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舊電腦想寫Java程式,JDK 32位元版夠用嗎

Java Development Kit (32-bit) 軟體圖示 Java Development Kit (32-bit) 152 (32-bit) 資料更新 2017-10-18 閱讀約 7 分鐘

你手上有一台比較舊的 Windows 電腦,可能是七、八年前的機器,系統還停在 Windows 7 或 Windows 8。最近想開始學寫 Java,或是有個舊專案需要重新編譯,於是上網找開發工具,結果發現 Java 的開發套件有分 32 位元和 64 位元,下載頁面全是英文,一時間不知道該選哪一個。裝錯版本怕跑不動,不裝又沒辦法繼續下一步,就這樣卡在下載頁面半小時。

一般人的直覺是「直接抓最新版、最大的那個檔案就對了」,但舊電腦的作業系統和處理器不一定支援 64 位元,硬裝上去可能連安裝程式都打不開。就算安裝成功,也可能因為記憶體不足或系統不相容而頻頻出錯。這類開發工具套件的切入點,其實是讓你在「寫程式」和「執行程式」之間有一整套工具可以用——編譯、打包、除錯、產生說明文件,而不是只給你一個能跑 Java 的環境。搞清楚自己到底需要「開發」還是只要「執行」,才不會裝了一堆用不到的東西。

01JDK 32位元版到底能拿來做什麼?

它是一整套 Java 開發工具,包含編譯器 javac,可以把寫好的 .java 原始碼編譯成 .class 位元碼;jar 工具負責把多個 class 檔打包成一個 JAR 檔案;javadoc 可以從程式碼註解自動產生 API 說明文件;jdb 是除錯器,讓你可以逐步執行程式、檢查變數值。另外它也內建一個完整的 Java 執行環境(JRE),所以開發完的程式可以直接在本機跑。

02它跟 JRE 有什麼不同?我是不是裝 JRE 就夠了?

JRE 只有 Java 虛擬機(JVM)和執行時需要的類別庫,讓你可以「執行」已經編譯好的 Java 程式,但不能自己寫程式碼再編譯。JDK 除了包含完整的 JRE,還多了編譯器、除錯器、打包工具等開發用的程式。如果你只是要跑別人寫好的 Java 應用程式或遊戲,裝 JRE 就夠;如果你要自己寫程式、編譯、打包,才需要 JDK。

03用這套軟體寫 Java 程式,需要另外裝 IDE 嗎?

不需要,但建議裝。JDK 本身是命令列工具,你可以在記事本寫好程式碼,然後打開命令提示字元,用 javac 編譯、用 java 執行,全部靠打字完成。但這樣寫程式很沒效率,官方說明中也提到,開發者通常會搭配 Eclipse、IntelliJ IDEA 或 NetBeans 這類整合開發環境使用,IDE 提供程式碼編輯器、專案管理、一鍵編譯和除錯介面,會比純命令列順手很多。

04安裝完之後怎麼確認有沒有裝好?

安裝完成後,打開命令提示字元(在 Windows 搜尋列輸入 cmd),輸入 java -version 再按 Enter。如果安裝正確,畫面上會顯示 JDK 的版本資訊;如果出現「無法辨識」或「不是內部或外部指令」的訊息,代表安裝路徑沒有正確設定,或是安裝過程有問題。官方安裝說明也特別提到用這個指令來驗證,這是第一個該做的檢查。

05它能不能編譯其他語言寫的程式?

不行。這套軟體是專門給 Java 用的,編譯器 javac 只接受 Java 原始碼,jar 打包的也是 Java 的類別檔。官方功能說明中提到的工具,包含 javac、jar、javadoc、jdb、jshell,全部都是圍繞 Java 生態系設計的。如果你要寫 C、Python 或 JavaScript,需要另外找對應的編譯器或直譯器,這套軟體幫不上忙。

06我的電腦是 32 位元的 Windows,裝這套軟體跑得動嗎?

這套軟體就是設計給 32 位元系統用的,支援 Windows 7、Windows 8 和 Windows 10,所以只要你的系統是這幾個版本之一,理論上可以安裝。不過官方資料沒有提到最低硬體需求,如果你的電腦記憶體低於 2GB,編譯大型專案時可能會比較慢。建議先安裝,用 java -version 確認能跑,再實際編譯一個小程式測試看看。

07初學者用這套軟體學 Java 會不會太難?

