java/net/URL/OpenStream.java fails intermittently

The following test failed:

java/net/URL/OpenStream.java

in a jdk/jdk Tier2 testing run.

Here's a snippet from the .jtr file:

----------System.out:(1/57)----------
Loading handler class: sun.net.www.protocol.http.Handler
----------System.err:(22/1536)----------
java.io.IOException: Server returned HTTP response code: 502 for URL: http://foo.bar.baz/
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1913)
at java.base/sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:97)
at java.base/sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1501)
at java.base/sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1499)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:793)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at java.base/java.net.URL.openStream(URL.java:1117)
at OpenStream.checkThrows(OpenStream.java:58)
at OpenStream.testHttp(OpenStream.java:45)
at OpenStream.main(OpenStream.java:40)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:832)