Hi guys,
I hope someone can shed some light on this problem I am having after parsing
the RDF syntax data encoded in rdf+xml. The error I get on stderr is the
following:
node: Cannot encode a datatype URI string of 808595303 bytes length (error)
I tracked it down to rdf_node.c. Attached you find the backtrace starting from
a breakpoint at rdf_node.c where an invalid datatype uri causes a failure.
This is the datatype uri (clearly invalid):
$2 = {world = 0x772f2f3a70747468, string = 0x726f2e33772e7777 <Address
0x726f2e33772e7777 out of bounds>, string_length = 808595303, usage =
1479487793}
which has been casted from a raptor_uri which is essentially a void pointer.
I gave up tracking down the invalid datatype uri when it went into a raptor
sequence. I just do not have enough insight on the code. Hopefully someone
knows what this is about.
I also ran it through valgrind but all I got is this invalid write which I
could not make much of:
==1921== Syscall param pwrite64(buf) points to uninitialised byte(s)
==1921== at 0x879B813: __pwrite_nocancel (in /lib64/libpthread-2.6.1.so)
==1921== by 0x12C22B81: __os_io (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12C1231E: (within /usr/lib64/libdb-4.5.so)
==1921== by 0x12C12534: __memp_bhwrite (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12C1DF0F: __memp_sync_int (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12BC6E4A: __db_sync (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12BD5DC6: __db_sync_pp (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12929B1D: librdf_hash_bdb_sync (rdf_hash_bdb.c:996)
==1921== by 0x1290B316: librdf_hash_sync (rdf_hash.c:1104)
==1921== by 0x12919013: librdf_storage_hashes_sync
(rdf_storage_hashes.c:1684)
==1921== by 0x12914941: librdf_storage_sync (rdf_storage.c:1586)
==1921== by 0x12910C26: librdf_model_storage_sync (rdf_model_storage.c:549)
==1921== Address 0xf745008 is 3,200 bytes inside a block of size 4,183
alloc'd
==1921== at 0x4C226AC: malloc
(in /usr/lib64/valgrind/amd64-linux/vgpreload_memcheck.so)
==1921== by 0x12C208EB: __os_malloc (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12BE8843: __db_shalloc (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12C109EE: __memp_alloc (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12C1306B: __memp_fget (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12B6E201: __bam_get_root (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12B6E557: __bam_search (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12B5F3E8: (within /usr/lib64/libdb-4.5.so)
==1921== by 0x12B60953: (within /usr/lib64/libdb-4.5.so)
==1921== by 0x12BCDC1E: __db_c_get (in /usr/lib64/libdb-4.5.so)
==1921== by 0x12BD8C6D: __db_c_get_pp (in /usr/lib64/libdb-4.5.so)
==1921== by 0x129292FC: librdf_hash_bdb_cursor_get (rdf_hash_bdb.c:492)
Thanks a lot,
Sebastian Trüg
#0 librdf_node_encode (node=0x2aaaac2575d0, buffer=0x0, length=0) at
rdf_node.c:1410
#1 0x00002b07012de7a0 in librdf_new_node_from_typed_counted_literal
(world=0x2aaaac2221a0, value=0x2aaaac2be790
"http://www.w3.org/1999/02/22-rdf-syntax-ns#";, value_len=43, xml_language=0x0,
xml_language_len=0,
datatype_uri=0x2aaaac24f0b0) at rdf_node.c:490
#2 0x00002b07012dea03 in librdf_new_node_from_typed_literal
(world=0x2aaaac2221a0, value=0x2aaaac2be790
"http://www.w3.org/1999/02/22-rdf-syntax-ns#";, xml_language=0x0,
datatype_uri=0x2aaaac24f0b0) at rdf_node.c:591
#3 0x00002b07012f842e in rasqal_literal_to_redland_node (world=0x2aaaac2221a0,
l=0x2aaaac224e10) at rdf_query_rasqal.c:169
#4 0x00002b07012f8e1a in rasqal_redland_init_triples_match
(rtm=0x2aaaac2bb760, rts=0x2aaaac2b52a0, user_data=0x2aaaac231730,
m=0x2aaaac264700, t=0x2aaaac2c0590) at rdf_query_rasqal.c:548
#5 0x00002b07019be575 in rasqal_new_triples_match
(query_results=0x2aaaac22cfc0, user_data=0x2aaaac264700, m=0x2aaaac264700,
t=0x2aaaac2c0590) at rasqal_engine.c:566
#6 0x00002b07019bebf3 in rasqal_engine_triple_graph_pattern_get_next_match
(query_results=0x2aaaac22cfc0, gp=0x2aaaac280b10) at rasqal_engine.c:912
#7 0x00002b07019bee42 in rasqal_engine_graph_pattern_get_next_match
(query_results=0x2aaaac22cfc0, gp=0x2aaaac280b10) at rasqal_engine.c:1005
#8 0x00002b07019bf8bb in rasqal_engine_do_step (query_results=0x2aaaac22cfc0,
outergp=0x2aaaac2431b0, gp=0x2aaaac280b10) at rasqal_engine.c:1446
#9 0x00002b07019bfe9e in rasqal_engine_get_next_result
(query_results=0x2aaaac22cfc0) at rasqal_engine.c:1764
#10 0x00002b07019c1c5e in rasqal_engine_excute_next_lazy