官方說明提到 JDK 適合從初學者到專業開發者各種程度的人使用,因為它提供完整的文件、教學和範例程式碼。但它的操作介面是命令列,沒有圖形化按鈕,對完全沒碰過程式的人來說,第一步會比較辛苦。如果你是完全新手,建議搭配一個 IDE(例如 NetBeans)一起用,IDE 會幫你處理很多指令細節,你只要專注在寫程式邏輯就好。

08只是要執行 Java 遊戲或軟體,需要裝這個嗎?

不需要。JDK 是開發工具,裡面雖然包含執行環境,但體積比較大,安裝也比較複雜。如果你只是要跑別人寫好的 Java 程式,安裝 Java Runtime Environment(JRE)就夠了,它只有虛擬機和執行所需的類別庫,輕量很多。官方資料中 JRE 的使用者評分人數有 3861 人,比 JDK 的 1110 人多,也反映多數人其實只需要執行環境。

09我的電腦是 64 位元,裝 32 位元版會有問題嗎?

官方資料沒有提到 64 位元系統安裝 32 位元版會發生什麼事,這部分需要你自己確認。一般來說,64 位元 Windows 可以執行 32 位元應用程式,但效能上可能不如原生 64 位元版本。如果你的系統是 64 位元,建議先到 Oracle 官方下載頁面看看有沒有提供 64 位元版本,有的話優先選那個,記憶體使用效率會比較好。

10公司要拿來開發商用 Java 專案,用這套軟體授權上要注意什麼?

官方說明明確寫著 JDK 可以免費下載和使用,但「商業使用」必須遵守 Oracle 的授權條款。官方文件也提到,商業使用的授權條款可能比較複雜,甚至可能需要付費。如果你的公司要用在商業產品上,建議直接到 Oracle 官方網站查閱最新的 Oracle Technology Network License Agreement,或諮詢法務人員,不要假設免費下載就等於可以任意商用。

11介面只有英文,看不懂操作選項怎麼辦?

這套軟體的介面語系確實只有英文,官方文件、安裝程式和工具輸出都是英文。不過它的核心工具都是命令列指令,常用的只有 javac、java、jar 這幾個,指令參數不多,上網搜尋都有中文教學。安裝過程也只有幾個下一步按鈕,不太會卡住。如果你連安裝程式的英文都覺得吃力,可以找網路上中文的 JDK 安裝教學,照著步驟點就可以了。

12這套軟體跟 OpenJDK 比起來哪個比較好?

官方資料中沒有提到 OpenJDK,所以無法直接比較。JDK 是 Oracle 發行的版本,OpenJDK 是開源社群維護的版本,兩者功能上很接近,但授權條款不同。如果你在意的是商業使用授權,OpenJDK 的授權通常比較寬鬆;如果你想要 Oracle 官方支援和文件,就選 JDK。建議根據你的用途(個人學習還是商業開發)和授權需求,分別到官方網站查閱條款後再決定。

下載與官方連結

前往官方網站 下載 Java Development Kit (32-bit)

jdk-8u152-windows-i586.exe · 連結指向軟體原廠

版本紀錄

再看 5 筆

看完整版本清單

這一版改了什麼

What's new in this version:

New features:
- security-libs/javax.crypto

New Security property to control crypto policy:
- This release introduces a new feature whereby the JCE jurisdiction policy files used by the JDK can be controlled via a new Security property. In older releases, JCE jurisdiction files had to be downloaded and installed separately to allow unlimited cryptography to be used by the JDK. The download and install steps are no longer necessary. To enable unlimited cryptography, one can use the new crypto.policy Security property. If the new Security property (crypto.policy) is set in the java.security file, or has been set dynamically using the Security.setProperty() call before the JCE framework has been initialized, that setting will be honored. By default, the property will be undefined. If the property is undefined and the legacy JCE jurisdiction files don't exist in the legacy lib/security directory, then the default cryptographic level will remain at 'limited'. To configure the JDK to use unlimited cryptography, set the crypto.policy to a value of 'unlimited'. See the notes in the java.security file shipping with this release for more information.
- Note : On Solaris, it's recommended that you remove the old SVR4 packages before installing the new JDK updates. If an SVR4 based upgrade (without uninstalling the old packages) is being done on a JDK release earlier than 6u131, 7u121, or 8u111, then you should set the new crypto.policy Security property in the java.security file.

