On 09.05.2012 21:55, Hubert Zhang wrote: > Running on linux and libvirt 0.9.11. Using libvirt java 0.4.7. Notice > that the Tomcat server crashes and shows the dump like this: > > *** glibc detected *** jsvc.exec: double free or corruption (out): > 0x086f14a8 *** > ======= Backtrace: ========= > /lib/libc.so.6[0xc03745] > /lib/libc.so.6(cfree+0x59)[0xc03b89] > /tmp/jna/jna486823639517928939.tmp(Java_com_sun_jna_Native_free+0x1d)[0x430c4c] > [0xb46de240] > [0xb46d218d] > [0xb46d218d] > [0xb46d218d] > [0xb46cf3e6] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13bdb21] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x15b3478] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13bd94f] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13f0ef7] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13d4aee] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libjava.so(Java_java_lang_ref_Finalizer_invokeFinalizeMethod+0x6e)[0x11cb3e] > [0xb46de240] > [0xb46d218d] > [0xb46d218d] > [0xb46d218d] > [0xb46cf3e6] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13bdb21] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x15b3478] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13bd395] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x13bd458] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x143fbe7] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x16b404f] > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/server/libjvm.so[0x15b4a6e] > /lib/libpthread.so.0[0x8fa842] > /lib/libc.so.6(clone+0x5e)[0xc6c4ce] > > ======= Memory map: ======== > 00110000-00133000 r-xp 00000000 08:01 106948 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libjava.so > 00133000-00135000 rw-p 00023000 08:01 106948 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libjava.so > 00135000-00148000 r-xp 00000000 08:01 74629 /lib/libnsl-2.5.so > 00148000-00149000 r--p 00012000 08:01 74629 /lib/libnsl-2.5.so > 00149000-0014a000 rw-p 00013000 08:01 74629 /lib/libnsl-2.5.so > 0014a000-0014c000 rw-p 00000000 00:00 0 > 0014c000-0014f000 ---p 00000000 00:00 0 > 0014f000-0019d000 rwxp 00000000 00:00 0 > 0019d000-001d7000 r-xp 00000000 08:01 106944 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libjdwp.so > 001d7000-001d8000 rw-p 00039000 08:01 106944 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libjdwp.so > 001d8000-001d9000 ---p 00000000 00:00 0 > 001d9000-00259000 rwxp 00000000 00:00 0 > 00259000-0026d000 r-xp 00000000 08:01 106885 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libnet.so > 0026d000-0026e000 rw-p 00013000 08:01 106885 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/libnet.so > 0026e000-00273000 r-xp 00000000 08:01 106769 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/headless/libmawt.so > 00273000-00274000 rw-p 00004000 08:01 106769 > /usr/lib/jvm/sun-java-6u24/jre/lib/i386/headless/libmawt.so > 00276000-00290000 r-xp 00000000 08:01 74651 /lib/ld-2.5.so > 00290000-00291000 r--p 00019000 08:01 74651 /lib/ld-2.5.so > 00291000-00292000 rw-p 0001a000 08:01 74651 /lib/ld-2.5.so > 00292000-00295000 ---p 00000000 00:00 0 > 00295000-002e3000 rwxp 00000000 00:00 0 > 002e3000-002e8000 r-xp 00000000 08:01 212038 > /usr/lib/libwsman_curl_client_transport.so.1.0.0 > 002e8000-002e9000 rw-p 00004000 08:01 212038 > /usr/lib/libwsman_curl_client_transport.so.1.0.0 > > ...................................... > > > > Sometimes I see "invalid pointer" as well. It seems a bug to the > libvirt java API. Has anyone seen this error before? Thanks. >
Unfortunately, java bindings are not kept in such close sync as other bindings (python for instance). However, that backtrace is cagey. It doesn't ring any bell to me. Michal -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list
