Getting an ART error, Android, Bluetooth

Ala ala · wrote on 31 Mar 2016, 09:51

I developed an app in Qt and it sometimes crashes. I get the following error:

F/art (19932): art/runtime/runtime.cc:295] Dumping all threads without appropriate locks held: thread list lock mutator lock

Do you have any suggestion why the app is not running correctly? How can I remove these crashes?

The lines below is what I get when the crashes happen :

Uruchamianie zdalnego procesu.I/ActivityManager(  871): Start proc 19932:org.qtproject.example.Waga_Przeplywowa/u0a850 for activity org.qtproject.example.Waga_Przeplywowa/org.qtproject.qt5.android.bindings.QtActivity
I/art     (19932): Late-enabling -Xcheck:jni
W/ResourceType(19932): Found multiple library tables, ignoring...
W/ActivityThread(19932): Application org.qtproject.example.Waga_Przeplywowa can be debugged on port 8100...
I/Qt      (19932): qt start
I/Adreno-EGL(19932): <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LA.BF.1.1.1_RB1.05.01.00.042.030_msm8974_LA.BF.1.1.1_RB1__release_AU ()
I/Adreno-EGL(19932): OpenGL ES Shader Compiler Version: E031.25.03.06
I/Adreno-EGL(19932): Build Date: 07/13/15 Mon
I/Adreno-EGL(19932): Local Branch: mybranch11906725
I/Adreno-EGL(19932): Remote Branch: quic/LA.BF.1.1.1_rb1.26
I/Adreno-EGL(19932): Local Patches: NONE
I/Adreno-EGL(19932): Reconstruct Branch: AU_LINUX_ANDROID_LA.BF.1.1.1_RB1.05.01.00.042.030 + 6151be1 + a1e0343 + 002d7d6 + 7d0e3f7 +  NOTHING
D/OpenGLRenderer(19932): Use EGL_SWAP_BEHAVIOR_PRESERVED: true
D/Atlas   (19932): Validating map...
I/OpenGLRenderer(19932): Initialized EGL, version 1.4
D/Qt      (19932): fontdatabases\basic\qbasicfontdatabase.cpp:239 (static QStringList QBasicFontDatabase::addTTFile(const QByteArray&, const QByteArray&, QSupportedWritingSystems*)): FT_New_Face failed with index 0 : 90
D/OpenGLRenderer(19932): Enabling debug mode 0
D/Qt      (19932): ../waga_przeplywowa/okno_glowne.cpp:14 (Okno_glowne::Okno_glowne(QWidget*)):
D/Qt      (19932):
D/Qt      (19932): Wersja do debugowania.
D/Qt      (19932):
D/Qt      (19932):
D/Qt      (19932): ../waga_przeplywowa/okno_glowne.cpp:15 (Okno_glowne::Okno_glowne(QWidget*)): Program waga_przeplywowa,  data kompilacji: Mar 30 2016, 14:42:52.
D/Qt      (19932):
I/Timeline(19932): Timeline: Activity_idle id: android.os.BinderProxy@2555e83f time:2661889
W/Qt      (19932): kernel\qobject.cpp:2694 (static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)): QObject::connect: Incompatible sender/receiver arguments
W/Qt      (19932):         QBluetoothLocalDevice::pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing) --> Bluetooth::pairingDone(QBluetoothLocalDevice::Pairing)
W/Qt      (19932): kernel\qobject.cpp:2694 (static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)): QObject::connect: Incompatible sender/receiver arguments
W/Qt      (19932):         QBluetoothLocalDevice::pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing) --> Bluetooth::pairingDone(QBluetoothLocalDevice::Pairing)
W/Qt      (19932): kernel\qobject.cpp:777 (bool check_parent_thread(QObject*, QThreadData*, QThreadData*)): QObject: Cannot create children for a parent that is in a different thread.
W/Qt      (19932): (Parent is QBluetoothServiceDiscoveryAgent(0xb4b38e00), parent's thread is QThread(0xb4803fd8), current thread is Bluetooth(0xb4b490a0)
W/Qt      (19932): qbluetoothservicediscoveryagent_android.cpp:188 (void QBluetoothServiceDiscoveryAgentPrivate::start(const QBluetoothAddress&)): qt.bluetooth.android: Cannot retrieve SDP UUIDs for "PAWEŁ" ( "AC:D1:B8:CD:57:92" )
F/art     (19932): art/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: can't call java.lang.String java.lang.String.toString() on instance of android.os.ParcelUuid
F/art     (19932): art/runtime/check_jni.cc:65]     in call to CallObjectMethodV
F/art     (19932): art/runtime/check_jni.cc:65] "QtThread-18446744072451751936" prio=5 tid=15 Runnable
F/art     (19932): art/runtime/check_jni.cc:65]   | group="main" sCount=0 dsCount=0 obj=0x12d3b1c0 self=0xb49d0800
F/art     (19932): art/runtime/check_jni.cc:65]   | sysTid=19975 nice=0 cgrp=default sched=0/0 handle=0xb5078000
F/art     (19932): art/runtime/check_jni.cc:65]   | state=R schedstat=( 5680987765 1698293807 5170 ) utm=516 stm=52 core=0 HZ=100
F/art     (19932): art/runtime/check_jni.cc:65]   | stack=0xaeb04000-0xaeb06000 stackSize=1012KB
F/art     (19932): art/runtime/check_jni.cc:65]   | held mutexes= "mutator lock"(shared held)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #00 pc 0000484c  /system/lib/libbacktrace_libc++.so (UnwindCurrent::Unwind(unsigned int, ucontext*)+23)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #01 pc 00003031  /system/lib/libbacktrace_libc++.so (Backtrace::Unwind(unsigned int, ucontext*)+8)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #02 pc 00242f8b  /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, int, char const*, art::mirror::ArtMethod*, BacktraceMap*)+70)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #03 pc 002276af  /system/lib/libart.so (art::Thread::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, BacktraceMap*) const+154)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #04 pc 000b006d  /system/lib/libart.so (art::JniAbort(char const*, char const*)+584)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #05 pc 000b07b5  /system/lib/libart.so (art::JniAbortF(char const*, char const*, ...)