache-httpclient4:jar:5.35.0:compile
[INFO] | +- com.sap.cloud.sdk.cloudplatform:cloudplatform-connectivity:jar:5.35.0:compile
[INFO] | | +- com.mikesamuel:json-sanitizer:jar:1.2.3:compile
[INFO] | | +- org.bouncycastle:bcprov-jdk18on:jar:1.86:compile
[INFO] | | \- org.bouncycastle:bcpkix-jdk18on:jar:1.86:compile
[INFO] | | \- org.bouncycastle:bcutil-jdk18on:jar:1.86:compile
[INFO] | +- com.sap.cloud.sdk.cloudplatform:caching:jar:5.35.0:compile
[INFO] | +- org.slf4j:jcl-over-slf4j:jar:2.0.19:runtime
[INFO] | +- org.apache.httpcomponents:httpcore:jar:4.4.16:compile
[INFO] | \- org.apache.httpcomponents:httpclient:jar:4.5.14:compile
[INFO] +- com.sap.cloud.sdk.cloudplatform:connectivity-apache-httpclient5:jar:5.35.0:compile
[INFO] | +- org.apache.httpcomponents.client5:httpclient5:jar:5.6.4:compile
[INFO] | | \- org.apache.httpcomponents.core5:httpcore5-h2:jar:5.4.3:compile
[INFO] | \- org.apache.httpcomponents.core5:httpcore5:jar:5.4.4:compile
[INFO] +- com.sap.cloud.sdk.cloudplatform:connectivity-oauth:jar:5.35.0:compile
[INFO] | +- com.sap.cloud.environment.servicebinding.api:java-consumption-api:jar:0.31.0:compile
[INFO] | +- com.sap.cloud.security.xsuaa:token-client:jar:4.1.2:compile
[INFO] | +- com.sap.cloud.security:java-api:jar:4.1.2:compile
[INFO] | +- org.json:json:jar:20260814:compile
[INFO] | \- com.sap.cloud.security:java-security:jar:4.1.2:runtime
[INFO] | \- com.sap.cloud.security:env:jar:4.1.2:runtime
[INFO] | +- com.sap.cloud.environment.servicebinding:java-sap-vcap-services:jar:0.31.0:runtime
[INFO] | \- com.sap.cloud.environment.servicebinding:java-sap-service-operator:jar:0.31.0:runtime
[INFO] +- com.sap.cloud.sdk.cloudplatform:resilience:jar:5.35.0:compile
[INFO] | +- com.sap.cloud.sdk.cloudplatform:resilience-api:jar:5.35.0:compile
[INFO] | \- com.sap.cloud.sdk.cloudplatform:resilience4j:jar:5.35.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-core:jar:2.4.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-circuitbreaker:jar:2.4.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-bulkhead:jar:2.4.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-timelimiter:jar:2.4.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-retry:jar:2.4.0:compile
[INFO] | +- io.github.resilience4j:resilience4j-ratelimiter:jar:2.4.0:compile
[INFO] | \- javax.cache:cache-api:jar:1.1.1:compile
[INFO] +- org.junit.jupiter:junit-jupiter:jar:6.1.3:test
[INFO] | +- org.junit.jupiter:junit-jupiter-api:jar:6.1.3:test
[INFO] | | +- org.opentest4j:opentest4j:jar:1.3.0:test
[INFO] | | +- org.junit.platform:junit-platform-commons:jar:6.1.3:test
[INFO] | | \- org.apiguardian:apiguardian-api:jar:1.1.2:test
[INFO] | +- org.junit.jupiter:junit-jupiter-params:jar:6.1.3:test
[INFO] | \- org.junit.jupiter:junit-jupiter-engine:jar:6.1.3:test
[INFO] | \- org.junit.platform:junit-platform-engine:jar:6.1.3:test
[INFO] +- org.hamcrest:hamcrest:jar:3.0:test
[INFO] +- org.wiremock:wiremock-jetty12:jar:3.13.2:test
[INFO] | +- org.wiremock:wiremock:jar:3.13.2:test
[INFO] | | +- com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.21.6:test
[INFO] | | +- org.xmlunit:xmlunit-core:jar:2.11.0:test
