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IDProjectCategoryView StatusDate SubmittedLast Update
0030224Community[OCCT] OCCT:Data Exchangepublic2018-10-09 17:582018-10-09 17:59
Reportermmrozek 
Assigned Togka 
PrioritynormalSeveritycrash 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.3.0 
Target VersionFixed in Version 
Summary0030224: StlAPI_Writer crashes on STEP converted file
DescriptionWhile saving the shape read from an attached STEP file (and only for that specific one), my simple app crashes.

Debug infos:

backtrace:
#0 0x00007ffff730443c in NCollection_Array1<gp_Pnt>::Lower (this=0x18) at /home/michal/Downloads/opencascade-7.3.0/src/NCollection/NCollection_Array1.hxx:264
No locals.
0000001 0x00007ffff6d75e23 in StlAPI_Writer::Write (this=0x7fffffffd23f, theShape=..., theFileName=0x697500 "CO3DP0000327177_I3-PS-02_25025_86cm3.stl") at /home/michal/Downloads/opencascade-7.3.0/src/StlAPI/StlAPI_Writer.cxx:75
        aNodeIter = 63
        aTriangulation = {entity = 0x0}
        aNodes = <error reading variable>
        aTriangles = <error reading variable>
        anOrientation = TopAbs_FORWARD
        aLoc = {myItems = {myNode = {entity = 0x0}}}
        aTrsf = {scale = 1, shape = gp_Identity, matrix = {matrix = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}}}, loc = {x = 0, y = 0, z = 0}}
        anExpSF = {myStack = 0x5d2f250, myTop = 2, mySizeOfStack = 20, myShape = {myTShape = {entity = 0x71d9e0}, myLocation = {myItems = {myNode = {entity = 0x0}}}, myOrient = TopAbs_FORWARD}, hasMore = true, toFind = TopAbs_FACE, toAvoid = TopAbs_SHAPE}
        aNbNodes = 837714
        aNbTriangles = 1419950
        aMesh = {entity = 0x568c0d0}
        aNodeOffset = 281654
        aTriangleOffet = 490093
        aPath = {myNode = {mystring = 0x7fffffffd130 "H\257\274\232\362\327z>\001\001", mylength = -11680}, myUserName = {mystring = 0x3fe0000000000000 <error: Cannot access memory at address 0x3fe0000000000000>, mylength = -1917273401}, myPassword = {mystring = 0x3e7ad7f29abcaf48 <error: Cannot access memory at address 0x3e7ad7f29abcaf48>, mylength = 16777473}, myDisk = {mystring = 0x7ffff7d25238 <vtable for Standard_Transient+16> "\370\223\244\367\377\177", mylength = 0}, myTrek = {mystring = 0x0, mylength = 0}, myName = {mystring = 0x7fff00000000 <error: Cannot access memory at address 0x7fff00000000>, mylength = -12031}, myExtension = {mystring = 0x7ffff7d24b28 <vtable for NCollection_BaseMap+16> "\270\231\246\367\377\177", mylength = 0}, myUNCFlag = false, mySysDep = OSD_Unknown}
0000002 0x00007ffff6d728c7 in StlAPI::Write (theShape=..., theFile=0x697500 "CO3DP0000327177_I3-PS-02_25025_86cm3.stl", theAsciiMode=false) at /home/michal/Downloads/opencascade-7.3.0/src/StlAPI/StlAPI.cxx:30
        aWriter = {myASCIIMode = false}
#3 0x000000000043af32 in step2stl (in="CO3DP0000327177_I3-PS-02_25025_86cm3.stp", out="CO3DP0000327177_I3-PS-02_25025_86cm3.stl") at /home/michal/Documents/Projects/step2stl/src/lib/converter.cpp:15
        model = {shape = {myTShape = {entity = 0x71d9e0}, myLocation = {myItems = {myNode = {entity = 0x0}}}, myOrient = TopAbs_FORWARD}}
#4 0x000000000043ae0d in main (argc=3, argv=0x7fffffffd478) at /home/michal/Documents/Projects/step2stl/src/main.cpp:5
No locals.