Because the old JCE jurisdiction files are left in /lib/security, they may not meet the latest security JAR signing standards, which were refreshed in 6u131, 7u121, 8u111, and later updates. An exception similar to the following might be seen if the old files are used:
- Caused by: java.lang.SecurityException: Jurisdiction policy files are not signed by trusted signers!
- at javax.crypto.JceSecurity.loadPolicies(JceSecurity.java:593)
- at javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecurity.java:524)

Changes:
- hotspot/compiler

BigInteger performance improvements turned on by default:
- The performance improvements described in JDK-8130150 and JDK-8081778 have now been turned on by default.

They can be turned off by using the following command options:
- -XX:-UseMontgomerySquareIntrinsic
- -XX:-UseMontgomeryMultiplyIntrinsic
- -XX:-UseSquareToLenIntrinsic
- -XX:-UseMultiplyToLenIntrinsic

Bug fixes:
- (JBS, component, subcomponent, description)
- JDK-8160893 client‑libs [macosx] JMenuItems in JPopupMenu are not accessible
- JDK-8177315 client‑libs backout changes for 8176516 (backport of 8173791)
- JDK-8039412 client‑libs 2d Stack overflow on Linux using DialogTypeSelection.NATIVE
- JDK-8040635 client‑libs 2d [macosx] Printing a shape filled with a texture doesn't work under Mac OS X
- JDK-8058316 client‑libs 2d lookupDefaultPrintService returns null on Solaris 11 when default printer is set using lpoptions command
- JDK-8061258 client‑libs 2d [macosx] PrinterJob's native Print Dialog does not reflect specified Copies or Page Ranges
- JDK-8067059 client‑libs 2d PrinterJob.pageDialog() with DialogSelectionType.NATIVE returns a PageFormat when cancelled.
- JDK-8074562 client‑libs 2d CID keyed OpenType fonts are not supported by T2K
- JDK-8089573 client‑libs 2d [macosx] Incorrect char to glyph mapping printing on OSX 10.10
- JDK-8158356 client‑libs 2d SIGSEGV when attempting to rotate BufferedImage using AffineTransform by NaN degrees
- JDK-8160664 client‑libs 2d JVM crashed with font manager on Solaris 12
- JDK-8162488 client‑libs 2d JDK should be updated to use LittleCMS 2.8
- JDK-8162796 client‑libs 2d [macosx] LinearGradientPaint and RadialGradientPaint are not printed on OS X.
- JDK-8167102 client‑libs 2d [macosx] PrintRequestAttributeSet breaks page size set using PageFormat
- JDK-8170552 client‑libs 2d [macosx] Wrong rendering of diacritics on macOS
- JDK-8170913 client‑libs 2d Java "1.8.0_112" on Windows 10 displays different characters for EUDCs from ones created in eudcedit.exe.
- JDK-8170950 client‑libs 2d Text is displayed in bold when fonts are installed into symlinked folder
- JDK-8175025 client‑libs 2d The copyright section in the test/java/awt/font/TextLayout/DiacriticsDrawingTest.java should be updated
- JDK-8176530 client‑libs 2d JDK support for JavaFX modal print dialogs
- JDK-4953367 client‑libs java.awt MAWT: Java should be more careful manipulating NLSPATH, XFILESEARCHPATH env variables
- JDK-6980209 client‑libs java.awt Make tracking SecondaryLoop.enter/exit methods easier
- JDK-8035568 client‑libs java.awt [macosx] Cursor management unification
- JDK-8040322 client‑libs java.awt TextArea.replaceRange() and insert() are broken with setText(null)
- JDK-8050478 client‑libs java.awt [macosx] Cursor not updating correctly after closing a modal dialog
- JDK-8075516 client‑libs java.awt Deleting a file from either the open or save java.awt.FileDialog hangs.
- JDK-8139189 client‑libs java.awt VK_OEM_102 dead key detected as VK_UNDEFINED
- JDK-8140525 client‑libs java.awt AwtFrame::WmShowWindow() may steal focus
- JDK-8156116 client‑libs java.awt [macosx] two JNI locals to delete in AWTWindow.m, CGraphicsEnv.m
- JDK-8156723 client‑libs java.awt JVM crash at sun.java2d.windows.GDIBlitLoops.nativeBlit
- JDK-8160570 client‑libs java.awt [macosx] modal dialog can skip the activation/focus events
- JDK-8160623 client‑libs java.awt [PIT] Exception running java/awt/event/KeyEvent/KeyChar/KeyCharTest.java
