Automatic extraction don't work for me either (Synology DS112+).
Code:
> cat /proc/cpuinfo
Processor : Feroceon 88FR131 rev 1 (v5l)
BogoMIPS : 1985.74
Features : swp half thumb fastmult edsp
CPU implementer : 0x56
CPU architecture: 5TE
CPU variant : 0x2
CPU part : 0x131
CPU revision : 1
Hardware : Synology 6282 board
Revision : 0000
Serial : 0000000000000000
Extraction Log:
Code:
------------------------Thread: 66:ExtractionExtension.log-----------------------
--ID:66TS:1422519777906-1/29/15 9:22:57 AM - [org.appwork.txtresource.TranslationHandler(createTranslationResource)] -> Utils>ExtractionExtension.log>Load Translation file:/volume1/@appstore/jdownloader/translations/org/jdownloader/extensions/extraction/translate/ExtractionTranslation.en.lng
--ID:66TS:1422519778405-1/29/15 9:22:58 AM - [org.jdownloader.extensions.extraction.multi.Multi(checkCommand)] -> Lib ID: Linux-arm
--ID:66TS:1422519778406-1/29/15 9:22:58 AM - [org.jdownloader.extensions.extraction.multi.Multi(checkCommand)] -> Lib Path: /volume1/@appstore/jdownloader/tmp/7zip
--ID:66TS:1422519778616-1/29/15 9:22:58 AM - [] -> net.sf.sevenzipjbinding.SevenZipNativeInitializationException: 7-Zip-JBinding initialization failed: Error loading native library: '/volume1/@appstore/jdownloader/tmp/7zip/SevenZipJBinding-XZJYm/lib7-Zip-JBinding.so'
at net.sf.sevenzipjbinding.SevenZip.loadNativeLibraries(SevenZip.java:511)
at net.sf.sevenzipjbinding.SevenZip.initSevenZipFromPlatformJARIntern(SevenZip.java:383)
at net.sf.sevenzipjbinding.SevenZip.initSevenZipFromPlatformJAR(SevenZip.java:325)
at org.jdownloader.extensions.extraction.multi.Multi.checkCommand(Multi.java:413)
at org.jdownloader.extensions.extraction.ExtractionExtension.lazyInitOnceOnStart(ExtractionExtension.java:602)
at org.jdownloader.extensions.extraction.ExtractionExtension.start(ExtractionExtension.java:482)
at org.jdownloader.extensions.AbstractExtension.setEnabled(AbstractExtension.java:80)
at org.jdownloader.extensions.AbstractExtension.init(AbstractExtension.java:322)
at org.jdownloader.extensions.LazyExtension.create(LazyExtension.java:65)
at org.jdownloader.extensions.ExtensionController.initModule(ExtensionController.java:480)
at org.jdownloader.extensions.ExtensionController.loadJared(ExtensionController.java:316)
at org.jdownloader.extensions.ExtensionController.load(ExtensionController.java:254)
at org.jdownloader.extensions.ExtensionController.init(ExtensionController.java:122)
at jd.SecondLevelLaunch$10$1$2.run(SecondLevelLaunch.java:836)
Caused by: java.lang.UnsatisfiedLinkError: /volume1/@appstore/jdownloader/tmp/7zip/SevenZipJBinding-XZJYm/lib7-Zip-JBinding.so: ld-linux-armhf.so.3: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1965)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1890)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1851)
at java.lang.Runtime.load0(Runtime.java:795)
at java.lang.System.load(System.java:1062)
at net.sf.sevenzipjbinding.SevenZip.loadNativeLibraries(SevenZip.java:509)
... 13 more