registers:
rax 0x18 24
rbx 0x0 0
rcx 0x0 0
rdx 0x0 0
rsi 0x1a91398 27857816
rdi 0x18 24
rbp 0x7fffffffd390 0x7fffffffd390
rsp 0x7fffffffd310 0x7fffffffd310
r8 0x5d2f250 97710672
r9 0x232 562
r10 0x0 0
r11 0x7ffff6d766a4 140737334699684
r12 0x43acb0 4435120
r13 0x7fffffffd470 140737488344176
r14 0x0 0
r15 0x0 0
rip 0x43ae0d 0x43ae0d <main(int, char const**)+119>
eflags 0x10202 [ IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0


current instructions:
=> 0x43ae0d <main(int, char const**)+119>: mov ebx,eax
   0x43ae0f <main(int, char const**)+121>: nop
   0x43ae10 <main(int, char const**)+122>: lea rax,[rbp-0x40]
   0x43ae14 <main(int, char const**)+126>: mov rdi,rax
   0x43ae17 <main(int, char const**)+129>: call 0x43a8c0 <_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev@plt>
   0x43ae1c <main(int, char const**)+134>: lea rax,[rbp-0x11]
   0x43ae20 <main(int, char const**)+138>: mov rdi,rax
   0x43ae23 <main(int, char const**)+141>: call 0x43aca0 <_ZNSaIcED1Ev@plt>
   0x43ae28 <main(int, char const**)+146>: lea rax,[rbp-0x70]
   0x43ae2c <main(int, char const**)+150>: mov rdi,rax
   0x43ae2f <main(int, char const**)+153>: call 0x43a8c0 <_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev@plt>
   0x43ae34 <main(int, char const**)+158>: lea rax,[rbp-0x41]
   0x43ae38 <main(int, char const**)+162>: mov rdi,rax
   0x43ae3b <main(int, char const**)+165>: call 0x43aca0 <_ZNSaIcED1Ev@plt>
   0x43ae40 <main(int, char const**)+170>: mov eax,ebx
   0x43ae42 <main(int, char const**)+172>: jmp 0x43ae8c <main(int, char const**)+246>


threads backtrace:

Thread 1 (Thread 0x7ffff7fcd740 (LWP 20508)):
#0 0x00007ffff730443c in NCollection_Array1<gp_Pnt>::Lower (this=0x18) at /home/michal/Downloads/opencascade-7.3.0/src/NCollection/NCollection_Array1.hxx:264
0000001 0x00007ffff6d75e23 in StlAPI_Writer::Write (this=0x7fffffffd23f, theShape=..., theFileName=0x697500 "CO3DP0000327177_I3-PS-02_25025_86cm3.stl") at /home/michal/Downloads/opencascade-7.3.0/src/StlAPI/StlAPI_Writer.cxx:75
0000002 0x00007ffff6d728c7 in StlAPI::Write (theShape=..., theFile=0x697500 "CO3DP0000327177_I3-PS-02_25025_86cm3.stl", theAsciiMode=false) at /home/michal/Downloads/opencascade-7.3.0/src/StlAPI/StlAPI.cxx:30
#3 0x000000000043af32 in step2stl (in="CO3DP0000327177_I3-PS-02_25025_86cm3.stp", out="CO3DP0000327177_I3-PS-02_25025_86cm3.stl") at /home/michal/Documents/Projects/step2stl/src/lib/converter.cpp:15
#4 0x000000000043ae0d in main (argc=3, argv=0x7fffffffd478) at /home/michal/Documents/Projects/step2stl/src/main.cpp:5
Steps To ReproduceRead the file using STEPControl_Reader, transfer roots, get one shape from it and try to save it using StlAPI::Write (theAsciiMode=Standard_False).
TagsNo tags attached.
Test case number
Attached Files? file icon CO3DP0000357844_I6-PS-02_24_13cm3.stp (5,074 bytes) 2018-10-09 17:58
? file icon gdb.bt (5,566 bytes) 2018-10-09 17:59

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-  Notes
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- Issue History
Date Modified Username Field Change
2018-10-09 17:58 mmrozek New Issue
2018-10-09 17:58 mmrozek Assigned To => gka
2018-10-09 17:58 mmrozek File Added: CO3DP0000357844_I6-PS-02_24_13cm3.stp
2018-10-09 17:59 mmrozek File Added: gdb.bt


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