Plugin finder service never ends searching for Java plugin

Seems like bug #11477 still is not fixed.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: firefox 20.0+build1-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: marius 2323 F.... pulseaudio
BuildID: 20130417085609
CRDA:
 country NO:
  (2402 - 2482 @ 40), (N/A, 20)
  (5170 - 5250 @ 40), (N/A, 20)
  (5250 - 5330 @ 40), (N/A, 20), DFS
  (5490 - 5710 @ 40), (N/A, 27), DFS
Channel: Unavailable
Date: Sat May 4 22:51:29 2013
EcryptfsInUse: Yes
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2013-05-02 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
IpRoute:
 default via 10.0.0.138 dev wlan0 proto static
 10.0.0.0/24 dev wlan0 proto kernel scope link src 10.0.0.75 metric 9
 169.254.0.0/16 dev wlan0 scope link metric 1000
MarkForUpload: True
MostRecentCrashID: bp-f78d6d72-73a4-4d55-883b-179ba2120908
PrefSources:
 prefs.js
 [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js
Profiles: Profile0 (Default) - LastVersion=20.0/20130417085609 (In use)
RelatedPackageVersions:
 totem-mozilla 3.6.3-0ubuntu6
 rhythmbox-mozilla 2.98-0ubuntu5
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs:
 bp-f78d6d72-73a4-4d55-883b-179ba2120908
 bp-8d148502-c4d0-40ac-8350-8e37e2120529
 bp-b7ef9431-9419-4f30-b401-9e2752120529
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/10/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GCET93WW (2.53 )
dmi.board.asset.tag: Not Available
dmi.board.name: 34382BG
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGCET93WW(2.53):bd04/10/2013:svnLENOVO:pn34382BG:pvrThinkPadX230Tablet:rvnLENOVO:rn34382BG:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 34382BG
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO