RELEASE NOTES: JDK 17.0.20

Notes generated: Thu May 21 06:10:04 CEST 2026

JEPs

None.

RELEASE NOTES

security-libs/java.security

Issue Description
JDK-8372351

Added WISeKey Global GB and GC Root CA Certificates


The following root certificates have been added to the cacerts truststore: ``` + WISeKey + wisekeyglobalrootgbca DN: CN=OISTE WISeKey Global Root GB CA, OU=OISTE Foundation Endorsed, O=WISeKey, C=CH

  • WISeKey
  • wisekeyglobalrootgcca DN: CN=OISTE WISeKey Global Root GC CA, OU=OISTE Foundation Endorsed, O=WISeKey, C=CH ```

FIXED ISSUES

client-libs

Priority Bug Summary
P4 JDK-8340987 Open some TextArea awt tests 1
P4 JDK-8341055 Open some TextArea awt tests 2
P4 JDK-8341292 Open some TextArea awt tests 3
P4 JDK-8341376 Open some TextArea awt tests 4
P4 JDK-8367772 Refactor createUI in PassFailJFrame
P4 JDK-8355179 Reinstate javax/swing/JScrollBar/4865918/bug4865918.java headful and macos run

client-libs/2d

Priority Bug Summary
P3 JDK-8297191 [macos] Printing a page range with starting page > 1 results in missing pages
P3 JDK-8378201 [OGL] glXMakeContextCurrent() drops the buffers of the unbound drawable
P3 JDK-8378417 Printing All pages results in NPE for 1.1 PrintJob
P3 JDK-8375065 Update LCMS to 2.18
P3 JDK-8383354 Update LCMS to 2.19.1
P4 JDK-8328300 Convert PrintDialogsTest.java from Applet to main program
P4 JDK-8377602 Create automated test for PageRange
P4 JDK-8352733 Improve RotFontBoundsTest test
P4 JDK-8221451 PIT: sun/java2d/X11SurfaceData/SharedMemoryPixmapsTest/SharedMemoryPixmapsTest.sh fails
P4 JDK-8320677 Printer tests use invalid '@run main/manual=yesno
P4 JDK-8357082 Stabilize and add debug logs to CopyAreaOOB.java
P4 JDK-8338103 Stabilize and open source a Swing OGL ButtonResizeTest
P4 JDK-8369561 sun/java2d/OpenGL/DrawBitmaskImage.java#id0: Incorrect color for first pixel (actual=ff000000)
P4 JDK-8369911 Test sun/java2d/marlin/ClipShapeTest.java#CubicDoDash, #Cubic and #Poly fail intermittent
P4 JDK-7184899 Test sun/java2d/X11SurfaceData/SharedMemoryPixmapsTest/SharedMemoryPixmapsTest.sh fail
P5 JDK-8299304 Test "java/awt/print/PrinterJob/PageDialogTest.java" fails on macOS 13 x64 because the Page Dialog blocks the Toolkit

client-libs/java.awt

Priority Bug Summary
P3 JDK-8298823 [macos] java/awt/Mouse/EnterExitEvents/DragWindowTest.java continues to fail with "No MouseReleased event on label!"
P3 JDK-8376233 Clean up code in Desktop native peer
P3 JDK-8015444 java/awt/Focus/KeyStrokeTest.java sometimes fails
P4 JDK-8365424 [macos26] java/awt/Frame/DisposeTest.java fails on macOS 26
P4 JDK-8365423 [macos26] java/awt/MenuBar/8007006/bug8007006.java fails on macOS 26
P4 JDK-8346154 [XWayland] Some tests fail intermittently in the CI, but not locally
P4 JDK-8361606 ConsumeNextMnemonicKeyTypedTest.java fails on Windows: character typed with VK_A: a
P4 JDK-8347836 Disabled PopupMenu shows shortcuts on Mac
P4 JDK-8321303 Intermittent open/test/jdk/java/awt/KeyboardFocusmanager/ConsumeNextMnemonicKeyTypedTest/ConsumeNextMnemonicKeyTypedTest.java failure on Linux
P4 JDK-8366852 java/awt/Choice/ChoiceMouseWheelTest/ChoiceMouseWheelTest.java test is failing
P4 JDK-8367784 java/awt/Focus/InitialFocusTest/InitialFocusTest1.java failed with Wrong focus owner
P4 JDK-8323545 java/awt/GraphicsDevice/CheckDisplayModes.java fails with "exit code: 133"
P4 JDK-8357390 java/awt/Toolkit/ScreenInsetsTest/ScreenInsetsTest.java Test failing on Ubuntu 24.04 Vm Hosts used by Oracle's internal CI system
P4 JDK-8374304 MultiResolutionSplashTest.java fails in CI: "Image with wrong resolution is used for splash screen!"
P4 JDK-8340336 Open some checkbox awt tests
P4 JDK-8339879 Open some dialog awt tests
P4 JDK-8339975 Open some dialog awt tests 2
P4 JDK-8340140 Open some dialog awt tests 3
P4 JDK-8340494 Open some dialog awt tests 4
P4 JDK-8340851 Open some TextArea awt tests
P4 JDK-8369251 Opensource few tests
P4 JDK-8352877 Opensource Several Font related tests - Batch 1
P4 JDK-8353552 Opensource Several Font related tests - Batch 3
P4 JDK-8373239 Test java/awt/print/PrinterJob/PageRanges.java fails with incorrect selection of printed pages
P4 JDK-8274082 Wrong test name in jtreg run tag for java/awt/print/PrinterJob/SwingUIText.java
P5 JDK-8068378 [TEST_BUG]The java/awt/Modal/PrintDialogsTest/PrintDialogsTest.java instruction need to update

