8221395: HttpClient leaving connections in CLOSE_WAIT state until Java process ends Summary: When a non WebSocket connection is not returned to the pool, it needs to be closed even if HttpConnection::isOpen yields false. Reviewed-by: chegar, michaelm

8220351: Cross-modifying code Reviewed-by: rrich, mdoerr, dholmes, eosterlund

8220786: Create new switch to redirect error reporting output to stdout or stderr Reviewed-by: dholmes, goetz

8221413: javac does not recognize variable assigned in switch expression as DA Summary: Fixing definite assignment in presence of implicit throws clause in switch expressions over enums. Reviewed-by: vromero

8221398: Move test NoClassDefFoundMsg.java to subdir exceptionMsgs/ Reviewed-by: coleenp

8221532: Incorrect copyright header in FileSystemSupport_md.c Reviewed-by: cjplummer, gadams

8218727: vmTestbase/nsk/jvmti/scenarios/events/EM04/em04t001/TestDescription.java crash in native library Reviewed-by: sspitsyn, gadams

Added tag jdk-13+14 for changeset 46cf212cdcca

8221568: DataOutputStream/WriteUTF.java fails due to "OutOfMemoryError: Java heap space" Reviewed-by: shade

8221533: Incorrect copyright header in DurationDayTimeImpl.java, DurationYearMonthImpl.java and XMLStreamException.java Reviewed-by: bpb, lancea

8220575: Replace hardcoded 127.0.0.1 in URLs with new URI builder Reviewed-by: dfuchs, chegar Contributed-by: aeubanks@google.com

8221531: Incorrect copyright header in src/java.base/windows/native/libnio/ch/FileChannelImpl.c Reviewed-by: lancea, bchristi

8220528: [AIX] Fix basic Xinerama and Xrender functionality Reviewed-by: clanger, stuefe, serb

8221456: nmethod::make_unloaded() clears _method member too early Reviewed-by: eosterlund, thartmann