src/java.base/share/classes/sun/net/www/http/KeepAliveStream.java

*** 171,186 ****
  
              if (startCleanupThread) {
                  java.security.AccessController.doPrivileged(
                      new java.security.PrivilegedAction<Void>() {
                      public Void run() {
!                         cleanerThread = new InnocuousThread(queue, "Keep-Alive-SocketCleaner");
                          cleanerThread.setDaemon(true);
                          cleanerThread.setPriority(Thread.MAX_PRIORITY - 2);
-                         // Set the context class loader to null in order to avoid
-                         // keeping a strong reference to an application classloader.
-                         cleanerThread.setContextClassLoader(null);
                          cleanerThread.start();
                          return null;
                      }
                  });
              }
--- 171,183 ----
  
              if (startCleanupThread) {
                  java.security.AccessController.doPrivileged(
                      new java.security.PrivilegedAction<Void>() {
                      public Void run() {
!                         cleanerThread = new InnocuousThread(queue, "Keep-Alive-SocketCleaner", false);
                          cleanerThread.setDaemon(true);
                          cleanerThread.setPriority(Thread.MAX_PRIORITY - 2);
                          cleanerThread.start();
                          return null;
                      }
                  });
              }