+60)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #06 pc 000b1543  /system/lib/libart.so (art::ScopedCheck::CheckVirtualMethod(_jobject*, _jmethodID*)+250)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #07 pc 000b805b  /system/lib/libart.so (art::CheckJNI::CallObjectMethodV(_JNIEnv*, _jobject*, _jmethodID*, std::__va_list)+70)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #08 pc 001e96e5  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QJNIObjectPrivate::callObjectMethod(char const*, char const*, std::__va_list) const+68)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #09 pc 001e9747  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QJNIObjectPrivate::callObjectMethod(char const*, char const*, ...) const+18)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #10 pc 000087dd  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5AndroidExtras.so (QAndroidJniObject QAndroidJniObject::callObjectMethod<_jstring*>(char const*) const+12)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #11 pc 00010aef  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #12 pc 0001634f  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #13 pc 0000d403  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #14 pc 00016345  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #15 pc 0000d403  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #16 pc 0000d463  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #17 pc 001ca7ad  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QMetaCallEvent::placeMetaCall(QObject*)+64)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #18 pc 001cd04b  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QObject::event(QEvent*)+534)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #19 pc 000d62ef  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Widgets.so (QApplicationPrivate::notify_helper(QObject*, QEvent*)+104)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #20 pc 000d94e7  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Widgets.so (QApplication::notify(QObject*, QEvent*)+3430)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #21 pc 001ad113  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplication::notifyInternal(QObject*, QEvent*)+62)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #22 pc 001af4c1  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+336)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #23 pc 001e35dd  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+28)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #24 pc 0004fcdd  /data/data/org.qtproject.example.Waga_Przeplywowa/qt-reserved-files/plugins/platforms/android/libqtforandroid.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #25 pc 001ac1bb  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+14)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #26 pc 001ac8b9  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+232)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #27 pc 001b13a1  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplication::exec()+84)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #28 pc 0001c824  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libWaga_Przeplywowa.so (main+168)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #29 pc 00018149  /data/data/org.qtproject.example.Waga_Przeplywowa/qt-reserved-files/plugins/platforms/android/libqtforandroid.so (???)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #30 pc 0001402b  /system/lib/libc.so (__pthread_start(void*)+30)
F/art     (19932): art/runtime/check_jni.cc:65]   native: #31 pc 00011f73  /system/lib/libc.so (__start_thread+6)
F/art     (19932): art/runtime/check_jni.cc:65]   (no managed stack frames)
F/art     (19932): art/runtime/check_jni.cc:65]
F/art     (19932): art/runtime/runtime.cc:295] Runtime aborting...
F/art     (19932): art/runtime/runtime.cc:295] Aborting thread:
F/art     (19932): art/runtime/runtime.cc:295] "QtThread-18446744072451751936" prio=5 tid=15 Native
F/art     (19932): art/runtime/runtime.cc:295]   | group="" sCount=0 dsCount=0 obj=0x12d3b1c0 self=0xb49d0800
F/art     (19932): art/runtime/runtime.cc:295]   | sysTid=19975 nice=0 cgrp=default sched=0/0 handle=0xb5078000
F/art     (19932): art/runtime/runtime.cc:295]   | state=R schedstat=( 5701778651 1700454223 5187 ) utm=518 stm=52 core=0 HZ=100
F/art     (19932): art/runtime/runtime.cc:295]   | stack=0xaeb04000-0xaeb06000 stackSize=1012KB
F/art     (19932): art/runtime/runtime.cc:295]   | held mutexes= "abort lock" "mutator lock"(shared held)
F/art     (19932): art/runtime/runtime.cc:295]   native: #00 pc 0000484c  /system/lib/libbacktrace_libc++.so (UnwindCurrent::Unwind(unsigned int, ucontext*)+23)
F/art     (19932): art/runtime/runtime.cc:295]   native: #01 pc 00003031  /system/lib/libbacktrace_libc++.so (Backtrace::Unwind(unsigned int, ucontext*)+8)
F/art     (19932): art/runtime/runtime.cc:295]   native: #02 pc 00242f8b  /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, int, char const*, art::mirror::ArtMethod*, BacktraceMap*)+70)
F/art     (19932): art/runtime/runtime.cc:295]   native: #03 pc 002276af  /system/lib/libart.so (art::Thread::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, BacktraceMap*) const+154)
