[raztoki]

JD2 new update service is currently rolling out to the user base.

If you are weary user, please take the chance to backup your JD2 installation (the install folder).

If you've disabled auto updates please, initiate a manually update.

If you have any problems please indicate so within this thread.

Thankyou

KNOWN PROBLEMS
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original post message within

Spoiler:

Until future notice no updates can be pushed into JD2!

Reason:
Updates are not possible at this given time, as we are in the process of migrating to a revised update system. This will take a little more time before it's integrate into the -end user- JD2 Beta release.

Resolution:
JDownloader 0.9.581 and/or JDownloader -NIGHTLY- at this point in time have more current plugins.
Alternatively you can run JDownloader 2 SVN from within a IDE. Instructions/Guide for Eclipse (note: *.dlc features will not work)

[djmakinera]

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: jd/Main
	at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:552)
	at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:427)
	at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:239)
	at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
Caused by: java.lang.NoClassDefFoundError: jd/Main
	at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:544)
	... 3 more
Caused by: java.lang.ClassNotFoundException: jd.Main
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 4 more

java.lang.ClassNotFoundException: jd.Main
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
	at com.exe4j.runtime.WinLauncher.main(Unknown Source)
	at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)

[coalado]

GIve me a few minutes

Hello.

The same, before I download the update package and try to start JD apear this message:

java.lang.ClassNotFoundException: jd.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)

Sorry for my bad English

I will report it in Spanish board for avoid a lot of posts.

Goodbye and health

[coalado]

Solve the jd.Main Problem:


Start JDownloader Update from the Windows Startmenu:




Or run Updater.jar or JDownloader Updater.exe in your JD Installation Directory



That's it

Originally Posted by coalado

Solve the jd.Main Problem:


Start JDownloader Update from the Windows Startmenu:




Or run Updater.jar or JDownloader Updater.exe in your JD Installation Directory



That's it

i have a major issue as I now actually have non of these (above images) and im quite concerned, i recently switched from the stable 0.9 etc and moved to jd2 a few days ago (for faster host update reasons) i downloaded the offline installer, and it did automatically update, however i have no
"jdownloader update " in the start menu,
no updater.jar or updater.jar or update.exe nothing like this in my jd directory??

im concerned because i can not do a manual update anymore!!

why is this?

regards

hello
i not understand
same problem

java.lang.ClassNotFoundException: jd.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)

[Lram32]

I opened JD, and I did manually update and all worked fine. I don't get the problem java.lang

kindest Regards,

[coalado]

This has been a Launcher Problem - Not all installations were affected

Hi.
An error has occurred after last update

Now when i try to start jd i get this error:

Can't Find main class "jd.Main"

I have Vista

I'm sorry.

Solved with updated.jar

sorry for bad english :(

now i have make this:
Updater.jar (Update OK 100 %)

but Jdownloader 2 dont start (without error message)

Same/Similar problem here:

The new update service worked fine. I then closed JD, restarted my computer and since then, I can't get JD to work again.

jdownloader2.exe won't do anything.

jdownloader updater.exe will open the update, tell me that I have the newest version and then close when I click on "start jd".
The same applies to "updater.jar".

[coalado]

Please join our chat! I'd like to check these issues with teamviewer

I'm having the same issues too... unable to upload a log due to being at work and upload site access denied to me here.

[wa1975]

Habe heute ein Update gemacht. Danach hatte ich Probleme bei Downloaden von den ARD und ZDF Mediatheken. Daraufhin habe ich noch ein Update gemacht und jetzt startet JD2 überhaupt nicht mehr.

Same issue here. After update it won't start.

[raztoki]

PLEASE JOIN our live support channel http://jdownloader.org/knowledge/chat

And ask for coalado, RE: JD2 update && teamviewer session

[dosukoi]

Hello, I met a trouble on JD2Beta after update.
Please Help.

