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Old 18.03.2016, 22:50
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Default Jdowloader UPNP, and OpenJDK


I'm using Jdownloader on an ARM pc with debian linux, in headless mode, with SSH, and i have two problems:

-jdownloader makes my crappy modem-routers's (Cisco EPC3925) wan port freeze (so its LAN connectors are working, but no internet access no WAN, until modem reset). This is caused by jdownloader UPNP request. How can i disable jdownloader UPNP, and set a fixed incoming traffic port?

-jdownloader does not work on openjdk 8 (uses 90%< cpu continously for infinite time, but never becomes available in my.jdowloader) but it works with headless oracle jre 1.7.
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Old 19.03.2016, 11:55
raztoki's Avatar
raztoki raztoki is offline
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Join Date: Apr 2010
Location: Australia
Posts: 15,981

reconnection module would be the reason why UPnP is been called.
you could disable that via advanced settings, or by closing JD, and editing the respective reconnection module json file.

We code JD with Sun/Oracle based Java, OpenJava can introduce a lot of problems.

raztoki @ jDownloader reporter/developer

Don't fight the system, use it to your advantage. :]
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Old 20.03.2016, 19:41
Jiaz's Avatar
Jiaz Jiaz is offline
JD Manager
Join Date: Mar 2009
Location: Germany
Posts: 60,400

OpenJDK has a known issue to bad sha256 code that slows down factor 100-1000x.
Thats why you should always use latest version of openjdk.
JDownloader works fine with all java version >=1.6. openjdk8 works fine.

Settings-Advanced Settings->search for direct mode and setup manual ports. UPNP is only used when you setup JDownloader to use upnp. Same for reconnect.
JD-Dev & Server-Admin
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