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• Problems with Python's azure.cognitiveservices.speech when installing together with FFmpeg in a Linux web app

  15 mai 2024, par Kakobo kakobo

  I need some help.
I'm building an web app that takes any audio format, converts into a .wav file and then passes it to 'azure.cognitiveservices.speech' for transcription.I'm building the web app via a container Dockerfile as I need to install ffmpeg to be able to convert non ".wav" audio files to ".wav" (as azure speech services only process wav files). For some odd reason, the 'speechsdk' class of 'azure.cognitiveservices.speech' fails to work when I install ffmpeg in the web app. The class works perfectly fine when I install it without ffpmeg or when i build and run the container in my machine.

  


  I have placed debug print statements in the code. I can see the class initiating, for some reason it does not buffer in the same when when running it locally in my machine. The routine simply stops without any reason.

  


  Has anybody experienced a similar issue with azure.cognitiveservices.speech conflicting with ffmpeg ?

  


  Here's my Dockerfile :

  


  # Use an official Python runtime as a parent imageFROM python:3.11-slim

#Version RunRUN echo "Version Run 1..."

Install ffmpeg

RUN apt-get update && apt-get install -y ffmpeg && # Ensure ffmpeg is executablechmod a+rx /usr/bin/ffmpeg && # Clean up the apt cache by removing /var/lib/apt/lists saves spaceapt-get clean && rm -rf /var/lib/apt/lists/*

//Set the working directory in the container

WORKDIR /app

//Copy the current directory contents into the container at /app

COPY . /app

//Install any needed packages specified in requirements.txt

RUN pip install --no-cache-dir -r requirements.txt

//Make port 80 available to the world outside this container

EXPOSE 8000

//Define environment variable

ENV NAME World

//Run main.py when the container launches

CMD ["streamlit", "run", "main.py", "--server.port", "8000", "--server.address", "0.0.0.0"]`and here's my python code:


  


  def transcribe_audio_continuous_old(temp_dir, audio_file, language):
    speech_key = azure_speech_key
    service_region = azure_speech_region

    time.sleep(5)
    print(f"DEBUG TIME BEFORE speechconfig")

    ran = generate_random_string(length=5)
    temp_file = f"transcript_key_{ran}.txt"
    output_text_file = os.path.join(temp_dir, temp_file)
    speech_recognition_language = set_language_to_speech_code(language)
    
    speech_config = speechsdk.SpeechConfig(subscription=speech_key, region=service_region)
    speech_config.speech_recognition_language = speech_recognition_language
    audio_input = speechsdk.AudioConfig(filename=os.path.join(temp_dir, audio_file))
        
    speech_recognizer = speechsdk.SpeechRecognizer(speech_config=speech_config, audio_config=audio_input, language=speech_recognition_language)
    done = False
    transcript_contents = ""

    time.sleep(5)
    print(f"DEBUG TIME AFTER speechconfig")
    print(f"DEBUG FIle about to be passed {audio_file}")

    try:
        with open(output_text_file, "w", encoding=encoding) as file:
            def recognized_callback(evt):
                print("Start continuous recognition callback.")
                print(f"Recognized: {evt.result.text}")
                file.write(evt.result.text + "\n")
                nonlocal transcript_contents
                transcript_contents += evt.result.text + "\n"

            def stop_cb(evt):
                print("Stopping continuous recognition callback.")
                print(f"Event type: {evt}")
                speech_recognizer.stop_continuous_recognition()
                nonlocal done
                done = True
            
            def canceled_cb(evt):
                print(f"Recognition canceled: {evt.reason}")
                if evt.reason == speechsdk.CancellationReason.Error:
                    print(f"Cancellation error: {evt.error_details}")
                nonlocal done
                done = True

            speech_recognizer.recognized.connect(recognized_callback)
            speech_recognizer.session_stopped.connect(stop_cb)
            speech_recognizer.canceled.connect(canceled_cb)

            speech_recognizer.start_continuous_recognition()
            while not done:
                time.sleep(1)
                print("DEBUG LOOPING TRANSCRIPT")

    except Exception as e:
        print(f"An error occurred: {e}")

    print("DEBUG DONE TRANSCRIPT")

    return temp_file, transcript_contents


  


  The transcript this callback works fine locally, or when installed without ffmpeg in the linux web app. Not sure why it conflicts with ffmpeg when installed via container dockerfile. The code section that fails can me found on note #NOTE DEBUG"

  


• Android java.lang.UnsatisfiedLinkError : android error for .so libraries

  14 septembre 2017, par Burak iren

  so libraries to my project for ffmpeg camera but I have got some errors when I load the library.

