Caused by: java.lang.RuntimeException: org.apache.hc.client5.http.HttpHostConnectException: Connect to unix://localhost:2375 [localhost/127.0.0.1] failed: Connection refused
	at com.github.dockerjava.httpclient5.ApacheDockerHttpClientImpl.execute(ApacheDockerHttpClientImpl.java:195)
	at com.github.dockerjava.httpclient5.ApacheDockerHttpClient.execute(ApacheDockerHttpClient.java:9)
	at com.github.dockerjava.core.DefaultInvocationBuilder.execute(DefaultInvocationBuilder.java:228)
	at com.github.dockerjava.core.DefaultInvocationBuilder.get(DefaultInvocationBuilder.java:202)
	at com.github.dockerjava.core.DefaultInvocationBuilder.get(DefaultInvocationBuilder.java:74)
	at com.github.dockerjava.core.exec.ListContainersCmdExec.execute(ListContainersCmdExec.java:44)
	at com.github.dockerjava.core.exec.ListContainersCmdExec.execute(ListContainersCmdExec.java:15)
	at com.github.dockerjava.core.exec.AbstrSyncDockerCmdExec.exec(AbstrSyncDockerCmdExec.java:21)
	at com.github.dockerjava.core.command.AbstrDockerCmd.exec(AbstrDockerCmd.java:33)
	at org.xwiki.export.pdf.internal.docker.ContainerManager.exec(ContainerManager.java:291)
	at org.xwiki.export.pdf.internal.docker.ContainerManager.maybeReuseContainerByName(ContainerManager.java:96)
	at org.xwiki.export.pdf.internal.chrome.ChromeManagerManager.prepareChromeDockerContainer(ChromeManagerManager.java:183)