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  • Java.lang.NoClassDefFoundError caused by FFmpeg when deployed on Linux as a packaged .war (Works on development machine)

    27 décembre 2016, par Jake Miller

    I use an FFmpeg wrapper to create thumbnails for videos uploaded by users. This works perfectly fine when testing on my development machine. However, whenever I package my project as a .war and deploy to Amazon Web Services, I get the following stack trace :

    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’s my maven dependencies for the FFmpeg wrapper :

    <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>
    
<dependency>
    
    <groupid>org.bytedeco.javacpp-presets</groupid>
    
    <artifactid>ffmpeg</artifactid>
    
    <version>3.2.1-1.3</version>
    
</dependency>
    
<dependency>
    
    <groupid>org.bytedeco.javacpp-presets</groupid>
    
    <artifactid>opencv-platform</artifactid>
    
    <version>3.1.0-1.3</version>
    
</dependency>

    Again, this library works perfectly fine on my development machine.

    • Development machine : Windows 10, 64-bit (Works)

    • AWS instance:64bit Amazon Linux 2016.09 v2.2.0 running Java 8 (Causes the issue above)

    I’ve spent around 7 hours trying to fix the issue by messing around with versions. Any idea how to solve this issue ?

    EDIT

    Dependency Tree :

    [INFO] +- org.springframework.boot:spring-boot-starter-data-jpa:jar:1.4.0.RELEASE:compile
    
[INFO] |  +- org.springframework.boot:spring-boot-starter:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  +- org.springframework.boot:spring-boot:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  +- org.springframework.boot:spring-boot-autoconfigure:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  +- org.springframework.boot:spring-boot-starter-logging:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  |  +- ch.qos.logback:logback-classic:jar:1.1.7:compile
    
[INFO] |  |  |  |  \- ch.qos.logback:logback-core:jar:1.1.7:compile
    
[INFO] |  |  |  +- org.slf4j:jul-to-slf4j:jar:1.7.21:compile
    
[INFO] |  |  |  \- org.slf4j:log4j-over-slf4j:jar:1.7.21:compile
    
[INFO] |  |  \- org.yaml:snakeyaml:jar:1.17:runtime
    
[INFO] |  +- org.springframework.boot:spring-boot-starter-aop:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  \- org.aspectj:aspectjweaver:jar:1.8.9:compile
    
[INFO] |  +- org.springframework.boot:spring-boot-starter-jdbc:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  +- org.apache.tomcat:tomcat-jdbc:jar:8.5.4:compile
    
[INFO] |  |  |  \- org.apache.tomcat:tomcat-juli:jar:8.5.4:compile
    
[INFO] |  |  \- org.springframework:spring-jdbc:jar:4.3.2.RELEASE:compile
    
[INFO] |  +- org.hibernate:hibernate-core:jar:5.0.9.Final:compile
    
[INFO] |  |  +- org.jboss.logging:jboss-logging:jar:3.3.0.Final:compile
    
[INFO] |  |  +- org.hibernate.javax.persistence:hibernate-jpa-2.1-api:jar:1.0.0.Final:compile
    
[INFO] |  |  +- org.javassist:javassist:jar:3.20.0-GA:compile
    
[INFO] |  |  +- antlr:antlr:jar:2.7.7:compile
    
[INFO] |  |  +- org.jboss:jandex:jar:2.0.0.Final:compile
    
[INFO] |  |  +- dom4j:dom4j:jar:1.6.1:compile
    
[INFO] |  |  |  \- xml-apis:xml-apis:jar:1.4.01:compile
    
[INFO] |  |  \- org.hibernate.common:hibernate-commons-annotations:jar:5.0.1.Final:compile
    
[INFO] |  +- org.hibernate:hibernate-entitymanager:jar:5.0.9.Final:compile
    
[INFO] |  +- javax.transaction:javax.transaction-api:jar:1.2:compile
    
[INFO] |  +- org.springframework.data:spring-data-jpa:jar:1.10.2.RELEASE:compile
    
[INFO] |  |  +- org.springframework.data:spring-data-commons:jar:1.12.2.RELEASE:compile
    
[INFO] |  |  +- org.springframework:spring-orm:jar:4.3.2.RELEASE:compile
    
[INFO] |  |  +- org.springframework:spring-tx:jar:4.3.2.RELEASE:compile
    
[INFO] |  |  \- org.slf4j:jcl-over-slf4j:jar:1.7.21:compile
    
[INFO] |  \- org.springframework:spring-aspects:jar:4.3.2.RELEASE:compile
    
[INFO] +- org.springframework.boot:spring-boot-starter-security:jar:1.4.0.RELEASE:compile
    