F/art     (19932): art/runtime/runtime.cc:295]   native: #04 pc 0021765d  /system/lib/libart.so (art::AbortState::DumpThread(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, art::Thread*)+24)
F/art     (19932): art/runtime/runtime.cc:295]   native: #05 pc 0021790d  /system/lib/libart.so (art::AbortState::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)+436)
F/art     (19932): art/runtime/runtime.cc:295]   native: #06 pc 00217ae1  /system/lib/libart.so (art::Runtime::Abort()+72)
F/art     (19932): art/runtime/runtime.cc:295]   native: #07 pc 000a654b  /system/lib/libart.so (art::LogMessage::~LogMessage()+1322)
F/art     (19932): art/runtime/runtime.cc:295]   native: #08 pc 000b025b  /system/lib/libart.so (art::JniAbort(char const*, char const*)+1078)
F/art     (19932): art/runtime/runtime.cc:295]   native: #09 pc 000b07b5  /system/lib/libart.so (art::JniAbortF(char const*, char const*, ...)+60)
F/art     (19932): art/runtime/runtime.cc:295]   native: #10 pc 000b1543  /system/lib/libart.so (art::ScopedCheck::CheckVirtualMethod(_jobject*, _jmethodID*)+250)
F/art     (19932): art/runtime/runtime.cc:295]   native: #11 pc 000b805b  /system/lib/libart.so (art::CheckJNI::CallObjectMethodV(_JNIEnv*, _jobject*, _jmethodID*, std::__va_list)+70)
F/art     (19932): art/runtime/runtime.cc:295]   native: #12 pc 001e96e5  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QJNIObjectPrivate::callObjectMethod(char const*, char const*, std::__va_list) const+68)
F/art     (19932): art/runtime/runtime.cc:295]   native: #13 pc 001e9747  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QJNIObjectPrivate::callObjectMethod(char const*, char const*, ...) const+18)
F/art     (19932): art/runtime/runtime.cc:295]   native: #14 pc 000087dd  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5AndroidExtras.so (QAndroidJniObject QAndroidJniObject::callObjectMethod<_jstring*>(char const*) const+12)
F/art     (19932): art/runtime/runtime.cc:295]   native: #15 pc 00010aef  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #16 pc 0001634f  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #17 pc 0000d403  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #18 pc 00016345  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #19 pc 0000d403  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #20 pc 0000d463  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Bluetooth.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #21 pc 001ca7ad  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QMetaCallEvent::placeMetaCall(QObject*)+64)
F/art     (19932): art/runtime/runtime.cc:295]   native: #22 pc 001cd04b  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QObject::event(QEvent*)+534)
F/art     (19932): art/runtime/runtime.cc:295]   native: #23 pc 000d62ef  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Widgets.so (QApplicationPrivate::notify_helper(QObject*, QEvent*)+104)
F/art     (19932): art/runtime/runtime.cc:295]   native: #24 pc 000d94e7  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Widgets.so (QApplication::notify(QObject*, QEvent*)+3430)
F/art     (19932): art/runtime/runtime.cc:295]   native: #25 pc 001ad113  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplication::notifyInternal(QObject*, QEvent*)+62)
F/art     (19932): art/runtime/runtime.cc:295]   native: #26 pc 001af4c1  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+336)
F/art     (19932): art/runtime/runtime.cc:295]   native: #27 pc 001e35dd  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+28)
F/art     (19932): art/runtime/runtime.cc:295]   native: #28 pc 0004fcdd  /data/data/org.qtproject.example.Waga_Przeplywowa/qt-reserved-files/plugins/platforms/android/libqtforandroid.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #29 pc 001ac1bb  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+14)
F/art     (19932): art/runtime/runtime.cc:295]   native: #30 pc 001ac8b9  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+232)
F/art     (19932): art/runtime/runtime.cc:295]   native: #31 pc 001b13a1  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libQt5Core.so (QCoreApplication::exec()+84)
F/art     (19932): art/runtime/runtime.cc:295]   native: #32 pc 0001c824  /data/app/org.qtproject.example.Waga_Przeplywowa-1/lib/arm/libWaga_Przeplywowa.so (main+168)
F/art     (19932): art/runtime/runtime.cc:295]   native: #33 pc 00018149  /data/data/org.qtproject.example.Waga_Przeplywowa/qt-reserved-files/plugins/platforms/android/libqtforandroid.so (???)
F/art     (19932): art/runtime/runtime.cc:295]   native: #34 pc 0001402b  /system/lib/libc.so (__pthread_start(void*)+30)
F/art     (19932): art/runtime/runtime.cc:295]   native: #35 pc 00011f73  /system/lib/libc.so (__start_thread+6)
F/art     (19932): art/runtime/runtime.cc:295]   (no managed stack frames)
F/art     (19932): art/runtime/runtime.cc:295] Dumping all threads without appropriate locks held: thread list lock mutator lock
F/art     (19932): art/runtime/runtime.cc:295]
F/libc    (19932): Fatal signal 6 (SIGABRT), code -6 in tid 19975 (QtThread-184467)
I/DEBUG   (  332): pid: 19932, tid: 19975, name: QtThread-184467  >>> org.qtproject.example.Waga_Przeplywowa <<<
E/lowmemorykiller(  287): Error writing /proc/19932/oom_score_adj; errno=22
I/Zygote  (  360): Process 19932 exited due to signal (6)
I/ActivityManager(  871): Process org.qtproject.example.Waga_Przeplywowa (pid 19932) has died


