For those curious, the problem turned out to be a malfunctioning 'realpath' system call on that device. That caused the jvm to fail to load the native lib.
Thanks for responses to my call for help! Matt ----- Original Message ----- From: Richard S. Hall <[email protected]> To: [email protected] Sent: Wed, 16 Sep 2009 09:08:59 -0500 (CDT) Subject: Re: Cannot load native library On 9/16/09 1:06, Matt Tennant wrote: > Hi all, > > I managed to install ldd on my device, and the results show nothing wrong > that I can see: > > # ldd librxtxSerial.so > libpthread.so.0 => /lib/libpthread.so.0 (0x00000000) > libc.so.0 => /lib/libc.so.0 (0x00000000) > /lib/ld-uClibc.so.0 => /lib/ld-uClibc.so.0 (0x00000000) > # ls /lib/libpthread.so.0 > /lib/libpthread.so.0 > # ls /lib/libc.so.0 > /lib/libc.so.0 > # ls /lib/ld-uClibc.so.0 > /lib/ld-uClibc.so.0 > # pwd > /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips > > > Does anybody know if I can get more information out of Felix? > > Does anybody know if the following message: > ERROR: JarContent: Unable to create library directory. > That should be occurring in JarContent.getEntryAsNativeLibrary(). -> richard > is coming from Felix? If I try to install the bundle interactively, it fails > and that is one of the messages. As far as I can tell, I cannot easily get > the source code for the Felix framework to check myself (although I can > download the source code of bundles from > http://felix.apache.org/site/downloads.cgi, just not for the framework > itself). > > Any help appreciated, > Matt > > > ----- Original Message ----- > From: "Matt Tennant"<[email protected]> > To: [email protected] > Sent: Tuesday, September 15, 2009 12:03:31 PM GMT -08:00 US/Canada Pacific > Subject: Re: Cannot load native library > > > Hi Chris, > > As it happens, the device does not have ldd installed. I am looking into > getting the source code for ldd, but in any case thank you for your response. > > Cheers, > Matt > > ----- Original Message ----- > From: "Chris Custine"<[email protected]> > To: [email protected] > Sent: Monday, September 14, 2009 5:13:32 PM GMT -08:00 US/Canada Pacific > Subject: Re: Cannot load native library > > I could be mistaken, but IIRC you can also get this error if the library is > linked against another lib that is missing. On linux you can usually figure > these out with ldd. > ldd -v > /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips/librxtxSerial.so > > Not sure if you have that option on your device, but it might be worth a > try. > > Chris > -- > Chris Custine > FUSESource :: http://fusesource.com > My Blog :: http://blog.organicelement.com > Apache ServiceMix :: http://servicemix.apache.org > Apache Directory Server :: http://directory.apache.org > > > On Mon, Sep 14, 2009 at 5:13 PM, Matt Tennant<[email protected]> wrote: > > >> Hi all, >> >> I have a problem that has me stumped, and I'm looking for any help I can >> get. I recently ported our company's java code to OSGi bundles, usually >> running in the Felix framework and embedded in a device with phoneME JVM. >> Everything works great except for a couple of issues, one of which is that >> on one of our devices the native libraries won't load. I get an error like >> this: >> >> Uncaught Exception in thread Serial Communications Thread: >> java.lang.UnsatisfiedLinkError Can't load >> /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips/librxtxSerial.so >> java.lang.ClassLoader.loadLibraryInternal(Unknown Source) >> java.lang.ClassLoader.loadLibrary(Unknown Source) >> java.lang.Runtime.loadLibrary0(Unknown Source) >> java.lang.System.loadLibrary(Unknown Source) >> gnu.io.RXTXPort.<clinit>(Unknown Source) >> java.lang.Class.runStaticInitializers(Unknown Source) >> com.fourhome.zwave.SerialComm.run(Unknown Source) >> java.lang.Thread.run(Unknown Source) >> java.lang.Thread.startup(Unknown Source) >> >> >> Even though that library file is there: >> >> # ls >> /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips/librxtxSerial.so >> >> /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips/librxtxSerial.so >> # cd /var/lib/fluid/osgi-config/bundle9/version0.0/lib/native/linux/mips/ >> # ls -l >> -rw------- 1 0 0 94351 Sep 14 10:46 librxtxSerial.so >> >> I'm starting the bundles in the config.properties file at startup time >> (pasted below). I've also tried starting everything but the problematic >> zwave.jar bundle, and then starting that one interactively. When I do that, >> I get: >> >> -> install file:/usr/lib/fluid/plugins/zwave.jar >> ERROR: JarContent: Unable