The test was observed failing in timeout once. The thread dump reveals that there's no server thread (indicating that it has either never started, or already completed), but the client (MainThread) is still blocked in `getInputStream` waiting for the headers to arrive.

"MainThread" #16 prio=5 os_prio=0 cpu=62.50ms elapsed=133.79s allocated=521K defined_classes=112 tid=0x000001cf072fc060 nid=0xbbf0 runnable [0x0000008cf34fe000]
   java.lang.Thread.State: RUNNABLE
at sun.nio.ch.SocketDispatcher.read0(java.base@17-ea/Native Method)
at sun.nio.ch.SocketDispatcher.read(java.base@17-ea/SocketDispatcher.java:46)
at sun.nio.ch.NioSocketImpl.tryRead(java.base@17-ea/NioSocketImpl.java:261)
at sun.nio.ch.NioSocketImpl.implRead(java.base@17-ea/NioSocketImpl.java:312)
at sun.nio.ch.NioSocketImpl.read(java.base@17-ea/NioSocketImpl.java:350)
at sun.nio.ch.NioSocketImpl$1.read(java.base@17-ea/NioSocketImpl.java:803)
at java.net.Socket$SocketInputStream.read(java.base@17-ea/Socket.java:962)
at java.io.BufferedInputStream.fill(java.base@17-ea/BufferedInputStream.java:244)
at java.io.BufferedInputStream.read1(java.base@17-ea/BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(java.base@17-ea/BufferedInputStream.java:343)
- locked <0x00000000e2500028> (a java.io.BufferedInputStream)
at sun.net.www.http.HttpClient.parseHTTPHeader(java.base@17-ea/HttpClient.java:788)
at sun.net.www.http.HttpClient.parseHTTP(java.base@17-ea/HttpClient.java:723)
at sun.net.www.http.HttpClient.parseHTTP(java.base@17-ea/HttpClient.java:747)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(java.base@17-ea/HttpURLConnection.java:1676)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(java.base@17-ea/HttpURLConnection.java:1577)
at KeepAliveStreamCloseWithWrongContentLength.main(KeepAliveStreamCloseWithWrongContentLength.java:94)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@17-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@17-ea/NativeMethodAccessorImpl.java:78)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@17-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@17-ea/Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.lang.Thread.run(java.base@17-ea/Thread.java:831)