  I’m getting error like that "java.lang.UnsatisfiedLinkError : android" .

  My .so files directory is src-main-jniLibs-armeabi - so files. When I loading the so file gettting error I can’t load the so file. I have tried many answer but still going this error.

  If you want other config files I can load here.

  Error log is here also

  09-14 17:40:33.739 19728-20196/? E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #6
  
                                                 Process: com.leadtimeapp.io.internal.debug, PID: 19728
  
                                                 java.lang.RuntimeException: An error occurred while executing doInBackground()
  
                                                     at android.os.AsyncTask$3.done(AsyncTask.java:309)
  
                                                     at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
  
                                                     at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
  
                                                     at java.util.concurrent.FutureTask.run(FutureTask.java:242)
  
                                                     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
  
                                                     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
  
                                                     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
  
                                                     at java.lang.Thread.run(Thread.java:818)
  
                                                  Caused by: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.leadtimeapp.io.internal.debug-2/base.apk"],nativeLibraryDirectories=[/data/app/com.leadtimeapp.io.internal.debug-2/lib/arm64, /data/app/com.leadtimeapp.io.internal.debug-2/base.apk!/lib/arm64-v8a, /vendor/lib64, /system/lib64]]] couldn't find "libjniavformat.so"
  
                                                     at java.lang.Runtime.loadLibrary(Runtime.java:367)
  
                                                     at java.lang.System.loadLibrary(System.java:1076)
  
                                                     at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:711)
  
                                                     at com.googlecode.javacpp.Loader.load(Loader.java:586)
  
                                                     at com.googlecode.javacpp.Loader.load(Loader.java:540)
  
                                                     at com.googlecode.javacv.cpp.avformat.<clinit>(avformat.java:40)
  
                                                     at com.googlecode.javacv.cpp.avformat.av_register_all(Native Method)
  
                                                     at com.leadtimeapp.io.ffmpeg.NewFFmpegFrameRecorder.<clinit>(NewFFmpegFrameRecorder.java:302)
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity.initVideoRecorder(FFmpegRecorderActivity.java:464)
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity.access$1400(FFmpegRecorderActivity.java:66)
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity$2.doInBackground(FFmpegRecorderActivity.java:368)
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity$2.doInBackground(FFmpegRecorderActivity.java:360)
  
                                                     at android.os.AsyncTask$2.call(AsyncTask.java:295)
  
                                                     at java.util.concurrent.FutureTask.run(FutureTask.java:237)
  
                                                     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234) 
  
                                                     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) 
  
                                                     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) 
  
                                                     at java.lang.Thread.run(Thread.java:818) 
  
                                                  Caused by: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.leadtimeapp.io.internal.debug-2/base.apk"],nativeLibraryDirectories=[/data/app/com.leadtimeapp.io.internal.debug-2/lib/arm64, /data/app/com.leadtimeapp.io.internal.debug-2/base.apk!/lib/arm64-v8a, /vendor/lib64, /system/lib64]]] couldn't find "libavformat.so"
  
                                                     at java.lang.Runtime.loadLibrary(Runtime.java:367)
  
                                                     at java.lang.System.loadLibrary(System.java:1076)
  
                                                     at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:711)
  
                                                     at com.googlecode.javacpp.Loader.load(Loader.java:577)
  
                                                     at com.googlecode.javacpp.Loader.load(Loader.java:540) 
  
                                                     at com.googlecode.javacv.cpp.avformat.<clinit>(avformat.java:40) 
  
                                                     at com.googlecode.javacv.cpp.avformat.av_register_all(Native Method) 
  
                                                     at com.leadtimeapp.io.ffmpeg.NewFFmpegFrameRecorder.<clinit>(NewFFmpegFrameRecorder.java:302) 
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity.initVideoRecorder(FFmpegRecorderActivity.java:464) 
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity.access$1400(FFmpegRecorderActivity.java:66) 
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity$2.doInBackground(FFmpegRecorderActivity.java:368) 
  