- JDK-8160696 client‑libs java.awt IllegalArgumentException: adding a component to a container on a different GraphicsDevice
- JDK-8160941 client‑libs java.awt "text/uri‑list" dataflavor concats the first two strings
- JDK-8163583 client‑libs java.awt [macosx] Press "To Back" button on the Dialog,the Dialog moves behind the Frame
- JDK-8165717 client‑libs java.awt [macosx] Various memory leaks in jdk9
- JDK-8169355 client‑libs java.awt Diacritics input works incorrectly on Windows if Spanish (Latin American) keyboard layout is used
- JDK-8173853 client‑libs java.awt IllegalArgumentException in java.awt.image.ReplicateScaleFilter
- JDK-8173876 client‑libs java.awt [macosx] Fast precise scrolling and DeltaAccumulator fix for macOS Sierra 10.12.2
- JDK-8176490 client‑libs java.awt [macosx] Sometimes NSWindow.isZoomed hangs
- JDK-8136570 client‑libs java.awt:i18n Stop changing user environment variables related to /usr/dt
- JDK-8159696 client‑libs java.beans java.beans.MethodRef#get throws NullPointerException
- JDK-8076249 client‑libs javax.accessibility NPE in AccessBridge while editing JList model
- JDK-8076554 client‑libs javax.accessibility [macosx] Custom Swing text components need to allow standard accessibility
- JDK-8145207 client‑libs javax.accessibility [macosx] JList, VO can't access non‑visible list items
- JDK-8165829 client‑libs javax.accessibility Android Studio 2.x crashes with NPE at sun.lwawt.macosx.CAccessibility.getAccessibleIndexInParent
- JDK-8171808 client‑libs javax.accessibility Performance problems in dialogs with large tables when JAB activated
- JDK-8175915 client‑libs javax.accessibility NullPointerException from JComboBox and JList when Accessibility enabled
- JDK-8168751 client‑libs javax.sound Two "Direct Clip" threads are created to play the same "AudioClip" object, what makes clip sound corrupted
- JDK-7172652 client‑libs javax.swing With JDK 1.7 text field does not obtain focus when using mnemonic Alt/Key combin
- JDK-8152981 client‑libs javax.swing Double icons with JMenuItem setHorizontalTextPosition on Win 10
- JDK-8158325 client‑libs javax.swing Memory leak in com.apple.laf.ScreenMenu: removed JMenuItems are still referenced
- JDK-8161664 client‑libs javax.swing Memory leak in com.apple.laf.AquaProgressBarUI: removed progress bar still referenced
- JDK-8177450 client‑libs javax.swing javax.swing.text.html.parser.Parser parseScript ignores a character after comment end
- JDK-8163518 core‑libs java.io Integer overflow in StringBufferInputStream.read() and CharArrayReader.read/skip()
- JDK-8169556 core‑libs java.io Wrap FileInputStream's native skip and available methods
- JDK-8161039 core‑libs java.lang System.getProperty("os.version") returns incorrect version number on Mac
- JDK-8170153 core‑libs java.lang PPC64/s390x/aarch64: Poor StrictMath performance due to non‑optimized compilation
- JDK-8170873 core‑libs java.lang PPC64/aarch64: Poor StrictMath performance due to non‑optimized compilation
- JDK-8172053 core‑libs java.lang (ppc64) Downport of 8170153 breaks build on linux/ppc64 (big endian)
- JDK-8173654 core‑libs java.lang Regression since 8u60: System.getenv doesn't return env var set in JNI code
- JDK-8174729 core‑libs java.lang:reflect Race Condition in java.lang.reflect.WeakCache
- JDK-6947916 core‑libs java.net JarURLConnection does not handle useCaches correctly
- JDK-8022580 core‑libs java.net sun.net.ftp.impl.FtpClient.nameList(String path) handles "null" incorrectly
- JDK-8035158 core‑libs java.net Remove dependency on sun.misc.RegexpPool and friends
- JDK-8035653 core‑libs java.net InetAddress.getLocalHost crash
- JDK-8071424 core‑libs java.net JCK test api/java_net/Socket/descriptions.html#Bind crashes on Windows
- JDK-8075484 core‑libs java.net SocketInputStream.socketRead0 can hang even with soTimeout set
- JDK-8145732 core‑libs java.net Duplicate entry in http.nonProxyHosts will ignore subsequent entries