"org.qtproject.example.Waga_Przeplywowa" zakończył pracę.

I think it is something connected to bluetooth.

jsulm · wrote on 31 Mar 2016, 11:41

The actual error is:
W/Qt (19932): qbluetoothservicediscoveryagent_android.cpp:188 (void QBluetoothServiceDiscoveryAgentPrivate::start(const QBluetoothAddress&)): qt.bluetooth.android: Cannot retrieve SDP UUIDs for "PAWEŁ" ( "AC:D1:B8:CD:57:92" )
F/art (19932): art/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: can't call java.lang.String java.lang.String.toString() on instance of android.os.ParcelUuid
F/art (19932): art/runtime/check_jni.cc:65] in call to CallObjectMethodV

It looks like you try to call toString() on android.os.ParcelUuid which does not have such a method.

Ala ala · wrote on 31 Mar 2016, 15:47

You have right. It repeat in all logs:

F/art     (29577): art/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: can't call java.lang.String java.lang.String.toString() on instance of android.os.ParcelUuid
F/art     (29577): art/runtime/check_jni.cc:65]     in call to CallObjectMethodV

Do you have suggestion what i can change?

Normally program goes correctly, only sometimes this problem occurs.
The lines below is how i handle discovered service:

void Bluetooth::serviceDiscovered(const QBluetoothServiceInfo &serviceInfo)
{
    if (serviceInfo.serviceName().isEmpty())
        return;

    QBluetoothAddress address = serviceInfo.device().address();
    QString name = serviceInfo.device().name();

    QString nazwa_Waga = "WagaPrze";
    QString label = QString("%1 %2").arg(address.toString()).arg(name);
    if(findWagaOnList(label) == -1 && name == nazwa_Waga)
    {
        Waga_Form* newStab = new Waga_Form();
        newStab->stab.label = label;
        newStab->stab.address = address;
        newStab->stab.serviceInfo = serviceInfo;

        QBluetoothLocalDevice::Pairing pairingStatus =
                localDevice->pairingStatus(address);
        if (pairingStatus == QBluetoothLocalDevice::Paired ||
                pairingStatus == QBluetoothLocalDevice::AuthorizedPaired )
            newStab->stab.paired = true;

        list.push_back(newStab);
    }
}

Ala ala · wrote on 1 Apr 2016, 09:22

It Looks like this problem appear after I start QBluetoothServiceDiscoveryAgent->start and before The program enter to QBluetoothServiceDiscoveryAgent->serviceDiscovered.

It means that this method (java.lang.String java.lang.String.toString()) is call in QBluetoothServiceDiscoveryAgent.

I updated SDK and nothing has changed.

Should i write this in java, becouse with QBluetoothServiceDiscoveryAgent is something wrong?