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  1. #1
    Super Member MarcoW's Avatar
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    Default Fatal errors in general: how to fix?

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    Hi all,

    I know there ain't a standard method to fix fatal errors...
    Every error has it's own cause, that I do understand.

    About 10 years ago I worked for a company that had a "help & support contract" for a certain autocad application. In those days, whenever I had a fatal error I could send the drawing to that helpdesk in "dxf" format.

    In most cases (if not all) they found the cause of the problem and fixed it. I'd get back the dxf file and import it.

    I believe that this methode would be used also whenever I had missing shape files etc. It was quit handy to have those guys.

    Since I work for another company there is no helpdesk to call. We are alone ...

    Can anyone tell me more about this? I mean like is this a known method that can be learned? Or where to read about it, how to recognize errors in the dxf file?

    I know that a dxf file is to be read with notepad but I don't have a clue what to search for.

    Any help would be much appreciated for now and then we encounter those fatal errors and it would be nice to solve the probs. Tnx.

  2. #2
    Quantum Mechanic ReMark's Avatar
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    Default

    Is it the program or the drawings that are generating the errors?
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

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  3. #3
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
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    ReMark's Discipline Details
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    CAD Draftsman/Designer...chemical manufacturing.
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    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
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    Default

    What are you doing when you get these fatal errors? As you point out yourself, there are many causes.

    What action do you take when you get a fatal error now? What steps do you follow to resolve the problem? Do you even have a step-by-step approach?
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  4. #4
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
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    Intel DX58SO2 LGA1366 X58
    CPU:
    Intel i7-960 Quad-core 3.20GHz 8MB cache
    RAM:
    12GB (3x4GB) PC3-106000 DDR3
    Graphics:
    nVidia Quadro 4000, 2GB GDDR5
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    Dell P24LLH - 24" wide screen LCD
    Discipline
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    ReMark's Discipline Details
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    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
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    Default

    DXF Reference in PDF format for various versions of AutoCAD can be obtained here.

    http://usa.autodesk.com/adsk/servlet...inkID=10809853
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  5. #5
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
    Operating System:
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    Intel DX58SO2 LGA1366 X58
    CPU:
    Intel i7-960 Quad-core 3.20GHz 8MB cache
    RAM:
    12GB (3x4GB) PC3-106000 DDR3
    Graphics:
    nVidia Quadro 4000, 2GB GDDR5
    Primary Storage:
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    Discipline
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    ReMark's Discipline Details
    Occupation
    CAD Draftsman/Designer...chemical manufacturing.
    Discipline
    See details below.
    Details
    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
    AutoCAD 2015
    Join Date
    Nov 2005
    Location
    Norwalk, CT USofA
    Posts
    40,462
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  6. #6
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
    Operating System:
    Windows 7 Pro 64-bit
    Computer:
    Thinkmate
    Motherboard:
    Intel DX58SO2 LGA1366 X58
    CPU:
    Intel i7-960 Quad-core 3.20GHz 8MB cache
    RAM:
    12GB (3x4GB) PC3-106000 DDR3
    Graphics:
    nVidia Quadro 4000, 2GB GDDR5
    Primary Storage:
    150GB Velocipraptor 10,000 rpm
    Secondary Storage:
    none
    Monitor:
    Dell P24LLH - 24" wide screen LCD
    Discipline
    See details...
    ReMark's Discipline Details
    Occupation
    CAD Draftsman/Designer...chemical manufacturing.
    Discipline
    See details below.
    Details
    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
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    Default

    AutoCAD DXF file structure as outlined in Wikipedia.