- JDK-8159410 core‑libs java.net InetAddress.isReachable returns true for non existing IP addresses
- JDK-8166747 core‑libs java.net Add invalid network / computer name cases to isReachable known failure switch
- JDK-8169865 core‑libs java.net Downport minor fixes in java.net native code from JDK 9 to JDK 8
- JDK-8145981 core‑libs java.nio (fs) LinuxWatchService can reports events against wrong directory
- JDK-8153925 core‑libs java.nio (fs) WatchService hangs on GetOverlappedResult and locks directory (win)
- JDK-8165231 core‑libs java.nio java.nio.Bits.unaligned() doesn't return true on ppc
- JDK-8180949 core‑libs java.rmi Correctly handle exception in TCPChannel.createConnection
- JDK-8054214 core‑libs java.time JapaneseEra.getDisplayName doesn't return names if it's an additional era
- JDK-8164366 core‑libs java.time ZoneOffset.ofHoursMinutesSeconds() does not reject invalid input
- JDK-8173423 core‑libs java.time Wrong display name for supplemental Japanese era
- JDK-8177678 core‑libs java.time Overstatement of universality of Era.getDisplayName() implementation
- JDK-8165243 core‑libs java.util Base64.Encoder.wrap(os).write(byte[],int,int) with incorrect arguments should not produce output
- JDK-8166507 core‑libs java.util.concurrent ConcurrentSkipListSet.clear() can leave the Set in an invalid state
- JDK-8179515 core‑libs java.util.concurrent Class java.util.concurrent.ThreadLocalRandom fails to Initialize when using SecurityManager
- JDK-8169056 core‑libs java.util.regex StringIndexOutOfBoundsException in Pattern.compile with CANON_EQ flag
- JDK-8129361 core‑libs java.util:i18n ISO 4217 amendment 160
- JDK-8145952 core‑libs java.util:i18n Currency update needed for ISO 4217 Amendment #161
- JDK-8164784 core‑libs java.util:i18n Currency update needed for ISO 4217 Amendment #162
- JDK-8174736 core‑libs java.util:i18n [JCP] [Mac]Cannot launch JCP on Mac os with language set to "Chinese, Simplified" while region is not China
- JDK-8174779 core‑libs java.util:i18n Locale issues with Mac 10.12
- JDK-8177776 core‑libs java.util:i18n Create an equivalent test case for JDK9's SupplementalJapaneseEraTest
- JDK-8149521 core‑libs javax.naming automatic discovery of LDAP servers with Kerberos authentication
- JDK-8163945 core‑libs jdk.nashorn Honor Number type hint in toPrimitive on Numbers
- JDK-8166902 core‑libs jdk.nashorn Nested object literal property maps not reset in optimistic recompilation
- JDK-8168373 core‑libs jdk.nashorn "Bad local variable type" in ES6 Nashorn when reassigning a `let` within a `try`
- JDK-8170565 core‑libs jdk.nashorn JSObject call() is passed undefined for the argument 'thiz'
- JDK-8170594 core‑libs jdk.nashorn >>>=0 generates invalid bytecode for BaseNode LHS
- JDK-8170977 core‑libs jdk.nashorn SparseArrayData should not grow its underlying dense array data
- JDK-8171219 core‑libs jdk.nashorn Missing checks in sparse array shift() implementation
- JDK-8171849 core‑libs jdk.nashorn Can't unambiguously select between fixed arity signatures [(java.util.Collection), (java.util.Map)]
- JDK-8176511 core‑libs jdk.nashorn JSObject property access is broken for numeric keys outside the int range
-  JDK-8181191 core‑libs jdk.nashorn getUint32 returning Long
-  JDK-8153711 core‑svc debugger [REDO] JDWP: Memory Leak: GlobalRefs never deleted when processing invokeMethod command
-  JDK-8160024 core‑svc debugger jdb returns invalid argument count if first parameter to Arrays.asList is null
-  JDK-8164843 core‑svc tools UsageTracker should limit records and avoid truncation
-  JDK-8169236 core‑svc tools JRE 8u112 attempts to run ICACLS.EXE on startup in Windows 10 Version 1607, build 14393
-  JDK-8173664 core‑svc tools Typo in https://java.net/downloads/heap‑snapshot/hprof‑binary‑format.html
-  JDK-8174806 deploy packager Packager update App Store runtime rules for libjfxwebkit.dylib
-  JDK-8164410 deploy plugin JRE 6u121 causes applet to fail with: Reset deny session certificate store
-  JDK-8022291 deploy webstart Mac OS: Unexpected JavaLaunchHelper message displaying
