[Bug]:

[stbischof]

Module

Core

Testcontainers version

1.20.2

Using the latest Testcontainers version?

Yes

Host OS

linux fedora silverblue

Host Arch

x64

Docker version

podman

What happened?

Exception while calc getMemTotel with null

Relevant log output

<<< ERROR: Cannot invoke "java.lang.Long.longValue()" because the return value of "com.github.dockerjava.api.model.Info.getMemTotal()" is null
java.lang.NullPointerException: Cannot invoke "java.lang.Long.longValue()" because the return value of "com.github.dockerjava.api.model.Info.getMemTotal()" is null
at org.testcontainers.DockerClientFactory.client(DockerClientFactory.java:228)
at org.testcontainers.DockerClientFactory$1.getDockerClient(DockerClientFactory.java:108)
at com.github.dockerjava.api.DockerClientDelegate.pingCmd(DockerClientDelegate.java:124)

Additional Information

    private static boolean tryOutStrategy(List<String> configurationFailures, DockerClientProviderStrategy strategy) {
        try {
            log.debug("Trying out strategy: {}", strategy.getClass().getSimpleName());

            if (!strategy.test()) {
                log.debug("strategy {} did not pass the test", strategy.getClass().getSimpleName());
                return false;
            }

            strategy.info = strategy.getDockerClient().infoCmd().exec();
            log.info("Found Docker environment with {}", strategy.getDescription());
            log.debug(

the strategy.info

is

Info(architecture=null, containers=null, containersStopped=null, containersPaused=null, containersRunning=null, cpuCfsPeriod=null, cpuCfsQuota=null, cpuShares=null, cpuSet=null, debug=null, discoveryBackend=null, dockerRootDir=null, driver=null, driverStatuses=null, systemStatus=null, plugins=null, executionDriver=null, loggingDriver=null, experimentalBuild=null, httpProxy=null, httpsProxy=null, id=null, ipv4Forwarding=null, bridgeNfIptables=null, bridgeNfIp6tables=null, images=null, indexServerAddress=null, initPath=null, initSha1=null, kernelVersion=null, labels=null, memoryLimit=null, memTotal=null, name=null, ncpu=null, nEventsListener=null, nfd=null, nGoroutines=null, noProxy=null, oomKillDisable=null, osType=null, oomScoreAdj=null, operatingSystem=null, registryConfig=null, sockets=null, swapLimit=null, systemTime=null, serverVersion=null, clusterStore=null, clusterAdvertise=null, swarm=null, isolation=null, securityOptions=null, runtimes=null)

[eddumelendez]

Hi, have you followed the docs?