#1
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Hello,
I need your help, since i have upgraded my debian from jessie to stretch, JD2 still appear with blank screen. Thanks for your help ![]() |
#2
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What happens when you start JDownloader.jar manually?
Try to rename the java/jre folder in your JDownloader folder to make JDownloader launcher use your system java
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JD-Dev & Server-Admin |
#3
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I can confirm this happens on Arch Linux aswell. My last pacman upgrade contained following packages which might be related to the issue.
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#4
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JDownloader works fine here with Java 10.
java -version java version "10" 2018-03-20 Java(TM) SE Runtime Environment 18.3 (build 10+46) Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode) The exception is okay and handled. I need the full console out of java -jar JDownloader.jar -console
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JD-Dev & Server-Admin |
#5
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Please know that JDownloader supports Java 1.6 up to Java 10 but Java9,10 are experimental and there is no reason to use higher than Java8
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JD-Dev & Server-Admin |
#6
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openjdk version "10.0.1" 2018-04-17
OpenJDK Runtime Environment (build 10.0.1+10) OpenJDK 64-Bit Server VM (build 10.0.1+10, mixed mode) Output can be found here: **External links are only visible to Support Staff****External links are only visible to Support Staff** |
#7
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There are no exceptions in log that are important. What window manager does your system/distribution use?
Log shows that JDownloader GUI initialization was successful InitGUI->1433 Can you please try again with OracleJDK and check if it happens there as well?
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JD-Dev & Server-Admin |
#8
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OS: Arch Linux x86_64
Kernel: 4.16.6-1-ARCH WM: bspwm jDownloader was working fine before the JDK / jDownloader update so I don't think the wm is the issue here (bspwm had no update). I do have a tray Icon and I can actually open that menu and close the application again. pacman only has OpenJDK packages. I am not sure what you mean with OracleJDK. |
#9
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OracleJDK = oracle.com/technetwork/java/javase/downloads/index.html
download the tar, extract and use. no need to install There have been no changes to JDownloader so it must either be caused by some OS changes or java-window manager issues
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JD-Dev & Server-Admin |
#10
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I ran ./java -jar ~/.jd/JDownloader.jar in the bin directories of OracleJDK 10 and 8 and I still have the same issue. I am really clueless what causes this, since it was working perfectly just a few days prior :(
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#11
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So all you see is a black window? Can you please create a stacktrace?
jstack -F PID of JDownloader process
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JD-Dev & Server-Admin |
#12
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All I see is a blank white window. The tray icon menu opens fine and is functional.
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#13
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Very strange that java is not able to show any stacktraces at all.
Can you try to connect with jvisualvm and then create thread dump there?
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JD-Dev & Server-Admin |
#14
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The newest version of visualvm will give me a blank screen too :(, the other on Arch AUR tells me java 10 is not supported.
Edit: Seems to be a general java issue on my machine f.ex stuff like minecraft will crash too. Any advice? Last edited by afds; 03.05.2018 at 17:42. |
#15
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Not to use Java10 and use Java8? Does it work then?
There is no much reason to use Java9,10 if your application doesn't make use of newer feature/api
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JD-Dev & Server-Admin |
#16
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I just switched to Java 8 like described in the wiki **External links are only visible to Support Staff****External links are only visible to Support Staff**
Other applications run again (with pretty bad fontrendering though). jDownloader still is on a blank screen. |
#17
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Can you create new console out log?
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JD-Dev & Server-Admin |
#18
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New log here: **External links are only visible to Support Staff****External links are only visible to Support Staff**
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#19
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Can you try to create thread dump with jvisualvm
or with jstack -F PID
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JD-Dev & Server-Admin |
#20
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Old and new version of visualvm will result in a blank screen
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#21
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in case jvisualvm also shows black screen it must somehow be connected to your setup/xserver/window manager.
I wonder why jstack fails again, that is not normal. maybe something caused by kernel? can you try older one?
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JD-Dev & Server-Admin |
#22
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I cannot try an older one since I didn't cache it. I had an older kernel on my laptop and upgraded it. jDownloader is working fine on there (both old and new kernel) with Java 8.
I just found the solution. It ended up being my window manager (weirdly enough it was working before I still don't get it). A solution for anyone else having this problem can be found here **External links are only visible to Support Staff****External links are only visible to Support Staff** (I hope some moderator can unlock the url or something) Last edited by afds; 03.05.2018 at 19:11. |
#23
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Thanks for the feedback! Which solution exactly did you choose that works for you? The site lists multiple options/solutions
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JD-Dev & Server-Admin |
#24
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The url should automatically jump to the right div but here:
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Thanks for the quick response and help! |
#25
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Thanks. When I understand correct the window manager seems not to be supported or has issues and you fake a different window manager with this setting. When it has worked before and now causes issues, I would say some changes in window manager code broke the java compatibility
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JD-Dev & Server-Admin |
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