testcontainers/testcontainers-java

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Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Stars: 8.7k
Forks: 1.9k
Open beginner issues: 0
Indexed issues: 412
Avg merge: 2d 17h
Merged PRs (30d): 9

Dominant language: Java
License: MIT
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue hacktoberfest

Beginner friendly Everything

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412 open issues indexed

[Bug]: Java k3s testcontainers fails to start in Concourse CI Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#10125 · Opened Mar 18, 2025
[Bug]: Docker TestContainer failure with Linux Mint 21+ Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#10094 · 1 comment · Opened Mar 13, 2025
[Bug]: HiveMQExtension / Class Loading Issue Open

modules/hivemq type/bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

testcontainers/testcontainers-java#10074 · Opened Mar 9, 2025
[Bug]: Can't run on Kubernetes when using Podman as a sidecar container Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#10037 · 1 comment · 1 reaction · Opened Feb 28, 2025
Forcing PLAINTEXT in SECURITY_PROTOCOL_MAP for created listener Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

testcontainers/testcontainers-java#10035 · 2 comments · Opened Feb 26, 2025
[Bug]: Fully qualified image names are considered "incompatible" Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

testcontainers/testcontainers-java#9958 · 2 comments · 2 reactions · Opened Feb 13, 2025
[Bug]: Starting with 1.20.2 we can no longer get the logs of a container that failed to start Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

testcontainers/testcontainers-java#9956 · 3 comments · Opened Feb 11, 2025
feature request: expand "Customizing Image Pull Behavior" to include a "platform" override Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

testcontainers/testcontainers-java#9908 · 11 comments · 6 reactions · Opened Jan 29, 2025
[Enhancement]: Debug Messages should be calling arguments, when debug level is disabled Open

type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

testcontainers/testcontainers-java#9876 · 2 comments · Opened Jan 23, 2025
[Bug]: Receiving EOF on mounted folder when using Docker Compose Container Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9870 · Opened Jan 21, 2025
[Bug]: Pods not starting/creating in K3sContainer Open

modules/k3s type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9605 · 1 comment · Opened Dec 6, 2024
[Bug]: `ImageNameSubstitutor` cannot set compatibility Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

testcontainers/testcontainers-java#9575 · 1 comment · Opened Nov 30, 2024
[Enhancement]: Allow varying the OS credential key and the registry name independently Open

type/enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

testcontainers/testcontainers-java#9573 · Opened Nov 27, 2024
[Bug]: Cannot parse Date when deserializing com.github.dockerjava.api.model.Network object Open

resolution/waiting-for-info type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9542 · 21 comments · 4 reactions · Opened Nov 19, 2024
[Enhancement]: setCommand should allow space escaping Open

type/enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

testcontainers/testcontainers-java#9530 · 2 comments · Opened Nov 14, 2024
[Bug]: jackson-databind version upgrade to remediate security vulnerabilities Open

type/bug

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

testcontainers/testcontainers-java#9528 · 4 comments · Opened Nov 13, 2024
[Feature]: Container startup attempt backoff strategy Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9479 · 3 comments · Opened Oct 30, 2024
[Bug]: Unable to build from a Dockerfile loaded from the classpath of a Jar. Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9423 · 1 comment · Opened Oct 21, 2024
[Enhancement]: SSH support for remote docker_host Open

resolution/somedaymaybe type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

testcontainers/testcontainers-java#9408 · 1 comment · Opened Oct 15, 2024
[Bug]: OllamaContainer start fails on non-nvidia desktop after Docker Desktop updated from 4.33.1 to 4.34.2 Open

modules/ollama type/bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

testcontainers/testcontainers-java#9287 · 5 comments · 1 reaction · Opened Sep 26, 2024
[Bug]: duct-tape:1.0.8 contains a Thread Leak Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

testcontainers/testcontainers-java#9227 · 6 comments · Opened Sep 16, 2024
[Bug]: Library source does not match the bytecode for class GenericContainer Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

testcontainers/testcontainers-java#9220 · 4 comments · Opened Sep 12, 2024
[Bug]: Oracle Stored Procedure Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9199 · 5 comments · Opened Sep 9, 2024
[Bug]: Giving SSLHandshakeException while executing PATCH command Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#9197 · 1 comment · Opened Sep 6, 2024
[Bug]: Doesn't work behind proxy since 1.20.0 (1.20.1 too) Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#9141 · 2 comments · 1 reaction · Opened Aug 23, 2024
[Bug]: Testcontainers forces Ryuk to use Unix sockets as Docker host, breaking environments which use a TCP socket Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