client-libs/javax.accessibility

Priority Bug Summary
P3 JDK-8286258 [Accessibility,macOS,VoiceOver] VoiceOver reads the spinner value wrong and sometime partially

client-libs/javax.imageio

Priority Bug Summary
P4 JDK-8377167 javax/imageio/ReadAbortTest.java throw NPE when x11 unavailable

client-libs/javax.sound

Priority Bug Summary
P3 JDK-8372120 Add missing sound keyword to MIDI tests
P4 JDK-8376152 Test javax/sound/sampled/Clip/bug5070081.java timed out then completed

client-libs/javax.swing

Priority Bug Summary
P3 JDK-8365625 Can't change accelerator colors in Windows L&F
P3 JDK-8377727 Ghost caret and focus appear in non‑editable text fields
P3 JDK-8374506 Incorrect positioning of arrow icon in parent JMenu in Windows L&F
P3 JDK-8354900 javax/swing/AbstractButton/bug4133768.java failing on macosx-aarch64
P3 JDK-8316274 javax/swing/ButtonGroup/TestButtonGroupFocusTraversal.java fails in Ubuntu 23.10 with Motif LAF
P3 JDK-8373650 Test "javax/swing/JMenuItem/6458123/ManualBug6458123.java" fails because the check icons are not aligned properly as expected
P4 JDK-8064922 [macos] Test javax/swing/JTabbedPane/4624207/bug4624207.java fails
P4 JDK-8068293 [TEST_BUG] Test closed/com/sun/java/swing/plaf/motif/InternalFrame/4150591/bug4150591.java fails with GTKLookAndFeel
P4 JDK-8068310 [TEST_BUG] Test javax/swing/JColorChooser/Test4234761.java fails with GTKL&F
P4 JDK-8366369 Add @requires linux for GTK L&F tests
P4 JDK-8355332 Fix failing semi-manual test EDT issue
P4 JDK-8345618 javax/swing/text/Caret/8163124/CaretFloatingPointAPITest.java leaves Caret is not complete
P4 JDK-8353488 Open some JComboBox bugs 3
P4 JDK-8354695 Open source several swing tests batch7
P4 JDK-8354163 Open source Swing tests Batch 1
P4 JDK-8352685 Opensource JInternalFrame tests - series2
P4 JDK-8365379 SU3.applyInsets may produce wrong results
P4 JDK-8339233 Test javax/swing/JButton/SwingButtonResizeTestWithOpenGL.java#id failed: Button renderings are different after window resize
P4 JDK-8371365 Update javax/swing/JFileChooser/bug4759934.java to use Util.findComponent()

core-libs/java.io

Priority Bug Summary
P4 JDK-8355443 [java.io] Use @requires tag instead of exiting based on File.separatorChar value
P4 JDK-8377910 Minor cleanup of java/io/FileDescriptor/Sharing.java

core-libs/java.io:serialization

Priority Bug Summary
P4 JDK-8373623 Refactor Serialization tests for Records to JUnit

core-libs/java.lang

Priority Bug Summary
P4 JDK-8368683 [process] Increase jtreg debug output maxOutputSize for TreeTest
P4 JDK-8298783 java/lang/ref/FinalizerHistogramTest.java failed with "RuntimeException: MyObject is not found in test output"
P4 JDK-8369858 Remove darcy author tags from jdk tests

core-libs/java.net

Priority Bug Summary
P4 JDK-8361106 [TEST] com/sun/net/httpserver/Test9.java fails with java.nio.file.FileSystemException
P4 JDK-8372661 Add a null-safe static factory method to "jdk.test.lib.net.SimpleSSLContext"
P4 JDK-8371366 java/net/httpclient/whitebox/RawChannelTestDriver.java fails intermittently in jtreg timeout
P4 JDK-8323089 networkaddress.cache.ttl is not a system property
P4 JDK-8373869 Refactor java/net/httpclient/ThrowingPushPromises*.java tests to use JUnit5
P4 JDK-8373807 test/jdk/java/net/httpclient/websocket/DummyWebSocketServer.java getURI() uses "localhost"
P4 JDK-8369950 TLS connection to IPv6 address fails with BCJSSE due to IllegalArgumentException