                                                     at com.leadtimeapp.io.ffmpeg.FFmpegRecorderActivity$2.doInBackground(FFmpegRecorderActivity.java:360) 
  
                                                     at android.os.AsyncTask$2.call(AsyncTask.java:295) 
  
                                                     at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
  
                                                     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234) 
  
                                                     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) 
  
                                                     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) 
  
                                                     at java.lang.Thread.run(Thread.java:818) 
  
  09-14 17:40:34.168 19728-19790/? E/NativeCrypto: ssl=0x7f643ae900 
  
  cert_verify_callback x509_store_ctx=0x7f76e3e1a0 arg=0x0
  
  09-14 17:40:34.168 19728-19790/? E/NativeCrypto: ssl=0x7f643ae900 
  
  cert_verify_callback calling verifyCertificateChain authMethod=ECDHE_RSA
  
  </clinit></clinit></clinit></clinit>

  My gradle is

  apply plugin: 'com.android.application'
  
  apply plugin: 'io.fabric'
  
  apply plugin: 'com.github.triplet.play'
  
  apply plugin: 'project-report'
  
  
  
  def buildVersionCode = new Date().format("yyMMddHHmm", 
  
  TimeZone.getTimeZone("Europe/Istanbul")).toInteger()
  
  def buildVersionName = "1.1.2"
  
  def SupportVersion = '25.3.1'
  
  def OkHttpVersion = '3.2.0'
  
  def RetrofitVersion = '2.0.2'
  
  def FacebookVersion = '4.+'
  
  def GSonVersion = '2.6.2'
  
  
  
  android {
  
  
  
  compileSdkVersion 25
  
  buildToolsVersion "25.0.3"
  
  
  
  playAccountConfigs {
  
      defaultAccountConfig {
  
          ...
  
      }
  
  }
  
  
  
  defaultConfig {
  
      applicationId "...."
  
      resValue "string", "app_name", "..."
  
      resValue "string", "face_app_id", "...."
  
      minSdkVersion 16
  
      playAccountConfig = playAccountConfigs.defaultAccountConfig
  
      //noinspection OldTargetApi
  
      targetSdkVersion 25
  
      versionCode buildVersionCode
  
      versionName buildVersionName
  
      multiDexEnabled true
  
      renderscriptTargetApi 19
  
      renderscriptSupportModeEnabled true
  
  
  
  
  
  }
  
  
  
  signingConfigs {
  
      ....
  
  }
  
  
  
  lintOptions {
  
      abortOnError false        // true by default
  
      checkAllWarnings false
  
      checkReleaseBuilds false
  
      ignoreWarnings true       // false by default
  
      quiet true                // false by default
  
  }
  
  
  
  sourceSets {
  
      main.jni.srcDirs = []
  
      main.jniLibs.srcDirs = ['libs']
  
  }
  
  
  
  buildTypes {
  
      release {
  
          minifyEnabled true
  
          debuggable false
  
          signingConfig signingConfigs.release
  
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
  
  
  
          applicationVariants.all { variant ->
  
              variant.outputs.each { output ->
  
                  output.outputFile = new File(output.outputFile.parent,
  
                          output.outputFile.name.replace("-release", "-release-" + buildVersionName + "-" + buildVersionCode)
  
                  )
  
              }
  
          }
  
      }
  
  
  
      debug {
  
          debuggable true
  
          zipAlignEnabled true
  
          applicationIdSuffix ".debug"
  
      }
  
  
  
      productFlavors {
  
          arm7 {
  
              // in the future, ndk.abiFilter might also work
  
              ndk {
  
                  abiFilter 'armeabi-v7a'
  
              }
  
          }
  
          arm8 {
  
              ndk {
  
                  abiFilters 'arm64-v8a'
  
              }
  
          }
  
          arm {
  
              ndk {
  
                  abiFilter 'armeabi'
  
              }
  
          }
  
          x86 {
  
              ndk {
  
                  abiFilter 'x86'
  
              }
  
          }
  
          x86_64 {
  
              ndk {
  
                  abiFilter 'x86_64'
  
              }
  
          }
  
          mips {
  
              ndk {
  
                  abiFilters 'mips', 'mips64'
  