testcontainers/testcontainers-java#9137 · 4 comments · 2 reactions · Opened Aug 21, 2024
[Bug]: Deadlock between DockerClientFactory and RyukResourceReaper with JUnit 5 parallel tests Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#9120 · 7 comments · Opened Aug 17, 2024
[Bug]: Container startup failed for image docker/compose:1.29.2 - Status 500 unexpected EOF Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#9071 · 3 comments · 1 reaction · Opened Aug 7, 2024
[Bug]: MySQL Testcontainer can't chown /etc/mysql/conf.d folder inside rootless docker container Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

testcontainers/testcontainers-java#9053 · 5 comments · Opened Aug 1, 2024
Could not find a valid Docker environment when using Gradle Shared Build Service (`ClassNotFoundException` when loading strategies) Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#9050 · 3 comments · 2 reactions · Opened Jul 31, 2024
GenericContainer withFileSystemBind: creates a root owned directory/file Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#8871 · 1 comment · 4 reactions · Opened Jul 10, 2024
[Bug]: Elasticsearch: Incorrectly detected OSS image Open

modules/elasticsearch type/bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

testcontainers/testcontainers-java#8849 · 3 comments · Opened Jul 5, 2024
[Enhancement]: Containers declared with @Container can not depend od each other mapped ports using method withEnv(). Use Supplier<String> for env values Open

type/enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

testcontainers/testcontainers-java#8823 · 2 comments · 1 reaction · Opened Jul 1, 2024
Add getR2dbcUrl helper method to JdbcDatabaseContainer Open

good first issue modules/r2dbc type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

testcontainers/testcontainers-java#8797 · 14 comments · Opened Jun 23, 2024
[Bug]: Docker Client protocol magically changed from tcp to http in oracle-xe Open

resolution/waiting-for-info type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#8794 · 2 comments · Opened Jun 20, 2024
[Bug]: init script UTF8 conversion breaks encoding used in database when not in UTF8 Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

testcontainers/testcontainers-java#8776 · 1 comment · Opened Jun 13, 2024
[Bug]: Docker communication error using DOCKER_HOST localhost (1.17+) Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#8773 · 1 comment · Opened Jun 12, 2024
[Bug]: Remote Docker Host not working Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#8735 · 1 comment · Opened May 29, 2024
[Feature]: Presto Module uses the outdated Docker Image of `ghcr.io/trinodb/presto` and needs to be updated to `prestodb/presto` Open

help wanted type/feature

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

testcontainers/testcontainers-java#8657 · 4 comments · Opened May 21, 2024
[Enhancement]: Support running init script against a specific database Open

type/enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

testcontainers/testcontainers-java#8634 · Opened May 15, 2024
[Bug]: Parallel container startup hungs when withCreateContainerCmdModifier is used Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

testcontainers/testcontainers-java#8618 · 5 comments · Opened May 13, 2024
[Enhancement]: Shrink size of core-jar / Rethink shading Open

type/enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

testcontainers/testcontainers-java#8612 · 4 reactions · Opened May 7, 2024
[Bug]: withStartupTimoutSeconds(int) not working Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

testcontainers/testcontainers-java#8590 · 3 comments · 1 reaction · Opened Apr 30, 2024
[Bug]: Can't connect to Ryuk when running in container on Jenkins Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#8577 · 2 comments · Opened Apr 26, 2024
[Feature]: Selenium/BrowserWebDriver - Get rid of your VNC recorder and use Selenium's video recorder Open

modules/selenium type/feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

testcontainers/testcontainers-java#8575 · 1 comment · 3 reactions · Opened Apr 24, 2024
[Enhancement]: Support TESTCONTAINERS_DOCKER_SOCKET_OVERRIDE to be read from ~/.testcontainers.properties Open

type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

testcontainers/testcontainers-java#8537 · 3 comments · 19 reactions · Opened Apr 9, 2024
[Bug]: Unexpected exit of vnc-recorder when closing pop-ups on MacOS Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#8452 · 1 comment · Opened Mar 14, 2024
[Feature]: Document and provide tooling for running testcontainers from windows (ie: intellij) using docker ce on wsl without desktop Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

testcontainers/testcontainers-java#8370 · 4 reactions · Opened Feb 24, 2024
[Bug]: Building a container when running inside another one with mounted socket is not possible Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

testcontainers/testcontainers-java#8368 · Opened Feb 23, 2024
[Bug]: Library source doesn't match bytecode Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

testcontainers/testcontainers-java#8281 · 1 comment · 5 reactions · Opened Feb 6, 2024

testcontainers/testcontainers-java

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