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:552)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:427)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:239)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
at jd.Main.main(Main.java:8)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:544)
... 11 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

[igordi]

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

worked fine for me. thanks!

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

Thanks,
I couldn't find the "updater.exe" so I started the "updater.jar" and jdownloader started after updating again. Didn't have to rename the "cfg" folder or anything.
Before I had the same problem as Dosukoi.

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

Thanks, it worked !

JDownloader doesn't start despite several new installs and/or deletion of cfg folder:

Log:

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:602)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:465)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:267)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:583)
... 3 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 4 more

[Kuzutetsu]

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

doesn't work for me :(

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

THIS!!
it worked perfect for me


but the hoster premium4.me isnt supported anymore now :D whats that? i used it with jd2 before the crash....

Originally Posted by hacker676

I think I have a solution.

- run "Updater.exe" (so there is no available update)
- JD trys tu start with error
- rename folder "cfg" into "cfg-backup"
- run "JDownloader.exe" and wait while installing
- close JD
- delete new folder "cfg"
- rename "cfg-backup" back into "cfg"
- run "JDownloader.exe"

I tested 2 time and it works fine for me.

I try this and no work for me x.x

i have this errors...

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
	at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:602)
	at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:465)
	at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:267)
	at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
	at jd.Main.main(Main.java:8)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
	at com.exe4j.runtime.WinLauncher.main(Unknown Source)
	at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
	at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:583)
	... 11 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 12 more

[woswasi]

sorry, found this thread to late. as mentioned in my other post:

DLC files won't load anymore

Hi together,

i have since the last update following Problem and Jdownloader don't start.

Here is the discrption:

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:552)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:427)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:239)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
at jd.Main.main(Main.java:8)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:544)
... 11 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more


I 've Windows 8 64 bit

Can someone help?

greetings

lilli

Hi,

after a new update JD run's now!

Thank you

lilli

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:552)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:427)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:239)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:544)
... 3 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 4 more

I have the same problem, updating with "update.jar" doesnt help

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/codehaus/jackson/JsonFactory
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:602)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:465)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:267)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
Caused by: java.lang.NoClassDefFoundError: org/codehaus/jackson/JsonFactory
at org.jdownloader.startup.Main.main(Main.java:190)
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:583)
... 3 more
Caused by: java.lang.ClassNotFoundException: org.codehaus.jackson.JsonFactory
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 5 more

Originally Posted by Hoagie

I have the same problem, updating with "update.jar" doesnt help

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/codehaus/jackson/JsonFactory
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:602)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:465)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:267)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:19)
Caused by: java.lang.NoClassDefFoundError: org/codehaus/jackson/JsonFactory
at org.jdownloader.startup.Main.main(Main.java:190)
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:583)
... 3 more
Caused by: java.lang.ClassNotFoundException: org.codehaus.jackson.JsonFactory
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 5 more

Got the same problem, reinstalling java, JD2, using updater.jar, using missing files provided in the forum also doesn't work out.

i remove my jd2(#10) and i download/install again - but linkgrabber dont work-

[mikezilla2]

i stopped using JD , are there many improvements?

Same problem after update. At first I had to throw out the old launcher manually. The new launcher (v3) just wants after start (also with admin) a connection to "update.appworks.org". I let him pass but nothing else happens, JD2 doesn´t start any more after the update.

Edit: Thank you hacker676...it worked and problem is solved.

Thanks, hacker676. Works like a charm.

[wa1975]

hacker676: it works. Thanks for it! But lets see what happens after the next update. I hope i dont have to do your solution again.

@hacker676

Thank you
now work fine and my links no delete))
thx thx thx

[raztoki]

workarounds are all and good, but we need to fix this issue, so please drop by the live support channel, so coalado can make sure all these issues are resolved.

[coalado]

So final Workaround:

1. Delete cfg/versioninfo
2. Start Updater.jar or Updater.exe or JDownloader Update.exe