> On Dec 15, 2013, at 5:43, Petrus Hyvönen <petrus.hyvo...@gmail.com> wrote: > > Hi Andi, > > I see your point and have now kept in the pure python domain. > > If I run my script from the shell by "python script.py" it does not crash. > However if I execute it line-by-line in python it crashes (or in other tools > such as ipython notebook). > All classes used are non-wrapped java classes, but I get the same effect with > classes made for python subclassing. > I am getting this on both MacOSX 64-bit python and Windows 7 32-bit python. > > >>>> elDetector = >>>> elDetector.withHandler(ContinueOnEvent().of_(ElevationDetector)) > # > # A fatal error has been detected by the Java Runtime Environment: > # > # SIGSEGV (0xb) at pc=0x000000010005da1a, pid=3318, tid=1287 > # > # JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build > 1.7.0_45-b18) > # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode bsd-amd64 > compressed oops) > # Problematic frame: > # C [libpython2.7.dylib+0x5aa1a] PyObject_GetAttr+0x1a > # > > > from the stack it seems like there is somthing happening in "wrapType" > Stack: [0x00007fff5fb80000,0x00007fff5fc00000], sp=0x00007fff5fbff470, free > space=509k > Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native > code) > C [libpython2.7.dylib+0x5aa1a] PyObject_GetAttr+0x1a > C [_orekit.so+0xa80878] wrapType(_typeobject*, _jobject* const&)+0x58 > C [_orekit.so+0x554400] > org::orekit::propagation::events::t_AbstractReconfigurableDetector_withHandler(org::orekit::propagation::events::t_AbstractReconfigurableDetector*, > _object*)+0x1c0 > > First, is the generic class assignment correct as if to write "new > ContinueOnEvent<ElevationDetector>()" in java? And is it ok to use regular > java objects/types? > > Any other comments to move forward highly appriciated.. Is it somehow > possible to get more log what is going wrong?
You could compile the whole thing for debugging, by adding --debug after 'build' in the jcc invocation and run it with gdb. If you can isolate a reproducible crash into a small test case, I can also take a look at it. Andi.. > > WIth best regards > /Petrus > > > >> On 15 Dec 2013, at 2:40 , Andi Vajda <va...@apache.org> wrote: >> >> >>> On Dec 14, 2013, at 19:14, Petrus Hyvönen <petrus.hyvo...@gmail.com> wrote: >>> >>> Hi, >>> >>> I'm having a problem with I think might be related to generic types, but >>> not sure at all. >>> >>> I'm wrapping a orbit calculation library, which has been working well but >>> in latest version is using generic types and I'm getting some problems. The >>> script works when executed in plain python, but fails in ipython notebook >>> on this last line when executed as a couple of cells. >> >> What is an 'ipython notebook' ? >> >> Andi., >> >>> >>> The section with problem in my script is: >>> elDetector = >>> ElevationDetector(sta1Frame).withConstantElevation(math.radians(5.0)) >>> elDetector = >>> elDetector.withHandler(ContinueOnEvent().of_(ElevationDetector)) >>> >>> In Java it would typically look something like: >>> >>> ElevationDetector detector = new ElevationDetector(topo) >>> .withConstantElevation(x) >>> .withHandler(new >>> ContinueOnEvent<ElevationDetector>()); >>> >>> It produces correct results in plain python, but crashes the kernel in >>> ipython if executed as cells, and in exection from spyder I get an error >>> message: >>> >>> " elDetector = >>> elDetector.withHandler(ContinueOnEvent().of_(ElevationDetector)) >>> AttributeError: 'str' object has no attribute 'wrapfn_' " >>> >>> As I have been using this setup stabely with lots of other functions it >>> feels like there is something with the generic type line, but I don't >>> really know how to get any further? I'm confused by that the pauses in the >>> execution could seem to affect the result. >>> >>> Any comments highly appriciated... >>> >>> Best Regards >>> /Petrus >