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annotate Sphinx/source/faq/debugging.rst @ 595:14e1e84192b0
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 13 Jan 2021 09:24:08 +0100 |
| parents | 090cc988c35e |
| children | eaa6cdfa7ba6 |
| rev | line source |
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| 244 | 1 .. _debugging: |
| 2 | |
| 3 Debugging Orthanc | |
| 4 ================= | |
| 5 | |
| 6 If you experience an error within Orthanc (or one of its plugins), that | |
| 7 the troubleshooting sections (cf. :ref:`here <troubleshooting>` and | |
| 8 :ref:`here <dicom>`) do not help, and that you can't provide a robust | |
| 9 way to reproduce your issue by third-party developers, you'll have to | |
| 10 analyze the backtrace of Orthanc. | |
| 11 | |
| 12 If you observe a **fatal crash** of Orthanc, where Orthanc stops | |
| 13 abruptly (e.g. by creating a so-called "core dumped" or reporting an | |
| 14 invalid memory access), which rarely occurs, please check the | |
| 15 :ref:`dedicated section <crash>`). The present FAQ entry is rather | |
| 16 about C++ exceptions that are thrown by Orthanc, typically as a | |
| 17 consequence of invalid inputs, and that result in an error message | |
| 18 reported by Orthanc (not in a crash), and for which the :ref:`log | |
| 19 files in verbose mode <log>` do not provide meaningful information. | |
| 20 | |
| 21 **Important reminder:** Most issues with Orthanc can be solved by | |
| 541 | 22 carefully looking at the :ref:`Orthanc logs <log>` after starting |
| 23 Orthanc with the ``--verbose --trace-dicom`` command-line options! | |
| 244 | 24 |
| 25 | |
| 26 Any system | |
| 27 ---------- | |
| 28 | |
| 29 First :ref:`compile Orthanc by yourself <compiling>`, in debug mode by | |
| 30 setting ``-DCMAKE_BUILD_TYPE=Debug`` when invoking CMake. | |
| 31 | |
| 32 Then, learn how to use the debugger that is best suited to your | |
| 33 platform (e.g. Microsoft Visual Studio, gdb or Xcode). | |
| 34 | |
| 35 | |
| 36 GNU/Linux system using gdb | |
| 37 -------------------------- | |
| 38 | |
| 39 .. highlight:: bash | |
| 40 | |
| 41 The Orthanc project provides precompiled debug binaries that can be | |
| 42 run on almost any recent GNU/Linux system (generated thanks to the | |
| 43 `LSB - Linux Standard Base SDK | |
| 44 <https://en.wikipedia.org/wiki/Linux_Standard_Base>`__). This allows | |
| 45 to debug Orthanc without compiling from sources. Here is a sample | |
| 46 debug session:: | |
| 47 | |
| 568 | 48 $ wget https://lsb.orthanc-server.com/orthanc/debug/1.8.2/Orthanc |
| 244 | 49 $ chmod +x ./Orthanc |
| 50 $ gdb ./Orthanc Configuration.json | |
| 51 (gdb) catch throw | |
| 52 Catchpoint 1 (throw) | |
| 53 (gdb) run | |
| 568 | 54 W0513 15:24:42.374349 main.cpp:1436] Orthanc version: 1.8.2 |
| 244 | 55 ---> Reproduce your error case <--- |
| 56 Thread 15 "Orthanc" hit Catchpoint 1 (exception thrown), 0x00007ffff6de68bd in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 | |
| 57 (gdb) backtrace | |
| 58 #0 0x00007ffff6de68bd in __cxa_throw () | |
| 59 from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 | |
| 60 ... | |
| 61 | |
| 62 If you are unable to analyze such a backtrace by yourself, feel free | |
| 245 | 63 to post your backtrace on the `Orthanc forum |
| 244 | 64 <https://groups.google.com/forum/#!forum/orthanc-users>`__. |
| 65 | |
| 66 **Plugins:** Besides the Orthanc core, debug binaries of the official | |
| 67 plugins precompiled using the LSB are also available at the following | |
| 68 locations: | |
| 69 | |
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70 * `Orthanc core <https://lsb.orthanc-server.com/orthanc/debug/>`__ |
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71 * `DICOMweb plugin <https://lsb.orthanc-server.com/plugin-dicom-web/debug/>`__ |
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72 * `MySQL plugin <https://lsb.orthanc-server.com/plugin-mysql/debug/>`__ |
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73 * `Orthanc Web viewer <https://lsb.orthanc-server.com/plugin-webviewer/debug/>`__ |
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74 * `PostgreSQL plugin <https://lsb.orthanc-server.com/plugin-postgresql/debug/>`__ |
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75 * `Transfers accelerator plugin <https://lsb.orthanc-server.com/plugin-transfers/debug/>`__ |
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76 * `Whole-slide imaging <https://lsb.orthanc-server.com/whole-slide-imaging/debug/>`__ |
| 244 | 77 |
| 78 | |
| 79 Docker | |
| 80 ------ | |
| 81 | |
| 82 To be written. |