core-libs/java.nio

Priority Bug Summary
P4 JDK-8255463 java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java failed with ThreadTimeoutException
P4 JDK-8366128 jdk/jdk/nio/zipfs/TestPosix.java::testJarFile uses wrong file

core-libs/java.text

Priority Bug Summary
P4 JDK-8372609 Bug4944439 does not enforce locale correctly
P4 JDK-8368498 Use JUnit instead of TestNG for jdk_text tests

core-libs/java.util

Priority Bug Summary
P4 JDK-8373716 Refactor further java/util tests from TestNG to JUnit
P4 JDK-8375231 Refactor util/ServiceLoader tests to use JUnit
P4 JDK-8375232 Refactor util/StringJoiner tests to use JUnit
P4 JDK-8375233 Refactor util/Vector tests to use JUnit

core-libs/java.util:i18n

Priority Bug Summary
P4 JDK-8374433 java/util/Locale/PreserveTagCase.java does not run any tests
P4 JDK-8368335 Refactor the rest of Locale TestNG based tests to JUnit
P4 JDK-8362428 Update IANA Language Subtag Registry to Version 2025-08-25

core-libs/javax.naming

Priority Bug Summary
P4 JDK-8287062 com/sun/jndi/ldap/LdapPoolTimeoutTest.java failed due to different timeout message
P5 JDK-8375999 com/sun/jndi/ldap/LdapPoolTimeoutTest.java fails sporadically on Windows

core-svc/java.lang.management

Priority Bug Summary
P4 JDK-8377944 LowMemoryTest2.java#id1 intermittent fails OOME: Metaspace

hotspot/compiler

Priority Bug Summary
P2 JDK-8358751 C2: Recursive inlining check for compiled lambda forms is broken
P3 JDK-8324345 Stack overflow during C2 compilation when splitting memory phi
P4 JDK-8324641 [IR Framework] Add Setup method to provide custom arguments and set fields
P4 JDK-8337876 [IR Framework] Add support for IR tests with @Stable
P4 JDK-8282044 [JVMCI] Export _sha3_implCompress, _md5_implCompress and aarch64::_has_negatives stubs to JVMCI compiler.
P4 JDK-8293484 AArch64: TestUseSHA512IntrinsicsOptionOnSupportedCPU.java fails on CPU with SHA512 feature support
P4 JDK-8338112 Test testlibrary_tests/ir_framework/tests/TestPrivilegedMode.java fails with release build
P4 JDK-8286865 vmTestbase/vm/mlvm/meth/stress/jni/nativeAndMH/Test.java fails with Out of space in CodeCache

hotspot/gc

Priority Bug Summary
P4 JDK-8364927 Add @requires annotation to TestReclaimStringsLeaksMemory.java
P4 JDK-8370325 G1: Disallow GC for TLAB allocation
P4 JDK-8377678 G1: Heap Dumping crashes with -UseClassUnloading
P4 JDK-8332495 java/util/logging/LoggingDeadlock2.java fails with AssertionError: Some tests failed
P4 JDK-8383601 RISC-V: ShenandoahBarrierSetAssembler::load_reference_barrier calls "weak" on "phantom" path

hotspot/jfr

Priority Bug Summary
P2 JDK-8368670 Deadlock in JFR on event register + class load
P2 JDK-8341427 JFR: Adjust object sampler span handling
P2 JDK-8382242 JFR: Metadata reconstruction invalidates ConstantMap for java.lang.String
P2 JDK-8364190 JFR: RemoteRecordingStream withers don't work

hotspot/jvmti

Priority Bug Summary
P3 JDK-8240908 RetransformClass does not know about MethodParameters attribute
P3 JDK-8281243 Test java/lang/instrument/RetransformWithMethodParametersTest.java is failing
P4 JDK-8277444 Data race between JvmtiClassFileReconstituter::copy_bytecodes and class linking
P4 JDK-8383630 Fix iteration in tests doing class redefinition
P4 JDK-8349192 jvmti/scenarios/contention/TC05/tc05t001 fails: ERROR: tc05t001.cpp, 281: (waitedThreadCpuTime - waitThreadCpuTime) < (EXPECTED_ACCURACY * 1000000)
P4 JDK-8370732 Use WhiteBox.getWhiteBox().fullGC() to provoking gc for nsk/jvmti tests