              }
  
          }
  
          universal {
  
              ndk {
  
                  abiFilters 'mips', 'mips64', 'x86', 'x86_64'
  
              }
  
          }
  
      }
  
  }
  
  
  
  lintOptions {
  
      abortOnError false
  
      checkReleaseBuilds false
  
      checkAllWarnings true
  
      htmlReport true
  
      htmlOutput file("lint-report.html")
  
      checkReleaseBuilds true
  
  
  
      disable 'MissingTranslation'
  
      disable 'UnusedResources'
  
      disable 'IconLauncherShape'
  
      disable 'GoogleAppIndexingApiWarning'
  
      disable 'SelectableText'
  
      error 'CommitTransaction'
  
      error 'InconsistentArrays'
  
      error 'Registered'
  
      error 'ManifestOrder'
  
  }
  
  
  
  }
  
  
  
  play {
  
  track = 'alpha'
  
  }
  
  
  
  dependencies {
  
  compile fileTree(dir: 'libs', include: ['.jar', '.so'])
  
  compile files('libs/javacpp.jar')
  
  compile files('libs/javacv.jar')
  
  
  
  compile project(':camera')
  
  compile project(':VideoRecorder')
  
  
  
  compile("com.android.support:appcompat-v7:$SupportVersion") {
  
      exclude group: 'com.android.support', module: 'support-v4'
  
      exclude group: 'com.android.support', module: 'support-annotations'
  
  }
  
  compile("com.android.support:cardview-v7:$SupportVersion") {
  
      exclude group: 'com.android.support', module: 'support-annotations'
  
  }
  
  compile("com.android.support:design:$SupportVersion") {
  
      exclude group: 'com.android.support', module: 'support-core-ui'
  
      exclude group: 'com.android.support', module: 'appcompat-v7'
  
      exclude group: 'com.android.support', module: 'support-v4'
  
  }
  
  compile("com.android.support:support-v4:$SupportVersion") {
  
      exclude group: 'com.android.support', module: 'support-media-compat'
  
      exclude group: 'com.android.support', module: 'support-compat'
  
  }
  
  compile('com.android.support:multidex:1.0.1') {
  
      exclude group: 'com.android.support', module: 'support-vector-drawable'
  
  }
  
  
  
  compile(group: 'org.bytedeco', name: 'javacv-platform', version: '1.3') {
  
      exclude group: 'org.bytedeco.javacpp-presets'
  
  }
  
  compile group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '3.2.1-1.3'
  
  compile group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '3.2.1-1.3', classifier: 'android-arm'
  
  
  
  compile "com.google.code.gson:gson:$GSonVersion"
  
  compile "com.squareup.okhttp3:okhttp:$OkHttpVersion"
  
  compile "com.squareup.retrofit2:retrofit:$RetrofitVersion"
  
  compile "com.facebook.android:facebook-android-sdk:$FacebookVersion"
  
  
  
  
  
  compile('com.crashlytics.sdk.android:crashlytics:2.6.8@aar') {
  
      transitive = true;
  
  }
  
  compile('com.twitter.sdk.android:twitter:2.3.0@aar') {
  
      transitive = true;
  
  }
  
  compile 'com.davemorrissey.labs:subsampling-scale-image-view:3.5.0'
  
  compile 'com.github.bumptech.glide:glide:3.7.0'
  
  compile 'de.hdodenhof:circleimageview:2.0.0'
  
  compile 'com.wdullaer:materialdatetimepicker:2.3.0'
  
  compile 'com.github.zhaokaiqiang.klog:library:1.4.0'
  
  compile 'com.github.filippudak.progresspieview:library:1.0.4'
  
  compile 'com.daimajia.swipelayout:library:1.2.0@aar'
  
  compile 'com.amazonaws:aws-android-sdk-s3:2.4.7'
  
  compile 'io.paperdb:paperdb:1.5'
  
  compile 'org.greenrobot:eventbus:3.0.0'
  
  compile 'com.jakewharton:butterknife:8.4.0'
  
  compile 'com.flipboard:bottomsheet-core:1.5.0'
  
  compile 'com.flipboard:bottomsheet-commons:1.5.0'
  
  compile 'com.yqritc:android-scalablevideoview:1.0.4'
  
  compile 'com.github.bumptech.glide:okhttp3-integration:1.4.0@aar'
  
