It looks like the NPE is happening in your code, not javax.usb code. I assume you're replacing the standard ClassLoader with your own? You should check your "BundleClassLoader" line 291, that's where the NPE is happening.
On Mon, 9 May 2005, Szabolcs Tahin wrote: >Hello, > >just installed the newest javax.usb package and enabled tracing. Here a >snippet with the exception. Can you recognize something wrong? > >Szabolcs > > > >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[112] Building device >/proc/bus/usb/001/001 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[136] Device is hub >with 2 ports >[hotplug](4) JavaxUsbTopologyUpdater.c.build_device[151] Device speed is 12 >Mbps >[hotplug](4) JavaxUsbTopologyUpdater.c.build_config[217] Building config 1 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_interface[277] Building interface >0 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_endpoint[291] Building endpoint >0x81 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[112] Building device >/proc/bus/usb/002/001 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[136] Device is hub with 2 >ports >[hotplug](4) JavaxUsbTopologyUpdater.c.build_device[151] Device speed is 12 >Mbps >[hotplug](4) JavaxUsbTopologyUpdater.c.build_config[217] Building config 1 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_interface[277] Building interface >0 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_endpoint[291] Building endpoint >0x81 >[stderr] java.lang.NullPointerException >[stderr] at >org.knopflerfish.framework.BundleClassLoader.loadOwnClass(BundleClassLoader.java:291) >[stderr] at >org.knopflerfish.framework.BundleClassLoader.findClass(BundleClassLoader.java:136) >[stderr] at >org.knopflerfish.framework.BundleClassLoader.loadClass(BundleClassLoader.java:224) >[stderr] at java.lang.ClassLoader.loadClass(ClassLoader.java:251) >[stderr] at >java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) >[stderr] at com.ibm.jusb.UsbDeviceImp.disconnect(UsbDeviceImp.java:363) >[stderr] at >com.ibm.jusb.os.linux.LinuxUsbServices.updateTopology(LinuxUsbServices.java:221) >[stderr] at >com.ibm.jusb.os.linux.LinuxUsbServices.access$000(LinuxUsbServices.java:26) >[stderr] at >com.ibm.jusb.os.linux.LinuxUsbServices$1.run(LinuxUsbServices.java:141) >[stderr] at java.lang.Thread.run(Thread.java:595) >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[112] Building device >/proc/bus/usb/001/001 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[136] Device is hub with 2 >ports >[hotplug](4) JavaxUsbTopologyUpdater.c.build_device[151] Device speed is 12 >Mbps >[hotplug](4) JavaxUsbTopologyUpdater.c.build_config[217] Building config 1 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_interface[277] Building interface >0 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_endpoint[291] Building endpoint >0x81 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[112] Building device >/proc/bus/usb/002/001 >[hotplug](3) JavaxUsbTopologyUpdater.c.build_device[136] Device is hub with 2 >ports >[hotplug](4) JavaxUsbTopologyUpdater.c.build_device[151] Device speed is 12 >Mbps >[hotplug](4) JavaxUsbTopologyUpdater.c.build_config[217] Building config 1 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_interface[277] Building interface >0 >[hotplug](4) JavaxUsbTopologyUpdater.c.build_endpoint[291] Building endpoint >0x81 >[default](2) JavaxUsb.h.open_device[216] Opening node /proc/bus/usb/001/001 >[hotplug](4) JavaxUsbActive.c.getActiveConfig[272] Getting active config using >GET_CONFIGURATION standard request. >[hotplug](4) JavaxUsbActive.c.config_ask_device[212] Active device >configuration is 1 >[hotplug](4) JavaxUsbActive.c.getActiveConfig[274] Device returned 1. >[default](2) JavaxUsb.h.open_device[216] Opening node /proc/bus/usb/002/001 >[hotplug](4) JavaxUsbActive.c.getActiveConfig[272] Getting active config using >GET_CONFIGURATION standard request. > > > > > >------------------------------------------------------- >This SF.Net email is sponsored by: NEC IT Guy Games. >Get your fingers limbered up and give it your best shot. 4 great events, 4 >opportunities to win big! Highest score wins.NEC IT Guy Games. Play to >win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 >_______________________________________________ >javax-usb-devel mailing list >javax-usb-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/javax-usb-devel > -- Dan Streetman [EMAIL PROTECTED] --------------------- 186,272 miles per second: It isn't just a good idea, it's the law! ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ javax-usb-devel mailing list javax-usb-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/javax-usb-devel