to create library directory. >> removing /var/lib/fluid/osgi-config/bundle15/bundle.id >> rm ret -1 >> unlinking /var/lib/fluid/osgi-config/bundle15/bundle.id >> b 0 >> removing /var/lib/fluid/osgi-config/bundle15/bundle.location >> rm ret -1 >> unlinking /var/lib/fluid/osgi-config/bundle15/bundle.location >> b 0 >> removing /var/lib/fluid/osgi-config/bundle15/version0.0/bundle.jar >> rm ret -1 >> unlinking /var/lib/fluid/osgi-config/bundle15/version0.0/bundle.jar >> b 0 >> removing /var/lib/fluid/osgi-config/bundle15/version0.0/revision.location >> rm ret -1 >> unlinking /var/lib/fluid/osgi-config/bundle15/version0.0/revision.location >> b 0 >> removing /var/lib/fluid/osgi-config/bundle15/version0.0 >> rm ret 0 >> removing /var/lib/fluid/osgi-config/bundle15 >> rm ret 0 >> org.osgi.framework.BundleException: Native library does not exist: >> native/linux/mips/librxtxSerial.so >> at org.apache.felix.framework.searchpolicy.ModuleImpl.<init>(Unknown >> Source) >> at org.apache.felix.framework.BundleImpl.createModule(Unknown >> Source) >> at org.apache.felix.framework.BundleImpl.<init>(Unknown Source) >> at org.apache.felix.framework.Felix.installBundle(Unknown Source) >> at org.apache.felix.framework.Felix.installBundle(Unknown Source) >> at >> org.apache.felix.framework.BundleContextImpl.installBundle(Unknown Source) >> at org.apache.felix.shell.impl.InstallCommandImpl.install(Unknown >> Source) >> at org.apache.felix.shell.impl.InstallCommandImpl.execute(Unknown >> Source) >> at >> org.apache.felix.shell.impl.Activator$ShellServiceImpl.executeCommand(Unknown >> Source) >> at org.apache.felix.shell.tui.Activator$ShellTuiRunnable.run(Unknown >> Source) >> at java.lang.Thread.run(Unknown Source) >> at java.lang.Thread.startup(Unknown Source) >> org.osgi.framework.BundleException: Native library does not exist: >> native/linux/mips/librxtxSerial.so >> >> In particular, the line that says "ERROR: JarContent: Unable to create >> library directory." seems promising. When I do things this way, the bundle >> is never installed and the bundle directory is never created. But I don't >> know why. >> >> What I'm looking for is any advice on how to tease more information out of >> Felix about what the problem is with that library. Note that this setup >> works fine on at least three other embedded platforms as well as on my linux >> PC. Any help at all is very much appreciated, and I mean that. If there is >> any additional information that would help I can get it. I've pasted below >> some other misc. stuff. >> >> Thank you, >> Matt >> >> >> Start command: >> ----------------------------- >> Starting fluid core with this command: 'cvm -Xmx8m >> -Djava.net.preferIPv4Stack=true -Dcore.data.dir=/var/lib/fluid >> -Dcore.lon.enable=false -Dcore.manufacturer.name=4Home >> -Dcore.model.number=CP2000 -Dcore.config.protect=true >> -Dcore.config.password=4444444444 -Dcore.config.user=4HDEFAULT >> -Dcore.net.interface=br0 -Dcore.zwave1.interface=/dev/tts/1 >> -Dcore.logging.level=4 -Dcore.conf.file=/var/lib/fluid/fluid-core.conf >> -Dorg.osgi.framework.storage=/var/lib/fluid/osgi-config >> -Dfelix.config.properties=file:/var/lib/fluid/osgi-config/config.properties >> -jar lib/felix.jar' >> >> config.properties >> ----------------------------- >> felix.log.level=4 >> felix.auto.start.1= file:lib/commons.jar >> file:lib/org.apache.felix.configadmin-1.0.10.jar >> file:lib/org.apache.felix.http.jetty-1.0.1.jar >> file:lib/org.apache.felix.log-1.0.0.jar >> file:lib/org.apache.felix.shell-1.2.0.jar >> file:lib/org.apache.felix.shell.tui-1.2.0.jar file:lib/RXTXcomm.jar >> file:lib/upnplib.jar file:core.jar file:plugins/ipc.jar file:plugins/led.jar >> file:plugins/ndc.jar file:plugins/pgw.jar file:plugins/portmap.jar >> file:plugins/tweenagent.jar file:plugins/upnp.jar file:plugins/zwave.jar >> felix.service.urlhandlers=false >> org.apache.felix.http.nio=false >> org.ungoverned.osgi.bundle.https.enabled=false >> >> Manifest of the zwave.jar bundle: >> ----------------------------- >> Ant-Version Apache Ant 1.7.1 >> Bundle-Activator com.fourhome.zwave.ZWaveClient >> Bundle-ManifestVersion 2 >> Bundle-Name 4Home ZWave Client >> Bundle-NativeCode >> native/linux/mips/librxtxSerial.so;osname=linux;processor=mips >> Bundle-SymbolicName ZWave >> Bundle-Version 3.1.4 >> Created-By 14.0-b16 (Sun Microsystems Inc.) >> Import-Package com.fourhome.commons, >> org.osgi.framework;version="1.3.0" >> Manifest-Version 1.0 >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> >> > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
