docker-java-transport-httpclient5 broken over Unix sockets (regression in httpclient5 5.4) #2363
Description
Steps to reproduce
Clone https://github.com/docker-java/docker-java.git and apply
diff --git a/docker-java-transport-httpclient5/pom.xml b/docker-java-transport-httpclient5/pom.xml
index 48b751d5..808855f2 100644
--- a/docker-java-transport-httpclient5/pom.xml
+++ b/docker-java-transport-httpclient5/pom.xml
@@ -29,7 +29,7 @@
<dependency>
<groupId>org.apache.httpcomponents.client5</groupId>
<artifactId>httpclient5</artifactId>
- <version>5.0.3</version>
+ <version>5.4</version>
</dependency>and run mvn clean verify -Dtest=HttpClient5Tests -DfailIfNoTests=false -DskipITs
Expected results
Note: These are the actual results with httpclient5 5.0.3 and 5.3.1.
Tests pass.
Actual results
Tests fail with
java.lang.RuntimeException: org.apache.hc.client5.http.HttpHostConnectException: Connect to unix://localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused
at com.github.dockerjava.httpclient5.ApacheDockerHttpClientImpl.execute(ApacheDockerHttpClientImpl.java:210)
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.lambda$executeAndStream$1(DefaultInvocationBuilder.java:269)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: org.apache.hc.client5.http.HttpHostConnectException: Connect to unix://localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682)
at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:542)
at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:592)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327)
at java.base/java.net.Socket.connect(Socket.java:751)
at org.apache.hc.client5.http.impl.io.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:216)
at org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:490)
at org.apache.hc.client5.http.impl.classic.InternalExecRuntime.connectEndpoint(InternalExecRuntime.java:164)
at org.apache.hc.client5.http.impl.classic.InternalExecRuntime.connectEndpoint(InternalExecRuntime.java:174)
at org.apache.hc.client5.http.impl.classic.ConnectExec.execute(ConnectExec.java:144)
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
at org.apache.hc.client5.http.impl.classic.ProtocolExec.execute(ProtocolExec.java:192)
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
at org.apache.hc.client5.http.impl.classic.ContentCompressionExec.execute(ContentCompressionExec.java:150)
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
at org.apache.hc.client5.http.impl.classic.HttpRequestRetryExec.execute(HttpRequestRetryExec.java:113)
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
at org.apache.hc.client5.http.impl.classic.RedirectExec.execute(RedirectExec.java:110)
at org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
at org.apache.hc.client5.http.impl.classic.InternalHttpClient.doExecute(InternalHttpClient.java:174)
at org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:87)
at com.github.dockerjava.httpclient5.ApacheDockerHttpClientImpl.execute(ApacheDockerHttpClientImpl.java:206)
Evaluation
Bisection shows this regression was caused by apache/httpcomponents-client@851c8df9f in apache/httpcomponents-client#540 by @ok2c. See also HTTPCLIENT-2348.