[INFO] | | | \- jakarta.xml.bind:jakarta.xml.bind-api:jar:2.3.3:test
[INFO] | | | \- jakarta.activation:jakarta.activation-api:jar:1.2.2:test
[INFO] | | +- org.xmlunit:xmlunit-legacy:jar:2.11.0:test
[INFO] | | +- org.xmlunit:xmlunit-placeholders:jar:2.11.0:test
[INFO] | | +- net.javacrumbs.json-unit:json-unit-core:jar:2.40.1:test
[INFO] | | | \- org.hamcrest:hamcrest-core:jar:2.2:test
[INFO] | | +- com.jayway.jsonpath:json-path:jar:2.10.0:test
[INFO] | | | \- net.minidev:json-smart:jar:2.6.0:test
[INFO] | | | \- net.minidev:accessors-smart:jar:2.6.0:test
[INFO] | | +- net.sf.jopt-simple:jopt-simple:jar:5.0.4:test
[INFO] | | +- com.github.jknack:handlebars:jar:4.3.1:test
[INFO] | | +- com.github.jknack:handlebars-helpers:jar:4.3.1:test
[INFO] | | +- commons-fileupload:commons-fileupload:jar:1.6.0:test
[INFO] | | \- com.networknt:json-schema-validator:jar:1.5.9:test
[INFO] | | +- com.ethlo.time:itu:jar:1.14.0:test
[INFO] | | \- com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:jar:2.21.6:test
[INFO] | | \- org.yaml:snakeyaml:jar:2.7:test
[INFO] | +- org.eclipse.jetty:jetty-server:jar:12.0.30:test
[INFO] | | +- org.eclipse.jetty:jetty-http:jar:12.0.30:test
[INFO] | | \- org.eclipse.jetty:jetty-io:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty:jetty-proxy:jar:12.0.30:test
[INFO] | | \- org.eclipse.jetty:jetty-client:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty:jetty-alpn-server:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty:jetty-alpn-java-server:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty:jetty-alpn-java-client:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty:jetty-alpn-client:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty.ee10:jetty-ee10-servlet:jar:12.0.30:test
[INFO] | | +- jakarta.servlet:jakarta.servlet-api:jar:6.0.0:provided
[INFO] | | +- org.eclipse.jetty:jetty-security:jar:12.0.30:test
[INFO] | | \- org.eclipse.jetty:jetty-session:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty.ee10:jetty-ee10-servlets:jar:12.0.30:test
[INFO] | | \- org.eclipse.jetty:jetty-util:jar:12.0.30:test
[INFO] | +- org.eclipse.jetty.ee10:jetty-ee10-webapp:jar:12.0.30:test
[INFO] | | +- org.eclipse.jetty:jetty-ee:jar:12.0.30:test
[INFO] | | \- org.eclipse.jetty:jetty-xml:jar:12.0.30:test
[INFO] | \- org.eclipse.jetty.http2:jetty-http2-server:jar:12.0.30:test
[INFO] | \- org.eclipse.jetty.http2:jetty-http2-common:jar:12.0.30:test
[INFO] | \- org.eclipse.jetty.http2:jetty-http2-hpack:jar:12.0.30:test
[INFO] +- org.mockito:mockito-core:jar:5.23.0:test
[INFO] | +- net.bytebuddy:byte-buddy:jar:1.17.7:test
[INFO] | +- net.bytebuddy:byte-buddy-agent:jar:1.17.7:test
[INFO] | \- org.objenesis:objenesis:jar:3.3:test
[INFO] \- org.slf4j:slf4j-reload4j:jar:2.0.19:test
[INFO] \- ch.qos.reload4j:reload4j:jar:1.2.22:test```
</details>
### Code Examples
```java
// Your code here
Stack Trace
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Log File
Log file
...Affected Development Phase
Getting Started
Impact
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Timeline
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