如何下载JDK 1.8.0_191 [英] How To Download JDK 1.8.0_191
问题描述
我正在尝试使用 PDFBox 中的 PDFRenderer ，并且工作正常，但是它给了我一个警告:
I'm trying to use PDFRenderer from PDFBox and works fine but it gives me a warning saying:
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: Your current java version is: 1.8.0_171
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: To get higher rendering speed on old java 1.8 or 9 versions,
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: update to the latest 1.8 or 9 version (>= 1.8.0_191 or >= 9.0.4),
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: or
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: use the option -Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider
Aug 31, 2019 11:46:48 PM org.apache.pdfbox.rendering.PDFRenderer suggestKCMS
INFO: or call System.setProperty("sun.java2d.cmm", "sun.java2d.cmm.kcms.KcmsServiceProvider")
据我所知，这意味着我必须更新到JDK 1.8.0_191或更高版本才能获得最佳的使用体验.
which from what i understand it means i have to update to JDK 1.8.0_191 or higher to get the best experience out of the object.
我的问题是，如何获得1.8.0_191或更高版本的JDK或任何其他解决方案来实施，这样我就不会收到此警告，并且 PDFRenderer 可以更快地工作.
my problem here is that how can I get the 1.8.0_191 or higher version of the JDK or any other solutions to implement, so that I won't get this warning and the PDFRenderer works faster.
推荐答案
管理权
请注意，Oracle停止了免费提供 Java 8 .请参见 Oracle Java SE支持路线图 .
Stewardship
Be aware that Oracle stopped providing free-of-cost security updates to Java 8. See Oracle Java SE Support Roadmap.
Red Hat (IBM) has taken stewardship of the OpenJDK 8 & OpenJDK 11 LTS releases.
此处可用.请务必阅读许可条款，并了解其打算进行进一步更新的意图.
Oracle JDK 8 Update 221 is available here. Be sure to read the terms of the license, and be aware of their intention towards further updates.
可从多家供应商处获得基于 OpenJDK 的开源发行版.
The open-source distributions based on OpenJDK are available from various vendors.
首先想到的是 AdoptOpenJDK.net ，目前为Java 8提供了Update 282.
The first that comes to mind is AdoptOpenJDK.net, providing Java 8 with Update 282 currently.
Amazon提供了 OpenJDK 8 在其 Corretto 产品中.如果您部署到 AWS ，则特别合适.
Amazon provides OpenJDK 8 in their Corretto offering. Especially suitable if you deploy to AWS.
Azul Systems的Zulu 还提供了
Zulu by Azul Systems also provides OpenJDK 8, certified as Java. They offer optional support plans as well.
请参阅我为采购Java 11而制作的漂亮的图.其中一些相同的供应商还提供Java 8，以及没有付费支持.
See the nifty diagram I made for sourcing Java 11. Some of those same vendors also provide Java 8, with and without paid support.
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