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Java does not Appear in Plugins List

  • 7 yanıt
  • 9 kişi bu sorunu yaşıyor
  • 48 gösterim
  • Son yanıtı yazan: kidtrebor

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Firefox 23.0.1 Windows Vista 32-bit running Java 6 update 14 Windows 7 32-bit running Java 6 update 20

In the plugins tab of Firefox I cannot see Java; Java contents in webpages do not load. Here's what I've tried/checked so far:

plugin.scan.plid.all is "true" dom.ipc.plugins.java.enabled is "true" Recreated the "pluginreg.dat" file in Firefox profile folder Confirmed that HKLM\software\mozillaplugins does not contain any key referencing Java Confirmed that "C:\Program Files\Mozilla Firefox\plugins" does not exist

Java content loaded through IE 7/8 is fine.

Since this is a corporate deployment, applications are versioned for a reason and can't be changed.

I'm hoping that someone will be able to assist here, many thanks in advance!

Firefox 23.0.1 Windows Vista 32-bit running Java 6 update 14 Windows 7 32-bit running Java 6 update 20 In the plugins tab of Firefox I cannot see Java; Java contents in webpages do not load. Here's what I've tried/checked so far: plugin.scan.plid.all is "true" dom.ipc.plugins.java.enabled is "true" Recreated the "pluginreg.dat" file in Firefox profile folder Confirmed that HKLM\software\mozillaplugins does not contain any key referencing Java Confirmed that "C:\Program Files\Mozilla Firefox\plugins" does not exist Java content loaded through IE 7/8 is fine. Since this is a corporate deployment, applications are versioned for a reason and can't be changed. I'm hoping that someone will be able to assist here, many thanks in advance!

kidtrebor tarafından tarihinde düzenlendi

Seçilen çözüm

Hi cor-el and AliceWyman,

Thanks both for your help; actually I seem to have fixed the issue by manually creating the missing registry key, which was a bit of a chore but got there in the end. :)

Bu yanıtı konu içinde okuyun 👍 0

Tüm Yanıtlar (7)

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Could you use FIrefox (you must had asked this question using chrome) to post troubleshooting information.

Please do the following:

  • Click the Firefox button at the top left, then click the Help menu and select Troubleshooting Information from the submenu. If you don't have a Firefox button, click the Help menu at the top and select Troubleshooting Information from the menu.

Now, a new tab containing your troubleshooting information should open.

  • At the top of the page, you should see a button that says "Copy text to clipboard". Click it.
  • Now, go back to your forum post and click inside the reply box. Press Ctrl+V to paste all the information you copied into the forum post.

If you need further information about the Troubleshooting information page, please read the article Use the Troubleshooting Information page to help fix Firefox issues.

You can see all the info you are pasting and none of it is private.