[INFO] |  +- org.springframework:spring-aop:jar:4.3.2.RELEASE:compile
    
[INFO] |  +- org.springframework.security:spring-security-config:jar:4.1.1.RELEASE:compile
    
[INFO] |  \- org.springframework.security:spring-security-web:jar:4.1.1.RELEASE:compile
    
[INFO] |     \- org.springframework:spring-expression:jar:4.3.2.RELEASE:compile
    
[INFO] +- org.springframework.boot:spring-boot-starter-web:jar:1.4.0.RELEASE:compile
    
[INFO] |  +- org.springframework.boot:spring-boot-starter-tomcat:jar:1.4.0.RELEASE:compile
    
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-core:jar:8.5.4:compile
    
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-el:jar:8.5.4:compile
    
[INFO] |  |  \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:8.5.4:compile
    
[INFO] |  +- org.hibernate:hibernate-validator:jar:5.2.4.Final:compile
    
[INFO] |  |  +- javax.validation:validation-api:jar:1.1.0.Final:compile
    
[INFO] |  |  \- com.fasterxml:classmate:jar:1.3.1:compile
    
[INFO] |  +- com.fasterxml.jackson.core:jackson-databind:jar:2.8.1:compile
    
[INFO] |  |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.8.1:compile
    
[INFO] |  |  \- com.fasterxml.jackson.core:jackson-core:jar:2.8.1:compile
    
[INFO] |  +- org.springframework:spring-web:jar:4.3.2.RELEASE:compile
    
[INFO] |  \- org.springframework:spring-webmvc:jar:4.3.2.RELEASE:compile
    
[INFO] +- org.springframework.boot:spring-boot-starter-test:jar:1.4.0.RELEASE:test
    
[INFO] |  +- org.springframework.boot:spring-boot-test:jar:1.4.0.RELEASE:test
    
[INFO] |  +- org.springframework.boot:spring-boot-test-autoconfigure:jar:1.4.0.RELEASE:test
    
[INFO] |  +- com.jayway.jsonpath:json-path:jar:2.2.0:test
    
[INFO] |  |  \- net.minidev:json-smart:jar:2.2.1:test
    
[INFO] |  |     \- net.minidev:accessors-smart:jar:1.1:test
    
[INFO] |  |        \- org.ow2.asm:asm:jar:5.0.3:test
    
[INFO] |  +- junit:junit:jar:4.12:test
    
[INFO] |  +- org.assertj:assertj-core:jar:2.5.0:test
    
[INFO] |  +- org.mockito:mockito-core:jar:1.10.19:test
    
[INFO] |  |  \- org.objenesis:objenesis:jar:2.1:test
    
[INFO] |  +- org.hamcrest:hamcrest-core:jar:1.3:test
    
[INFO] |  +- org.hamcrest:hamcrest-library:jar:1.3:test
    
[INFO] |  +- org.skyscreamer:jsonassert:jar:1.3.0:test
    
[INFO] |  |  \- org.json:json:jar:20140107:test
    
[INFO] |  +- org.springframework:spring-core:jar:4.3.2.RELEASE:compile
    
[INFO] |  \- org.springframework:spring-test:jar:4.3.2.RELEASE:test
    
[INFO] +- org.springframework.security.oauth:spring-security-oauth2:jar:2.0.10.RELEASE:compile
    
[INFO] |  +- org.springframework:spring-beans:jar:4.3.2.RELEASE:compile
    
[INFO] |  +- org.springframework:spring-context:jar:4.3.2.RELEASE:compile
    
[INFO] |  +- org.springframework.security:spring-security-core:jar:4.1.1.RELEASE:compile
    
[INFO] |  |  \- aopalliance:aopalliance:jar:1.0:compile
    
[INFO] |  +- commons-codec:commons-codec:jar:1.10:compile
    
[INFO] |  \- org.codehaus.jackson:jackson-mapper-asl:jar:1.9.13:compile
    
[INFO] |     \- org.codehaus.jackson:jackson-core-asl:jar:1.9.13:compile
    
[INFO] +- org.springframework.security:spring-security-jwt:jar:1.0.4.RELEASE:compile
    
[INFO] |  \- org.bouncycastle:bcpkix-jdk15on:jar:1.47:compile
    
[INFO] |     \- org.bouncycastle:bcprov-jdk15on:jar:1.47:compile
    
[INFO] +- mysql:mysql-connector-java:jar:5.1.39:compile
    
[INFO] +- commons-io:commons-io:jar:2.5:compile
    
[INFO] +- org.apache.commons:commons-lang3:jar:3.0:compile
    
[INFO] +- org.bytedeco:javacv:jar:1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:flycapture:jar:2.9.3.43-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:libdc1394:jar:2.2.4-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:libfreenect:jar:0.5.3-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:librealsense:jar:1.9.6-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:videoinput:jar:0.200-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:artoolkitplus:jar:2.3.1-1.3:compile
    
