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Installing and enabling Java: Difference between revisions

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This page explains how to install [[Java]], and how to enable it in various web browsers. Using Java with Proteopedia or with [[FirstGlance in Jmol]] will improve performance significantly. Once you have Java working, you can make it the default in Proteopedia (see [[Using Java for Rendering Structures]]) or in [[FirstGlance in Jmol]] (with its ''Preferences'').  
<span style="font-size:130%;"><b>Quick Start</b></span>
* Windows: Use Internet Explorer. Detailed instructions are [[#Internet Explorer in Windows|below]].
* macOS: Use the [https://www.waterfox.net/ Waterfox Classic] browser (not Waterfox Current). In July, 2020, this is the only macOS (11.12 Sierra or later) browser that runs both Proteopedia and [[FirstGlance in Jmol]] with Java. Permission dialogs for using Java are straightforward.
 
To instruct Proteopedia to use Java, add <b>?use=java</b> to the end of the URL in the browser's address line. [[Using_Java_for_Rendering_Structures|Details]].
 
To instruct FirstGlance to use Java, add <b>&java</b> to the end of the URL in the browser's address line.
 
----
Below is explained how to install [[Java]], and how to enable it in various web browsers. Using Java with Proteopedia or with [[FirstGlance in Jmol]] will improve performance significantly. Once you have Java working, you can make it the default in Proteopedia (see [[Using Java for Rendering Structures]]).  


<div style="background:#ffe0e0; width:90%; margin-left:5%; padding:10px">
<div style="background:#ffe0e0; width:90%; margin-left:5%; padding:10px">
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</div>
</div>


We believe this page is up to date for '''December, 2018''' (Java 1.8.0_191, [https://www.java.com/en/download/faq/release_dates.xml Java Release Dates]). If you suspect any issues, please email [[Image:Contact-email.png]].
We believe this page is up to date for '''July, 2020''' (Java 1.8.0_251, [https://www.java.com/en/download/faq/release_dates.xml Java Release Dates]). If you suspect any issues, please email [[Image:Contact-email.png]].


==Java Applets do not work in Chrome, Firefox, Edge, or Opera==
==Java Applets do not work in Chrome, Firefox, Edge, or Opera==
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'''Internet Explorer''' supports Java as of November, 2017. See below for details for each of these browsers. '''Safari''' versions through 11 support Java (through OS 10.11 El Capitan), but [https://www.java.com/en/download/faq/safari.xml Safari 12 and later do not support Java] (OS 10.12 Sierra and later). ([https://en.wikipedia.org/wiki/Safari_version_history Safari Version History]).
'''Internet Explorer''' supports Java as of November, 2017. See below for details for each of these browsers.
 
'''Safari''' versions through 11 support Java (through OS 10.11 El Capitan), but [https://www.java.com/en/download/faq/safari.xml Safari 12 and later do not support Java] (OS 10.12 Sierra and later). ([https://en.wikipedia.org/wiki/Safari_version_history Safari Version History]).




'''[http://palemoon.org Pale Moon]''' (''Windows only'') is an independent browser, [https://en.wikipedia.org/wiki/Pale_Moon_(web_browser) very similar to Firefox], whose developer [http://forum.palemoon.org/viewtopic.php?t=9805 has announced] <u>indefinite support for NPAPI plugins (including Java)</u>, and hence is an alternative to continue running Jmol applets inside web pages, at least while Oracle continues to provide the Java Plug-in.
'''[http://palemoon.org Pale Moon]''' (''Windows only'') is an independent browser, [https://en.wikipedia.org/wiki/Pale_Moon_(web_browser) very similar to Firefox], whose developer [http://forum.palemoon.org/viewtopic.php?t=9805 has announced] <u>indefinite support for NPAPI plugins (including Java)</u>, and hence is an alternative to continue running Jmol applets inside web pages, at least while Oracle continues to provide the Java Plug-in.


'''[https://www.waterfoxproject.org/ Waterfox]''' (available for Windows and OS X) is very similar to Firefox and supports Java (as of March, 2018, our most recent test). Waterfox is ''available only for 64-bit operating systems''. It is harmless to download it and try it -- if you have a 32 bit operating system, it won't run.
'''[https://www.waterfoxproject.org/ Waterfox Classic]''' (available for Windows and OS X) is very similar to Firefox and supports Java (as of July, 2020, our most recent test). Waterfox is the best solution for macOS.
Older versions of Waterfox share bookmarks and preferences with Firefox, and both cannot be run at the same time (on OSX --and Windows?). More recent versions (2018) can import the Firefox settings (although some settings are reset) and use their own profile folder, so Waterfox and Firefox can be run now at the same time.
 