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Application Basics

       Name
       Firefox
       Version
       23.0.1
       User Agent
       Mozilla/5.0 (Windows NT 6.1; rv:23.0) Gecko/20100101 Firefox/23.0
       Build Configuration
         about:buildconfig
 Extensions
       Name
       Version
       Enabled
       ID
       Steelhead Mobile Certificate Manager
       2.2
       false
       SteelheadMobileCertificateManager@riverbed.com
       Symantec Intrusion Prevention
       12.0.4.5 - 1
       false
       {BBDA0591-3099-440a-AA10-41764D9DB4DB}
 Important Modified Preferences
     Name
     Value
       accessibility.typeaheadfind.flashBar
       0
       browser.cache.disk.capacity
       358400
       browser.cache.disk.smart_size.first_run
       false
       browser.cache.disk.smart_size.use_old_max
       false
       browser.cache.disk.smart_size_cached_value
       358400
       browser.places.smartBookmarksVersion
       4
       browser.privatebrowsing.autostart
       false
       browser.sessionstore.upgradeBackup.latestBuildID
       20131025151332
       browser.startup.homepage_override.buildID
       20131025151332
       browser.startup.homepage_override.mstone
       ignore
       browser.tabs.loadInBackground
       true
       browser.tabs.warnOnClose
       true
       browser.urlbar.autocomplete.enabled
       true
       dom.ipc.plugins.java.enabled
       true
       dom.mozApps.used
       true
       extensions.lastAppVersion
       23.0.1
       font.default.eng
       font.internaluseonly.changed
       false
       gfx.direct3d.last_used_feature_level_idx
       0
       network.cookie.prefsMigrated
       true
       places.database.lastMaintenance
       1386929641
       places.history.expiration.transient_current_max_pages
       91147
       plugin.importedState
       true
       plugin.state.flash
       2
       privacy.sanitize.migrateFx3Prefs
       true
       storage.vacuum.last.index
       1
       storage.vacuum.last.places.sqlite
       1384440867
 Graphics
       Adapter Description
       RDPDD Chained DD
       Adapter Description (GPU #2)
       Intel(R) HD Graphics
       Adapter Drivers
       RDPDD
       Adapter Drivers (GPU #2)
       igdumd32 igd10umd32 igd10umd32
       Adapter RAM
       Unknown
       Adapter RAM (GPU #2)
       Unknown
       Device ID
       0x0000
       Device ID (GPU #2)
       0x0152
       Direct2D Enabled
       Blocked for your graphics card because of unresolved driver issues.
       DirectWrite Enabled
       false (6.2.9200.16492)
       Driver Date (GPU #2)
       3-19-2012
       Driver Version (GPU #2)
       8.15.10.2696
       GPU #2 Active
       false
       GPU Accelerated Windows
       0/1 Basic Blocked for your graphics card because of unresolved driver issues.
       Vendor ID
       0x0000
       Vendor ID (GPU #2)
       0x8086
       WebGL Renderer
       Blocked for your graphics card because of unresolved driver issues.
       AzureCanvasBackend
       skia
       AzureContentBackend
       none
       AzureFallbackCanvasBackend
       cairo
 JavaScript
       Incremental GC
       true
 Accessibility
       Activated
       false
       Prevent Accessibility
       0
 Library Versions
       Expected minimum version
       Version in use
       NSPR
       4.10
       4.10
       NSS
       3.15 Basic ECC
       3.15 Basic ECC
       NSSSMIME
       3.15 Basic ECC
       3.15 Basic ECC
       NSSSSL
       3.15 Basic ECC
       3.15 Basic ECC
       NSSUTIL
       3.15
       3.15

As requested!

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See the article Use the Java plugin to view interactive content on websites and make sure you update Java to the latest version. Look under the Installing or updating Java section of the article for help with that.

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Hi Alice,

"Installing or updating Java" As mentioned in first post, app versions are set for a reason and can't be changed.

"Testing Java" Plugin does not appear in list of available plugins.

"Enabling Java" It's enabled; IE and Chrome have no difficulty detecting and loading Java.

"Troubleshooting" "Uninstall JavaFX if installed" Java 7u10 not used. "Remove outdated Java plugin files from the Firefox plugins folder" Java plugin not detected by Firefox "Other software that may block Java" Works fine with other browsers

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If the HKLM\software\mozillaplugins registry key doesn't have a key for the Java plugin then Firefox won't be able to find the Java plugin.

Try to uninstall Java with the JavaRa program and reinstall the 32 bit Java version.

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http://kb.mozillazine.org/Java#Enabling_Java under If the Java plugin does not appear in the Add-ons Manager even though Java is installed section, suggests deleting the pluginreg.dat file and resetting the preference plugin.scan.plid.all in about:config ... but it looks like you already tried that.

The only other thing I can think of is the fact that your Java 6 update 14 and Java 6 update 20 versions have been blocklisted - see https://addons.mozilla.org/en-US/firefox/blocked/p80 ... which links to:

  • Bug 739955 - [Windows] Blocklist vulnerable jre versions pre update 31 due to security issue

I thought that they'd still show up in the Firefox Add-ons list of installed plugins, though. You could look throught the bug report to see if anything there is helpful.

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Seçilen çözüm

Hi cor-el and AliceWyman,

Thanks both for your help; actually I seem to have fixed the issue by manually creating the missing registry key, which was a bit of a chore but got there in the end. :)