[INFO] |  \- org.bytedeco.javacpp-presets:flandmark:jar:1.07-1.3:compile
    
[INFO] +- org.bytedeco:javacpp:jar:1.3:compile
    
[INFO] +- org.bytedeco.javacpp-presets:ffmpeg:jar:3.2.1-1.3:compile
    
[INFO] +- org.bytedeco.javacpp-presets:opencv-platform:jar:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:android-arm:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:android-x86:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:linux-x86:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:linux-x86_64:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:linux-armhf:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:linux-ppc64le:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:macosx-x86_64:3.1.0-1.3:compile
    
[INFO] |  +- org.bytedeco.javacpp-presets:opencv:jar:windows-x86:3.1.0-1.3:compile
    
[INFO] |  \- org.bytedeco.javacpp-presets:opencv:jar:windows-x86_64:3.1.0-1.3:compile
    
[INFO] +- com.paypal.sdk:rest-api-sdk:jar:1.13.0:compile
    
[INFO] |  +- org.slf4j:slf4j-api:jar:1.7.21:compile
    
[INFO] |  \- com.google.code.gson:gson:jar:2.7:compile
    
[INFO] +- com.squareup.okhttp3:okhttp:jar:3.4.1:compile
    
[INFO] |  \- com.squareup.okio:okio:jar:1.9.0:compile
    
[INFO] +- javax.mail:mail:jar:1.4:compile
    
[INFO] |  \- javax.activation:activation:jar:1.1:compile
    
[INFO] \- com.amazonaws:aws-java-sdk:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-support:jar:1.11.58:compile
    
[INFO]    |  \- com.amazonaws:jmespath-java:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-simpledb:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-servicecatalog:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-servermigration:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-simpleworkflow:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-storagegateway:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-route53:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-s3:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-importexport:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-sts:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-sqs:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-rds:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-redshift:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elasticbeanstalk:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-glacier:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-iam:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-datapipeline:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elasticloadbalancing:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elasticloadbalancingv2:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-emr:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elasticache:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elastictranscoder:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-ec2:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-dynamodb:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-sns:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-budgets:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudtrail:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudwatch:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-logs:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-events:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cognitoidentity:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cognitosync:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-directconnect:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudformation:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudfront:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-kinesis:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-opsworks:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-ses:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-autoscaling:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudsearch:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudwatchmetrics:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-codedeploy:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-codepipeline:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-kms:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-config:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-lambda:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-ecs:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-ecr:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cloudhsm:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-ssm:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-workspaces:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-machinelearning:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-directory:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-efs:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-codecommit:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-devicefarm:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-elasticsearch:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-waf:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-marketplacecommerceanalytics:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-inspector:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-iot:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-api-gateway:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-acm:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-gamelift:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-dms:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-marketplacemeteringservice:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-cognitoidp:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-discovery:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-applicationautoscaling:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-snowball:jar:1.11.58:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-core:jar:1.11.58:compile
    
[INFO]    |  +- commons-logging:commons-logging:jar:1.1.3:compile
    
[INFO]    |  +- org.apache.httpcomponents:httpclient:jar:4.5.2:compile
    
[INFO]    |  |  \- org.apache.httpcomponents:httpcore:jar:4.4.5:compile
    
[INFO]    |  +- software.amazon.ion:ion-java:jar:1.0.1:compile
    
[INFO]    |  +- com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:jar:2.8.1:compile
    
[INFO]    |  \- joda-time:joda-time:jar:2.9.4:compile
    
[INFO]    +- com.amazonaws:aws-java-sdk-models:jar:1.11.58:compile
    
[INFO]    \- com.amazonaws:aws-java-sdk-swf-libraries:jar:1.11.22:compile

    Error after upgrading Linux to 2.4, downgrading javacpp to 1.2.1, and running mvn clean :

    java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.javacpp.avutil
    
    at java.lang.Class.forName0(Native Method) ~[na:1.8.0_111]
    
    at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_111]
    
    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:2819) ~[ffmpeg-3.2.1-1.3.jar!/:1.2.1]
    
    at org.bytedeco.javacv.FFmpegFrameGrabber.startUnsafe(FFmpegFrameGrabber.java:391) ~[javacv-1.3.jar!/:1.3]
    
    at org.bytedeco.javacv.FFmpegFrameGrabber.start(FFmpegFrameGrabber.java:385) ~[javacv-1.3.jar!/:1.3]
    
</clinit>

    WHAT I’VE TRIED SO FAR

    • upgrade to Linux to 2.4
    • downgrading javacpp to 1.2.1
    • running mvn clean
    • running mvn -U
    • deleting contents of /.m2/ and redownloading dependencies
    • various combinations of dependency versions
    • git clone on a Linux VM & running mvn install there

  • Revision 37011 : Un petit test pour voir si ffmpeg2theora est dispo sur le serveur (pour ...