Waterfox support for NPAPI plugins will presumably end eventually, when the NPAPI code is removed also from the Firefox Extended Support Release (Firefox ESR). The Waterfox maintainers plan to develop a completely new browser with NPAPI plugin support. But even if they can realize it, it will presumably take quite some time until it will be usable.
*Waterfox Classic is ''available only for 64-bit operating systems''. It is harmless to download it and try it -- if you have a 32 bit operating system, it won't run. All recent macOS operating systems are 64 bit. Many Windows installations are 32 bit.
<!--
*Waterfox Classic support for NPAPI plugins will presumably end eventually, when the NPAPI code is removed also from the Firefox Extended Support Release (Firefox ESR). The Waterfox maintainers plan to develop a completely new browser with NPAPI plugin support. But even if they can realize it, it will presumably take quite some time until it will be usable. -->
 
'''[http://www.seamonkey-project.org/releases/ SeaMonkey]''' (available for Windows and OS X) is a [https://en.wikipedia.org/wiki/SeaMonkey Mozilla-based browser] that supports Java, at least up to version 2.49.4 current in January, 2019 through July, 2020.
*'''SeaMonkey support for Java has been removed in version 2.53.1'''.<ref>SeaMonkey: NPAPI plugin support. https://www.seamonkey-project.org/doc/npapi (visited 11 June 2021)</ref>
*<font color="red">Seamonkey version 2.49.4 does not run FirstGlance in Jmol. Since all other browsers do, this is probably due to a bug in the javascript of Seamonkey.</font>


'''[http://www.seamonkey-project.org/releases/ SeaMonkey]''' (available for Windows and OS X) is a [https://en.wikipedia.org/wiki/SeaMonkey Mozilla-based browser] that supports Java, at least up to version 2.49.1 released November, 2017. It is unclear whether SeaMonkey will follow Firefox in removing support for Java.
<!-- Windows 5.1.3.2000 does not work with FG Jmol.  
<!-- Windows 5.1.3.2000 does not work with FG Jmol.
'''Maxthon''' is a browser developed in China. The Windows version 5.0.4.3000 (current through at least November, 2017) supports Java, but concerns have been expressed about data that this browser sends back to China (see [http://www.securityweek.com/maxthon-browser-sends-sensitive-data-china Security Week, July 2016] and [http://www.techrepublic.com/article/maxthon-browser-is-a-wolf-in-sheeps-clothing/ Tech Republic, July 2016] among others). The OS X version 5.0.20 does not support Java.-->
'''Maxthon''' is a browser developed in China. The Windows version 5.0.4.3000 (current through at least November, 2017) supports Java, but concerns have been expressed about data that this browser sends back to China (see [http://www.securityweek.com/maxthon-browser-sends-sensitive-data-china Security Week, July 2016] and [http://www.techrepublic.com/article/maxthon-browser-is-a-wolf-in-sheeps-clothing/ Tech Republic, July 2016] among others). The OS X version 5.0.20 does not support Java.-->


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For Proteopedia and FirstGlance in Jmol, Java operates within a web browser (as a "Java applet"). Make sure your web browser is up to date with the latest version.
For Proteopedia and FirstGlance in Jmol, Java operates within a web browser (as a "Java applet"). Make sure your web browser is up to date with the latest version.
* Internet Explorer (Windows): Start, Control Panel, Windows Update (may be under System and Security).
* Internet Explorer (Windows): Start, Control Panel, Windows Update (may be under System and Security).
<!--* Chrome (Windows or OS X): Click on the 3-bar icon at the upper right corner of the browser window, then on ''About Google Chrome''. ''About Chrome'' checks for updates automatically.-->
* Safari (OS X): Java is [https://www.java.com/en/download/faq/safari.xml not supported in macOS versions later than El Capitan (10.11)]. If you have El Capitan or earlier: System Preferences, App Store. Click on the ''Check Now'' button. Install any available update for Safari or OS X.
* Firefox (Windows): Click on the ''Firefox'' menu at the upper left (or the ''Help'' menu), then ''Help'', then ''About Firefox'', which checks for updates automatically.
* Firefox (OS X): Click on ''Firefox'' in the menubar (top left of screen), then ''About Firefox'', which checks for updates automatically.
* Safari (OS X): System Preferences, App Store. Click on the ''Check Now'' button. Install any available update for Safari or OS X.


==Install or Update Java==
==Install or Update Java==
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====Safari 11 in OS X====
====Safari 11 in OS X====
Mac OS 10.13 High Sierra (and perhaps some earlier versions) use Safari 11. We do not have an OS 10.13 test system, but it appears that Java can be enabled in Safari 11 following [https://discussions.apple.com/thread/8361245 these instructions].
Mac OS 10.11 El Capitan uses Safari 11. We do not have an OS 10.11 test system, but it appears that Java can be enabled in Safari 11 following [https://discussions.apple.com/thread/8361245 these instructions].


{{Clear}}
{{Clear}}
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* [[Java]] which also discusses security.
* [[Java]] which also discusses security.
* [[Using Java for Rendering Structures]] in Proteopedia.
* [[Using Java for Rendering Structures]] in Proteopedia.
* [https://blokt.com/guides/best-secure-browsers-for-private-browsing The Best Secure Browsers for Private Browsing in 2019]: Chrome gathers as much information about you as it can to send back to Google for marketing purposes. Firefox is not the product of a for-profit corporation, and does not gather such information. This article tells how to maximize your privacy while using Firefox.

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Eric Martz, Angel Herraez, Joel L. Sussman
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