  compile 'com.google.android.gms:play-services-gcm:11.0.4'
  
  compile 'me.relex:circleindicator:1.1.8@aar'
  
  compile 'com.github.ihsanbal:scissors:1.1.3'
  
  compile 'org.zakariya.stickyheaders:stickyheaders:0.7.5'
  
  compile 'com.parse.bolts:bolts-android:1.4.0'
  
  compile 'com.parse:parse-android:1.15.8'
  
  compile 'com.getbase:floatingactionbutton:1.10.1'
  
  compile 'com.github.wooplr:Spotlight:1.2.3'
  
  compile 'com.adjust.sdk:adjust-android:4.7.0'
  
  compile 'com.google.android.gms:play-services-analytics:11.0.4'
  
  compile 'com.makeramen:roundedimageview:2.3.0'
  
  compile 'com.squareup.okhttp3:logging-interceptor:3.3.1'
  
  compile 'com.github.castorflex.verticalviewpager:library:19.0.1'
  
  annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
  
  compile 'jp.wasabeef:blurry:2.1.1'
  
  compile 'com.writingminds:FFmpegAndroid:0.3.2'
  
  
  
  }

• Maven dependency works on machine but not when packaged in a .war - org.bytedeco.javacpp.avutil

  26 décembre 2016, par Jake Miller

  I have a web app where you can upload a video and a thumbnail is created for this video. It works completely fine on my machine, but as soon as I deploy to AWS (Amazon Web Services) as a .war file, I experience dependency issues with maven.

  Here’s the exception from the logs :

  Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.javacpp.avutil
  
      at java.lang.Class.forName0(Native Method) ~[na:1.8.0_101]
  
      at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_101]
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:472) ~[javacpp-1.2.1.jar!/:1.2.1]
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:417) ~[javacpp-1.2.1.jar!/:1.2.1]
  
      at org.bytedeco.javacpp.avformat$AVFormatContext.<clinit>(avformat.java:2597) ~[ffmpeg-2.8.1-1.1.jar!/:1.2.1]
  
      at org.bytedeco.javacv.FFmpegFrameGrabber.startUnsafe(FFmpegFrameGrabber.java:391) ~[javacv-1.2.jar!/:1.2]
  
      at org.bytedeco.javacv.FFmpegFrameGrabber.start(FFmpegFrameGrabber.java:385) ~[javacv-1.2.jar!/:1.2]
  
      at com.myapp.app.service.ICampaignService.createThumbnail(ICampaignService.java:425) ~[classes!/:0.0.44T-SNAPSHOT]
  
      at com.myapp.app.service.ICampaignService$$FastClassBySpringCGLIB$$47736265.invoke(<generated>) ~[classes!/:0.0.44T-SNAPSHOT]
  
      at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:720) ~[spring-aop-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:280) ~[spring-tx-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) ~[spring-aop-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at com.myapp.app.service.ICampaignService$$EnhancerBySpringCGLIB$$67e59894.createThumbnail(<generated>) ~[classes!/:0.0.44T-SNAPSHOT]
  
      at com.myapp.app.controllers.CampaignController.uploadCampaign(CampaignController.java:237) ~[classes!/:0.0.44T-SNAPSHOT]
  
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_101]
  
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_101]
  
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_101]
  
      at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_101]
  
      at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) ~[spring-webmvc-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
  
      ... 85 common frames omitted
  
  </generated></generated></clinit>

  Here are my maven dependencies for the ffmpeg wrapper I’m using :

  <dependency>
  
      <groupid>org.bytedeco</groupid>
  
      <artifactid>javacv</artifactid>
  
      <version>1.3</version>
  
  </dependency>
  
  <dependency>
  
      <groupid>org.bytedeco</groupid>
  
      <artifactid>javacpp</artifactid>
  
      <version>1.3</version>
  
  </dependency>

  I’ve tried various different versions but nothing has worked so far. What’s strange is the error says org.bytedeco.javacpp.avutil but I have access to the avutil class in my IDE.

  EDIT

  I’ve also tried everything at this github post : https://github.com/bytedeco/javacpp-presets/issues/225

  No solution I’ve found has worked. I’ve tried various different versions and various different org.bytedeco dependencies but they all yield the same error.