Collectives™ on Stack Overflow
Find centralized, trusted content and collaborate around the technologies you use most.
Learn more about Collectives 3votes
0answers
104views
Memory leak in JNI with AttachCurrentThread() and DetachCurrentThread()
I have a Java application that calls a native function. That native function has a loop and in each iteration launches 10 threads and waits for them to complete. Each thread just does a number of ...
- 6,010
0votes
0answers
96views
Calling Java from C using FFM [duplicate]
I've recently come across FFM as an alternative to JNI for Java-to-C communication. However, I'm struggling with it.Calling C from Java seems straightforward (downcalling). However, calling Java ...
- 299
6votes
0answers
451views
When should I use name resolution vs. RegisterNatives in JNI?
In System.c, the JVM function corresponding to Java’s System.currentTimeMillis() is registered using RegisterNatives.In contrast, System.identityHashCode(Object) calls a JVM function directly based ...
- 1,737
0votes
0answers
61views
AWS Kinesis Video Streams Producer JNI times out (StatusCode: 0xf) in Ubuntu container running gRPC service; REST container works
gRPC service consistently fails with KVS Producer JNI “producer stream creation time out StatusCode: 0xf” about ~15s after “Creating Kinesis Video stream”.REST service (same repo, same JNI .so, same ...
3votes
1answer
110views
What is a .so file in Java projects, and how can I use an old JAR that depends on .so files in Spring Boot?
I have an old Java JAR file that depends on .so files (shared object libraries).I understand .so files are native libraries (written in C/C++), and the JAR uses JNI (Java Native Interface) or JNA to ...
- 49
0votes
0answers
69views
Link third party C library through the JNI
I'm trying to add the wasmtime c-api library to my app. But I'm getting the following error at runtime:java.lang.UnsatisfiedLinkError: dlopen failed: library "/Users/tufekoi/Repos/...
- 1,041
0votes
0answers
21views
LOCAL_MODULE_FILENAME must not contain a file extension (Implementing GStreamer in Andriod Studio Project)
I am trying to integrate GStreamer via JNI into an existing Android Studio project.My Android.mk file looks like this:LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)LOCAL_MODULE := rtsp-...
0votes
0answers
65views
How to get Cronet Android headers to use with cronet.so in JNI (C++)?
I'm trying to use Cronet on Android directly from my JNI / C++ layer, not through the Java API.I already have the cronet.so (from Play Services / build output).What I'm missing are the headers (like ...
2votes
2answers
425views
Find out which third party library includes specific native library
I have a very large Android project with hundreds of 3rd party libraries.Some of those libraries have native .so libs inside then. I can see all .so files using Android Studio -> Analyze Apk... ...
- 7,502
0votes
0answers
82views
How to get information from a QR Code with Unreal Engine Android
I have very little experience with c++ or java and I want to make an Android app with Unreal Engine 5.3, which can either scan or be opened by scanning a QR Code and do something with the Information ...
- 41
0votes
0answers
135views
Java to C++ JNI DLL error - java.lang.UnsatisfiedLinkError: ... Can't find dependent libraries
Edit to describe the solution:During development, I was making changes to my path. If running java in a Command Prompt window, then that window must be closed and a new one opened to reflect changes ...
0votes
0answers
102views
JNI is not working correctly in flutter:ffi
I'm trying to call the function through the environment variable env, namely env->FindClass("android/os/BatteryManager"), but eventually the errorF/libc (27883): Fatal signal 11 (...
3votes
3answers
159views
How to handle EINTR in connect()?
I'm trying to handle EINTR error from POSIX connect call. I'm running on OSX this connect code:JNIEXPORT jint JNICALL Java_io_questdb_network_Net_connect (JNIEnv *e, jclass cl, jint fd, jlong ...
- 1,595
2votes
1answer
136views
Does the JNI provide direct access to _Atomic values for the respective Java Atomic classes?
When working with JNI, can the native side obtain an _Atomic int32_t* given a Java AtomicInteger reference, and run C atomic functions on it (e.g. atomic_fetch_add)?We could call Java's methods (e.g. ...
- 697
0votes
0answers
62views
Instantiate a class from within apk package then call a Java function from it using unidbg?
I use the following statement in unidbg to resolve a class from within an apk package:SampleClass = vm.resolveClass("path/to/class");Then, I use the SampleClass.callStaticJniMethodObject() ...
- 131
- The Overflow Blog
- Featured on Meta
Hot Network Questions
- Problem with the proof of Theorem 5.1.2 in Mac Lane's "Categories for the Working Mathematician"?
- Why do I get so many applications from Mekelle university students?
- How many Runway Holding Position markings are needed?
- About \def parameter list
- Movie about two immortals: a young girl and an older guy. The guy would collect and kill people for the girl to feed on
- Bash script for manually cleaning up the Traefik access log file and limiting it to a maximum of 50 MB
- In ITT, are all provable equalities in the empty context provable by refl?
- What does E.T. mean in E.T. the Extra-Terrestrial?
- Is a proper wire nut connection possible if wires don’t twist?
- Soft drinks in my office’s community fridge keeps disappearing. How to deal with this?
- Find Extreme UV data source for the Sun
- What is the meaning/utility of __[] AKA BlankSequence[][]?
- What is the point of All In?
- Why does JavaScript use autoboxing?
- Is there an asymmetric standard applied to zero probability events?
- Blind Spot Regarding the Correlation Coefficient
- Simple current source with bjt
- Why do different implementations produce different DER signatures for the same private key and hash?
- Why do my Raspberry Pi 5 SD cards have unwritable partition tables?
- Does the intersection of a variety with rational singularities with a smooth variety have rational singularities?
- Expected number of upsets in a knockout tournament
- Define Min and Max Values in Geometry Nodes Relatively to Another Mesh
- constexpr self-referencing struct
- Condensation of water droplets on one side of a bottle!