(query_results=0x2aaaac22cfc0) at rasqal_engine.c:3377
#11 0x00002b07019c1a6d in rasqal_engine_execute_run
(query_results=0x2aaaac22cfc0) at rasqal_engine.c:3266
#12 0x00002b07019badfc in rasqal_query_execute (query=0x2aaaac256fa0) at
rasqal_query.c:1204
#13 0x00002b07012f8fec in librdf_query_rasqal_execute (query=0x2aaaac2bf550,
model=0x2aaaac31b090) at rdf_query_rasqal.c:612
#14 0x00002b07012f6b6e in librdf_query_execute (query=0x2aaaac2bf550,
model=0x2aaaac31b090) at rdf_query.c:461
#15 0x00002b07012e8bf9 in librdf_model_storage_query_execute
(model=0x2aaaac31b090, query=0x2aaaac2bf550) at rdf_model_storage.c:532
#16 0x00002b07012e7d3d in librdf_model_query_execute (model=0x2aaaac31b090,
query=0x2aaaac2bf550) at rdf_model.c:1396
#17 0x00002b0702083595 in Soprano::Redland::RedlandModel::executeQuery
(this=0x2aaaac337620, [EMAIL PROTECTED],
language=Soprano::Query::QueryLanguageSparql, [EMAIL PROTECTED])
at
/home/trueg/kde/dev/kde/src/4/kdesupport/soprano/backends/redland/redlandmodel.cpp:223
#18 0x00002b06fedac1ec in (anonymous namespace)::findGraphUris
(model=0x2aaaac337620, [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED])
at
/home/trueg/kde/dev/kde/src/4/kdebase/runtime/nepomuk/ontologymanagermodel.cpp:79
#19 0x00002b06fedad624 in Nepomuk::OntologyManagerModel::updateOntology
(this=0x81cdb0, [EMAIL PROTECTED], [EMAIL PROTECTED]) at
/home/trueg/kde/dev/kde/src/4/kdebase/runtime/nepomuk/ontologymanagermodel.cpp:268
#20 0x00002b06fedab196 in Nepomuk::OntologyLoader::Private::updateOntology
(this=0x81f6c0, [EMAIL PROTECTED]) at
/home/trueg/kde/dev/kde/src/4/kdebase/runtime/nepomuk/ontologyloader.cpp:117
#21 0x00002b06fedab3f2 in Nepomuk::OntologyLoader::update (this=0x2aaaac148ed0)
at /home/trueg/kde/dev/kde/src/4/kdebase/runtime/nepomuk/ontologyloader.cpp:81
#22 0x00002b06fedab4e8 in Nepomuk::OntologyLoader::qt_metacall
(this=0x2aaaac148ed0, _c=QMetaObject::InvokeMetaMethod, _id=0,
_a=0x7fffb5ebc8d0) at
/home/trueg/kde/dev/kde/build/4/kdebase/runtime/nepomuk/ontologyloader.moc:65
#23 0x00002b06f85c5edf in QMetaObject::activate (sender=0x77c300,
from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:2992
#24 0x00002b06f85c6335 in QMetaObject::activate (sender=0x77c300,
m=0x2b06f88ad340, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3065
#25 0x00002b06f85cff6a in QSingleShotTimer::timeout (this=0x77c300) at
.moc/debug-shared/qtimer.moc:74
#26 0x00002b06f85d008b in QSingleShotTimer::timerEvent (this=0x77c300) at
kernel/qtimer.cpp:300
#27 0x00002b06f85c501c in QObject::event (this=0x77c300, e=0x7fffb5ebd200) at
kernel/qobject.cpp:1096
#28 0x00002b06f915d2e9 in QApplicationPrivate::notify_helper (this=0x623930,
receiver=0x77c300, e=0x7fffb5ebd200) at kernel/qapplication.cpp:3735
#29 0x00002b06f915d60b in QApplication::notify (this=0x7fffb5ebd680,
receiver=0x77c300, e=0x7fffb5ebd200) at kernel/qapplication.cpp:3329
#30 0x00002b06f5b1a752 in KApplication::notify (this=0x7fffb5ebd680,
receiver=0x77c300, event=0x7fffb5ebd200) at
/home/trueg/kde/dev/kde/src/4/kdelibs/kdeui/kernel/kapplication.cpp:311
#31 0x00002b06f85b2520 in QCoreApplication::notifyInternal
(this=0x7fffb5ebd680, receiver=0x77c300, event=0x7fffb5ebd200) at
kernel/qcoreapplication.cpp:582
#32 0x00002b06f85b5c11 in QCoreApplication::sendEvent (receiver=0x77c300,
event=0x7fffb5ebd200) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 0x00002b06f85e2432 in QTimerInfoList::activateTimers (this=0x627010) at
kernel/qeventdispatcher_unix.cpp:563
#34 0x00002b06f85df49f in timerSourceDispatch (source=0x626fb0) at
kernel/qeventdispatcher_glib.cpp:166
#35 0x00002b06fbb9e732 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#36 0x00002b06fbb9ef75 in ?? () from /usr/lib/libglib-2.0.so.0
#37 0x00002b06fbb9f47b in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#38 0x00002b06f85dee86 in QEventDispatcherGlib::processEvents (this=0x6238d0,
[EMAIL PROTECTED]) at kernel/qeventdispatcher_glib.cpp:325
#39 0x00002b06f91fa6c7 in QGuiEventDispatcherGlib::processEvents
(this=0x6238d0, [EMAIL PROTECTED]) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00002b06f85af48d in QEventLoop::processEvents (this=0x7fffb5ebd520,
[EMAIL PROTECTED]) at kernel/qeventloop.cpp:146
#41 0x00002b06f85af61f in QEventLoop::exec (this=0x7fffb5ebd520, [EMAIL
PROTECTED]) at kernel/qeventloop.cpp:193
#42 0x00002b06f85b2daa in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:838
#43 0x00002b06f915d04a in QApplication::exec () at kernel/qapplication.cpp:3267
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