How to enable Java webstart without an "installation"


The following is my procedure for JDK 1.4.2_08, if you use different JDK version or directory,
please remember to modify registry file.

  1. Copy JDK from another machine to D:\Java\JDK (jre should be enough but I only test JDK)
  2. Import the registry
  3. Associate *.jnlp to D:\Java\JDK\jre\javaws\javaws.exe
  4. It's ok.
  5. WebStart will put programs in the local directory: D:\Documents and Settings\**\Application Data\Sun\Java\Deployment\javaws\cache\http\Dbosnlab1c

Registry:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft]

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Development Kit]
"CurrentVersion"="1.4"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Development Kit\1.4]
"JavaHome"="D:\\Java\\JDK"
"MicroVersion"="2"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Development Kit\1.4.2_08]
"JavaHome"="D:\\Java\\JDK"
"MicroVersion"="2"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Plug-in]

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Plug-in\1.4.2_08]
"JavaHome"="C:\\Program Files\\Java\\j2re1.4.2_08"
"UseJava2IExplorer"=dword:00000001
"HideSystemTrayIcon"=dword:00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment]
"CurrentVersion"="1.4"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4]
"JavaHome"="D:\\Java\\JDK\\jre"
"RuntimeLib"="D:\\Java\\JDK\\jre\\bin\\client\\jvm.dll"
"MicroVersion"="2"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4.2_08]
"JavaHome"="D:\\Java\\JDK\\jre"
"MicroVersion"="2"
"RuntimeLib"="D:\\Java\\JDK\\jre\\bin\\client\\jvm.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Update]

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Update\Policy]
"EnableJavaUpdate"=dword:00000001
"EnableAutoUpdateCheck"=dword:00000001
"NotifyDownload"=dword:00000001
"NotifyInstall"=dword:00000001
"Frequency"=dword:01060000
"UpdateSchedule"=dword:0000000b
"LastUpdateBeginTime"="Sat, 23 Jul 2005 23:13:22 GMT"
"LastUpdateFinishTime"="Sat, 23 Jul 2005 23:14:39 GMT"
"TransferJobID"="{00000000-0000-0000-0000-000000000000}"
"InstallOptions"=" "
"UpdateDescription"="沒有產品資訊。
----------------------------------------
J2SE Runtime Environment 5.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start]
"CurrentVersion"="1.4.2_08"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.0.1]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.0.1_02]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.0.1_03]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.0.1_04]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.2]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.2.0_01]
"Home"="D:\\Java\\JDK\\jre\\javaws"

[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Web Start\1.4.2_08]
"Home"="D:\\Java\\JDK\\jre\\javaws"


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