我一直在编写Java版本的FaceRecognizer库。我可以在我的Java OpenCV项目中成功初始化一个新的FaceRecognizer(Fisherface作为默认设置)。我用JNA来完成这个任务。但最近,我发现“火车”方法有错误,所以我决定在DLL文件中完成整个识别并最终返回一个double值。但是,当我做了一个新的FaceRecognizer这样的:Opencv JNA和C++ FaceRecognizer导致JVM崩溃
Ptr<FaceRecognizer> model = Algorithm::create<FaceRecognizer>("FaceRecognizer.Fisherfaces");
或
Ptr<FaceRecognizer> model = createFisherFaceRecognizer();
它编译并成功打造!但是,当我用它们来培养这样的:
model->train(libList,idList);
(libList为载体,IDLIST是矢量)
的JVM(通过JNA到我的Java项目的OpenCV)。
它说:
A fatal error has been detected by the Java Runtime Environment:
EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x60b2510b, pid=31264, tid=13256
Problematic frame:
C [opencv_core248.dll+0x510b]
我猜这是什么做参考或指针,因为即使我跑
model->name();
也崩溃。似乎它是“模型”的问题。 我真的很感谢你的帮助!非常感谢你!
这是文件中记录:
--------------- T H R E A D ---------------
Current thread (0x0008bc00): JavaThread "main" [_thread_in_native, id=13256, stack(0x01070000,0x010c0000)]
siginfo: ExceptionCode=0xc0000005, reading address 0x00000000
Registers:
EAX=0x010bf098, EBX=0x00000000, ECX=0x00000000, EDX=0x08da0174
ESP=0x010bf08c, EBP=0x010bf0a4, ESI=0x010bf0b0, EDI=0x010bf3e4
EIP=0x60b2510b, EFLAGS=0x00010286
Top of Stack: (sp=0x010bf08c)
0x010bf08c: bdaf0099 010bf0b0 00000000 010bf3e4
0x010bf09c: 60c941e9 ffffffff 010bf3f0 61e42598
0x010bf0ac: 010bf198 bdac87d8 010bf490 00000000
0x010bf0bc: 00000000 010bf148 010bf148 010bf120
0x010bf0cc: 010bf120 cccccccc 00000000 cccccccc
0x010bf0dc: cccccccc 42ff0000 00000000 00000000
0x010bf0ec: 00000000 00000000 00000000 00000000
0x010bf0fc: 00000000 00000000 00000000 010bf0e8
Instructions: (pc=0x60b2510b)
0x60b250eb: a1 00 00 00 00 50 51 56 a1 e0 37 d1 60 33 c5 50
0x60b250fb: 8d 45 f4 64 a3 00 00 00 00 c7 45 f0 00 00 00 00
0x60b2510b: 8b 01 8b 75 08 8b 50 0c 56 ff d2 8b c8 e8 e3 f7
0x60b2511b: ff ff c7 45 fc 00 00 00 00 c7 45 f0 01 00 00 00
Register to memory mapping:
EAX=0x010bf098 is pointing into the stack for thread: 0x0008bc00
EBX=0x00000000 is an unknown value
ECX=0x00000000 is an unknown value
EDX=0x08da0174 is an unknown value
ESP=0x010bf08c is pointing into the stack for thread: 0x0008bc00
EBP=0x010bf0a4 is pointing into the stack for thread: 0x0008bc00
ESI=0x010bf0b0 is pointing into the stack for thread: 0x0008bc00
EDI=0x010bf3e4 is pointing into the stack for thread: 0x0008bc00
什么是:Ptr?如果它持有指向某个分配的指针,并在函数返回时被销毁(如'std :: unique_ptr'),那就是您的访问冲突的地方。你能显示'整个'日志文件吗?也很高兴看到JNI代码(代码将数据传递给java端)。 –
Brandon
是的,请显示jni包装方法。 – berak
我完成我的项目后,我会在我的博客上分享它,但我需要帮助。我发现内存地址被创建,但内存地址的值是NULL。另外,当我要求算法为“getList”时,它也会崩溃。任何调用指针或引用的东西都会让我觉得这是“createFisherFaceRecognizer()”问题。我认为这是与我可能错过的图书馆进口。你的想法? –