hotspot/runtime

Priority Bug Summary
P3 JDK-8349988 Change cgroup version detection logic to not depend on /proc/cgroups
P3 JDK-8347811 Container detection code for cgroups v2 should use cgroup.controllers
P3 JDK-8365526 Crash with null Symbol passed to SystemDictionary::resolve_or_null
P3 JDK-8354878 File Leak in CgroupSubsystemFactory::determine_type of cgroupSubsystem_linux.cpp:300
P3 JDK-8380565 PPC64: deoptimization stub should save vector registers
P3 JDK-8372988 Test runtime/Nestmates/membership/TestNestHostErrorWithMultiThread.java failed: Unexpected interrupt
P4 JDK-8383659 [17u] JVM crashes during stub routines generation on Windows and rare combination of CPU features
P4 JDK-8368551 Core dump warning may be confusing
P4 JDK-8374998 Failing os::write - remove bad file
P4 JDK-8374711 Hotspot runtime/CommandLine/OptionsValidation/TestOptionsWithRanges fails without printing the option name
P4 JDK-8374178 Missing include in systemDictionary.cpp after JDK-8365526
P4 JDK-8368885 NMT CommandLine tests can check for error better
P4 JDK-8371503 RETAIN_IMAGE_AFTER_TEST do not work for some tests
P4 JDK-8338883 Show warning when CreateCoredumpOnCrash set, but core dump will not happen

infrastructure

Priority Bug Summary
P4 JDK-8378777 Bump update version for OpenJDK: jdk-17.0.20

infrastructure/build

Priority Bug Summary
P2 JDK-8384158 GHA: Downgrade Windows GHA runners to windows-2022 temporarily
P3 JDK-8339238 Update to use jtreg 7.5.1
P3 JDK-8357141 Update to use jtreg 7.5.2
P4 JDK-8384540 [25u, 21u, 17u] Update GHA JDKs after Apr/26 updates
P4 JDK-8381205 GHA: Upgrade Node.js 20 to 24
P4 JDK-8323672 Suppress unwanted autoconf added flags in CC and CXX

infrastructure/other

Priority Bug Summary
P4 JDK-8380947 Add pull request template

security-libs

Priority Bug Summary
P4 JDK-8349533 Refactor validator tests shell files to java

security-libs/java.security

Priority Bug Summary
P2 JDK-8372351 Add 2 WISeKey roots
P3 JDK-8357062 Update Public Suffix List to 823beb1
P4 JDK-8371383 Test sun/security/tools/jarsigner/DefaultOptions.java failed due to CertificateNotYetValidException
P4 JDK-8360882 Tests throw SkippedException when they should fail
P4 JDK-8373690 Unexpected Keystore message using jdk.crypto.disabledAlgorithms

security-libs/javax.net.ssl

Priority Bug Summary
P4 JDK-8373101 JdkClient and JdkServer test classes ignore namedGroups field
P4 JDK-8359978 Test javax/net/ssl/SSLSocket/Tls13PacketSize.java failed again with java.net.SocketException: An established connection was aborted by the software in your host machine
P4 JDK-8334928 Test sun/security/ssl/SSLSocketImpl/ReuseAddr.java failed: java.net.BindException: Address already in use

security-libs/javax.security

Priority Bug Summary
P2 JDK-8367583 sun/security/util/AlgorithmConstraints/InvalidCryptoDisabledAlgos.java fails after JDK-8244336

security-libs/jdk.security

Priority Bug Summary
P4 JDK-8370942 test/jdk/java/security/Provider/NewInstance.java and /test/jdk/java/security/cert/CertStore/NoLDAP.java may skip without notifying

security-libs/org.ietf.jgss:krb5

Priority Bug Summary
P4 JDK-8374888 Implement internal test cache to help UserIterCount test performance

tools/javac

Priority Bug Summary
P4 JDK-8369851 Remove darcy author tags from langtools tests

tools/javadoc(tool)

Priority Bug Summary
P4 JDK-8338554 Fix inconsistencies in javadoc/doclet/testLinkOption/TestRedirectLinks.java

tools/jpackage

Priority Bug Summary
P4 JDK-8378802 [21u] backport changes to TKit.java by JDK-8352419
P4 JDK-8375080 The tools/jpackage/windows/Win8365790Test.java may fail with ClassNotFoundException: jtreg.SkippedException

tools/jshell

Priority Bug Summary
P4 JDK-8350749 Upgrade JLine to 3.29.0

tools/launcher

Priority Bug Summary
P3 JDK-8373928 4 Dangling pointer defect groups in java.c

xml/jaxp

Priority Bug Summary
P4 JDK-8364315 Remove unused xml files from test/jaxp/javax/xml/jaxp/functional/javax/xml/transform/xmlfiles