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fix: issue with class names in arrow-c jni calls #867

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Merged
merged 1 commit into from
Oct 3, 2025
Merged

fix: issue with class names in arrow-c jni calls #867

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15 changes: 8 additions & 7 deletions c/src/main/cpp/jni_wrapper.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -327,19 +327,20 @@ void ArrowArrayStreamRelease(ArrowArrayStream* stream) {

jint JNI_OnLoad(JavaVM* vm, void* reserved) {
JNIEnv* env;
if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION) != JNI_OK) {
return JNI_ERR;
const int err_code = vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION);
if (err_code != JNI_OK) {
return err_code;
}
JNI_METHOD_START
kObjectClass = CreateGlobalClassReference(env, "Ljava/lang/Object;");
kObjectClass = CreateGlobalClassReference(env, "java/lang/Object");
kRuntimeExceptionClass =
CreateGlobalClassReference(env, "Ljava/lang/RuntimeException;");
CreateGlobalClassReference(env, "java/lang/RuntimeException");
kPrivateDataClass =
CreateGlobalClassReference(env, "Lorg/apache/arrow/c/jni/PrivateData;");
CreateGlobalClassReference(env, "org/apache/arrow/c/jni/PrivateData");
kCDataExceptionClass =
CreateGlobalClassReference(env, "Lorg/apache/arrow/c/jni/CDataJniException;");
CreateGlobalClassReference(env, "org/apache/arrow/c/jni/CDataJniException");
kStreamPrivateDataClass = CreateGlobalClassReference(
env, "Lorg/apache/arrow/c/ArrayStreamExporter$ExportedArrayStreamPrivateData;");
env, "org/apache/arrow/c/ArrayStreamExporter$ExportedArrayStreamPrivateData");

kPrivateDataLastErrorField =
GetFieldID(env, kStreamPrivateDataClass, "lastError", "[B");
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