-  JDK-8161700 deploy webstart Deadlock in Java Web Start application involving JNLPClassLoader
-  JDK-8161986 deploy webstart Selecting 32/64 bit resources failed if user has installed both jre's
-  JDK-8167306 deploy webstart Side effects of using url schema handler.
-  JDK-8038348 hotspot compiler Instance field load is replaced by wrong data Phi
-  JDK-8043913 hotspot compiler remove legacy code in SPARC's VM_Version::platform_features
-  JDK-8134119 hotspot compiler Use new API to get cache line sizes
-  JDK-8134389 hotspot compiler Crash in HotSpot with jvm.dll+0x42b48 ciObjectFactory::create_new_metadata
-  JDK-8134918 hotspot compiler C2: Type speculation produces mismatched unsafe accesses
-  JDK-8140309 hotspot compiler [REDO] failed: no mismatched stores, except on raw memory: StoreB StoreI
-  JDK-8143897 hotspot compiler Weblogic12medrec assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true)) failed: Must be the same
-  JDK-8152172 hotspot compiler PPC64: Support AES intrinsics
-  JDK-8153134 hotspot compiler Infinite loop in handle_wrong_method in jmod
-  JDK-8153267 hotspot compiler nmethod's exception cache not multi‑thread safe
-  JDK-8154945 hotspot compiler Enable 8130150 and 8081778 intrinsics by default
-  JDK-8155781 hotspot compiler C2: opaque unsafe access triggers an assert
-  JDK-8157181 hotspot compiler Compilers accept modification of final fields outside initializer methods
-  JDK-8157306 hotspot compiler Random infrequent null pointer exceptions in javac
-  JDK-8158639 hotspot compiler C2 compilation fails with SIGSEGV
-  JDK-8162101 hotspot compiler C2: Handle "wide" aliases for unsafe accesses
-  JDK-8162384 hotspot compiler Performance regression: bimorphic inlining may be bypassed by type speculation
-  JDK-8162496 hotspot compiler missing precedence edge for anti_dependence
-  JDK-8164002 hotspot compiler Add a new CPU family (S_family) for SPARC S7 and above processors
-  JDK-8164293 hotspot compiler HotSpot leaking memory in long‑running requests
-  JDK-8164508 hotspot compiler unexpected profiling mismatch in c1 generated code
-  JDK-8165482 hotspot compiler java in ldoms, with cpu‑arch=generic has problems
-  JDK-8173373 hotspot compiler C1: NPE is thrown instead of LinkageError when accessing inaccessible field on NULL receiver
-  JDK-8175887 hotspot compiler C1 value numbering handling of Unsafe.get*Volatile is incorrect
-  JDK-8177095 hotspot compiler Range check dependent CastII/ConvI2L is prematurely eliminated
-  JDK-8140584 hotspot gc nmethod::oops_do_marking_epilogue always runs verification code
-  JDK-8153176 hotspot gc Long pause in ParOldGC, because ParallelTaskTerminator peeks wrong TaskQueueSet
-  JDK-8168914 hotspot gc Crash in ClassLoaderData/JNIHandleBlock::oops_do during concurrent marking
-  JDK-8170409 hotspot gc CMS: Crash in CardTableModRefBSForCTRS::process_chunk_boundaries
-  JDK-8175813 hotspot gc PPC64: "mbind: Invalid argument" when ‑XX:+UseNUMA is used
-  JDK-8180048 hotspot gc Interned string and symbol table leak memory during parallel unlinking
-  JDK-8034249 hotspot jvmti need more workarounds for suspend equivalent condition issue
-  JDK-8081219 hotspot jvmti hs_err improvement: Add event logging for class redefinition to the hs_err file
-  JDK-8162795 hotspot jvmti [REDO] MemberNameTable doesn't purge stale entries
-  JDK-8049717 hotspot runtime expose L1_data_cache_line_size for diagnostic/sanity checks
-  JDK-8087342 hotspot runtime Crash in klassItable::initialize_itable_for_interface when running SelectionResolution InvokeInterfaceICCE.java
-  JDK-8162766 hotspot runtime Unsafe_DefineClass0 accesses raw oops while in _thread_in_native
-  JDK-8163969 hotspot runtime Cyclic interface initialization causes JVM crash
-  JDK-8165153 hotspot runtime Crash in rebuild_cpu_to_node_map
-  JDK-8171155 hotspot runtime Scanning method file for initialized final field updates can fail for non‑existent fields