    < start quote here >

    File structure


    ASCII versions of DXF can be read with a text-editor. The basic organization of a DXF file is as follows:
    • HEADER section – General information about the drawing. Each parameter has a variable name and an associated value.
    • CLASSES section – Holds the information for application-defined classes whose instances appear in the BLOCKS, ENTITIES, and OBJECTS sections of the database. Generally does not provide sufficient information to allow interoperability with other programs.
    • TABLES section – This section contains definitions of named items.
    Application ID (APPID) table Block Record (BLOCK_RECORD) table Dimension Style (DIMSTYPE) table Layer (LAYER) table Linetype (LTYPE) table Text style (STYLE) table User Coordinate System (UCS) table View (VIEW) table Viewport configuration (VPORT) table
    • BLOCKS section – This section contains Block Definition entities describing the entities comprising each Block in the drawing.
    • ENTITIES section – This section contains the drawing entities, including any Block References.
    • OBJECTS section – Contains the data that apply to nongraphical objects, used by AutoLISP and ObjectARX applications.
    • THUMBNAILIMAGE section – Contains the preview image for the DXF file.
    • END OF FILE
    The data format of a DXF is called a "tagged data" format which "means that each data element in the file is preceded by an integer number that is called a group code. A group code's value indicates what type of data element follows. This value also indicates the meaning of a data element for a given object (or record) type. Virtually all user-specified information in a drawing file can be represented in DXF format."

    < end quote here >

    OK. The rest is up to you. Good luck.
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  7. #7
    Super Member MarcoW's Avatar
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    Default

    Thanks for the replies

    Whenever I have a fatal error now I go back so the automatic save file wich is saved every 3 minutes. So only the last 3 minutes are missing. Next is to open the drawing with the recover tool (file - drawing utilities - recover). After that I purge and audit the drawing and save it under the original name in the original place (overwrite).

    Most of the time it has improved and the error stays awa .

    Considering the above I must say that the problems most of the time lie in the drawing itself, not the program.

    I will dig in to the suff you provided to me: a quick look told me that it is a whole new world to explore and I wonder if there are some clues / hints that i can follow.

    Thanks again.

  8. #8
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
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    Intel DX58SO2 LGA1366 X58
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    Intel i7-960 Quad-core 3.20GHz 8MB cache
    RAM:
    12GB (3x4GB) PC3-106000 DDR3
    Graphics:
    nVidia Quadro 4000, 2GB GDDR5
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    Dell P24LLH - 24" wide screen LCD
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    ReMark's Discipline Details
    Occupation
    CAD Draftsman/Designer...chemical manufacturing.
    Discipline
    See details below.
    Details
    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
    AutoCAD 2015
    Join Date
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    Location
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    Posts
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    Default

    What is the source of the drawings?

    I can count on one hand the number of fatal errors I've had over the past ten years. Yet, you get them consistently. That's something I cannot understand or explain.

    Are you up-to-date with the service pack for 2007?

    What OS are you using? Do you keep it current with critical updates?

    Do you use Xrefs and Scalelists?
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  9. #9
    Quantum Mechanic ReMark's Avatar
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    ReMark's Computer Details
    Operating System:
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    Thinkmate
    Motherboard:
    Intel DX58SO2 LGA1366 X58
    CPU:
    Intel i7-960 Quad-core 3.20GHz 8MB cache
    RAM:
    12GB (3x4GB) PC3-106000 DDR3
    Graphics:
    nVidia Quadro 4000, 2GB GDDR5
    Primary Storage:
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    ReMark's Discipline Details
    Occupation
    CAD Draftsman/Designer...chemical manufacturing.
    Discipline
    See details below.
    Details
    I work for a specialty chemical manufacturer. I do a little bit of everything from P&IDs to civil to architectural and structural.
    Using
    AutoCAD 2015
    Join Date
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    Location
    Norwalk, CT USofA
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    Default

    What type of fatal errors are you seeing?

    Can you post an example of the error message that is displayed?

    Three typical fatal errors are:

    -unhandled access violation
    -unhandled exception
    -out of memory
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  10. #10
    Super Member MarcoW's Avatar
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    MarcoW's Computer Details
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    Intel Xeon E5520 Quad Core
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    Graphics:
    NVIDIA Quadro FX 580 - 512MB
    Primary Storage:
    300 GB 10000 RPM
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    Default

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    I can count on one hand the number of fatal errors I've had over the past ten years. Yet, you get them consistently.
    No to daily or weekly but sometimes.

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