    6 avril 2010, par kent1@… — Log

    Un petit test pour voir si ffmpeg2theora est dispo sur le serveur (pour l’utiliser au cas où plus tard)

  • Setting up RTP on Nginx

    2 février 2021, par Swap

    I'm trying to use Janus Media Server to relay WebRTC streams to a particular RTP host/port, from where ffmpeg can pick it up as an input and convert it further to an rtmp stream, which can then be used to broadcast to various social media platforms (such as, YouTube, Twitch, Facebook, etc.)

    &#xA;

    My inspiration for this has been the following blog - https://www.meetecho.com/blog/firefox-webrtc-youtube-kinda/

    &#xA;

    Specifically, I'm trying to replicate the following architecture -

    &#xA;

    architecture

    &#xA;

    And Janus, as per their documentation, has a very neat API for doing it -

    &#xA;

    {&#xA;    "request" : "rtp_forward",&#xA;    "room" : <unique numeric="numeric" of="of" the="the" room="room" publisher="publisher" is="is" in="in">,&#xA;    "publisher_id" : <unique numeric="numeric" of="of" the="the" publisher="publisher" to="to" relay="relay" externally="externally">,&#xA;    "host" : "<host address="address" to="to" forward="forward" the="the" rtp="rtp" and="and" packets="packets">",&#xA;    "host_family" : "",&#xA;    "audio_port" : <port to="to" forward="forward" the="the" audio="audio" rtp="rtp" packets="packets">,&#xA;    "audio_ssrc" : <audio ssrc="ssrc" to="to" use="use" when="when" optional="optional">,&#xA;    "audio_pt" : <audio payload="payload" type="type" to="to" use="use" when="when" optional="optional">,&#xA;    "audio_rtcp_port" : <port to="to" contact="contact" receive="receive" audio="audio" rtcp="rtcp" feedback="feedback" from="from" the="the" and="and" currently="currently" unused="unused" for="for">,&#xA;    "video_port" : <port to="to" forward="forward" the="the" video="video" rtp="rtp" packets="packets">,&#xA;    "video_ssrc" : <video ssrc="ssrc" to="to" use="use" when="when" optional="optional">,&#xA;    "video_pt" : <video payload="payload" type="type" to="to" use="use" when="when" optional="optional">,&#xA;    "video_rtcp_port" : <port to="to" contact="contact" receive="receive" video="video" rtcp="rtcp" feedback="feedback" from="from" the="the" optional="optional">,&#xA;    "simulcast" : ,&#xA;    "video_port_2" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" port="port" to="to" forward="forward" the="the" video="video" rtp="rtp" packets="packets" from="from" second="second" substream="substream"></if>layer to>,&#xA;    "video_ssrc_2" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" video="video" ssrc="ssrc" to="to" use="use" the="the" second="second" substream="substream"></if>layer; optional>,&#xA;    "video_pt_2" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" video="video" payload="payload" type="type" to="to" use="use" the="the" second="second" substream="substream"></if>layer; optional>,&#xA;    "video_port_3" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" port="port" to="to" forward="forward" the="the" video="video" rtp="rtp" packets="packets" from="from" third="third" substream="substream"></if>layer to>,&#xA;    "video_ssrc_3" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" video="video" ssrc="ssrc" to="to" use="use" the="the" third="third" substream="substream"></if>layer; optional>,&#xA;    "video_pt_3" : <if simulcasting="simulcasting" and="and" forwarding="forwarding" each="each" video="video" payload="payload" type="type" to="to" use="use" the="the" third="third" substream="substream"></if>layer; optional>,&#xA;    "data_port" : <port to="to" forward="forward" the="the" messages="messages">,&#xA;    "srtp_suite" : <length of="of" authentication="authentication" tag="tag" or="or" optional="optional">,&#xA;    "srtp_crypto" : "<key to="to" use="use" as="as" crypto="crypto" encoded="encoded" key="key" in="in" optional="optional">"&#xA;}&#xA;</key></length></port></port></video></video></port></port></audio></audio></port></host></unique></unique>

    &#xA;

    For this, I've setup a Nginx server, where I've also installed Janus and everything's been running smoothly so far. But I'm quite clueless as to how to setup my Nginx server so that it accepts RTP connections (which will be forwarded as RTMP using ffmpeg).

    &#xA;

    Please guide me to any relevant resources that would help me achieve this. Thanks in advance !

    &#xA;

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