-  JDK-8171194 hotspot runtime Exception "Duplicate field name&signature in class file" should report the name and signature of the field
-  JDK-8177817 hotspot runtime Remove assertions in 8u that were removed by 8056124 in 9.
-  JDK-8166208 hotspot svc FlightRecorderOptions settings for defaultrecording ignored.
-  JDK-8173941 hotspot svc SA does not work if executable is DSO
-  JDK-8161945 install install REGRESSION: 8u91 update of 32 bit JRE removes preferences of the 64 bit JRE
-  JDK-8164096 javafx base ListChangeListener on ReadOnlyListWrapper's getReadOnlyProperty() does not reset change
-  JDK-8139841 javafx controls Axis class does not render ticks marks when tick labels are invisible
-  JDK-8139850 javafx controls CategoryAxis rotates improperly as yAxis
-  JDK-8163486 javafx controls NumberAxis: inaccurate rendering of ticks when tick unit is low
-  JDK-8166847 javafx controls NumberAxis: sticked numbers sometimes
-  JDK-8168895 javafx controls Tick marks position is not animated when toggling forceZeroInRange
-  JDK-8134600 javafx fxml Can't pass ObservableList as argument using FXML
-  JDK-8087565 javafx graphics Scaling problem on OSX Retina
-  JDK-8088205 javafx graphics [Mac] WebView renders icons instead of letters on some sites
-  JDK-8088395 javafx graphics Print dialogs are not blocking/modal w.r.t specified owner windows
-  JDK-8088857 javafx graphics Menu slow to respond after resizing a window multiple times with animation running
-  JDK-8090176 javafx graphics Pisces software renderer shows incomplete border images in particular situation
-  JDK-8148549 javafx graphics Region is not rendered correctly when node cache is enabled
-  JDK-8151744 javafx graphics wrong width/height in texture update
-  JDK-8154148 javafx graphics [Mac] JavaFX crashes on startup when run on Mac in VMWare
-  JDK-8156078 javafx graphics Stage alwaysOnTop property not reset to false if permission is denied
-  JDK-8163526 javafx graphics protect FileChooser return from internal NPE
-  JDK-8169777 javafx graphics MenuBar unoperable after moving Application to second monitor
-  JDK-8173468 javafx graphics Font.loadFont returns null on some Ubuntu 32bits
-  JDK-8174688 javafx graphics JavaFX Applet popup windows are in the wrong location on Mac
-  JDK-8178804 javafx graphics Excessive memory consumption in TriangleMesh/MeshView
-  JDK-8156563 javafx media JavaFX Ensemble8 media sample hang and crash
-  JDK-8159869 javafx media HTTP Live Streaming not working anymore
-  JDK-8091485 javafx samples Ensemble8: Review each sample description, playground, appearance, related docs and links
-  JDK-8134354 javafx samples Ensemble Media samples sliders don't react to clicks
-  JDK-8136918 javafx samples Ensemble uses deprecated flv (vp6) media files hosted on OTN
-  JDK-8136968 javafx samples [Mac] Regression from JDK‑8087709
-  JDK-8142439 javafx samples Ensemble8 media player slider issues
-  JDK-8152858 javafx samples Ensemble Timeline regression
-  JDK-8165373 javafx samples Ensemble8 uses setAccessible to access methods and fields of various classes
-  JDK-8168095 javafx samples Second image in Ensemble8/Image Creation sample does not load
-  JDK-8170421 javafx samples Ensemble8 black flash at startup on b145+
-  JDK-8130675 javafx scenegraph Document that setting scene on stage changes stage size unless explicitly set
-  JDK-8164141 javafx scenegraph [Javadoc] Replace references of Stage with Window in the Window class
-  JDK-8172554 javafx swing [macos] deadlock on JFXPanel startup
-  JDK-8174154 javafx swing NPE in JFXPanel$HostContainer#setEmbeddedStage
-  JDK-8088681 javafx web Underscore not visible in HTML combo box options inside webview
-  JDK-8089915 javafx web Input of type file doesn't honor "accept" attribute.
-  JDK-8090216 javafx web HTMLEditor: font bold doesn't work when an indent is set
-  JDK-8136847 javafx web DRT test fast/canvas/canvas‑fillRect‑shadow.html fails
-  JDK-8144263 javafx web [WebView, OS X] Webkit rendering artifacts with inertia scrolling
-  JDK-8150982 javafx web Crash when calling WebEngine.print on background thread
-  JDK-8158196 javafx web WebView Form Post fails if connection is closed before keepAlive‑Timeout
-  JDK-8162922 javafx web JavaFx WebView canvas doesn't support dash within strokeRec
-  JDK-8164314 javafx web [WebView] Debug build is no longer working after JDK‑8089681
-  JDK-8165098 javafx web WebEngine.print will attempt to print even if the printer job is complete or has an error
-  JDK-8165173 javafx web canvas/philip/tests/2d.path.clip.empty.html fails with 8u112
-  JDK-8166231 javafx web use @Native annotation in web classes
-  JDK-8166677 javafx web HTMLEditor freezes after restoring previously maximized window
-  JDK-8167098 javafx web Backport of JDK‑8158926 to JDK 8u mistakenly used preliminary patch
-  JDK-8167675 javafx web Animated gifs are not working
-  JDK-8168887 javafx web [WebView] ComboBox and DropDownList ‑ Render fragments of the scrollbar are visible
-  JDK-8169204 javafx web Need to document JSObject Call and setSlot APIs to use weak references
-  JDK-8170938 javafx web Memory leak in JavaFX WebView
-  JDK-8172361 javafx web Update java‑wrappers for WebKit generated classes following WebKit update
-  JDK-8172495 javafx web Ignore __cmake_systeminformation from web module build directory
-  JDK-8174919 javafx web SocketException no longer handled by WebView when processing web pages
-  JDK-8144258 javafx window‑toolkit Ensemble Advanced Media sample hangs after going full screen
-  JDK-8160241 javafx window‑toolkit Maximizing an Window with Screen‑Size hides it
-  JDK-8166106 javafx window‑toolkit JVM crash on resizing JavaFX application with title and icon
-  JDK-8172561 javafx window‑toolkit Copying String with "rn" to Clipboard duplicates "r"
-  JDK-8155211 security‑libs java.security Ucrypto Library leaks native memory
-  JDK-8163896 security‑libs java.security Finalizing one key of a KeyPair invalidates the other key
-  JDK-8164846 security‑libs java.security CertificateException missing cause of underlying exception
-  JDK-8176536 security‑libs java.security Improved algorithm constraints checking
-  JDK-8157561 security‑libs javax.crypto Ship the unlimited policy files in JDK Updates
-  JDK-8165751 security‑libs javax.crypto NPE hit with java.security.debug=provider
-  JDK-8173581 security‑libs javax.crypto performance regression in com/sun/crypto/provider/OutputFeedback.java
-  JDK-8169229 security‑libs javax.net.ssl RSAClientKeyExchange debug info is incorrect
-  JDK-8181205 security‑libs javax.net.ssl JRE fails to load/register security providers when started from UNC pathname
-  JDK-8147772 security‑libs javax.security Update KerberosTicket to describe behavior if it has been destroyed and fix NullPointerExceptions
-  JDK-8163104 security‑libs javax.security Unexpected NPE still possible on some Kerberos ticket calls
-  JDK-8153438 security‑libs javax.smartcardio Avoid repeated "Please insert a smart card" popup windows
-  JDK-8170278 security‑libs org.ietf.jgss:krb5 ticket renewal won't happen with debugging turned on
-  JDK-8176329 tools jdeps to detect MR jar file and output a warning
-  JDK-8180660 tools javac missing LNT entry for finally block
-  JDK-8028363 xml XmlGregorianCalendarImpl.getTimeZone() bug when offset is less than 10 minutes
-  JDK-8169112 xml javax.xml.transform java.lang.VerifyError: (class: GregorSamsa, method: template$dot$0$outline$1 signature: (LGregorSamsa$48;)V) Register 10 contains wrong type
-  JDK-8146086 xml jax‑ws Publishing two webservices on same port fails with "java.net.BindException: Address already in use"
-  JDK-8172297 xml jax‑ws In java 8, the marshalling with JAX‑WS does not escape carriage return
-  JDK-8162598 xml jaxp XSLTC transformer swallows empty namespace declaration which is needed to undeclare default namespace
-  JDK-8146961 xml org.w3c.dom Fix PermGen memory leaks caused by static final Exceptions