Could not initialize class org.bytedeco.javacpp.avutil Linux x86_64 #472

Wangxy013 · 2021-04-06T13:26:43Z

Hello,
I tried to use javaCV to call ffmpeg for audio transcoding, and an error was reported when initializing FFmpegFrameGrabber:
Could not initialize class org.bytedeco.javacpp.avutil.
It is normal for me on the windows10 platform, I have this error when I push my code to the linux server
I understand that this is a relatively common problem, and the answer is generally like https://github.com/bytedeco/javacv/issues/1206#issuecomment-493274635> "You'll need to put all the JAR files in your class path for this to work".
I have repeatedly checked my dependencies and tried to adjust the version, but it has not been resolved.

public class AudioConvert {
	public static Map<String, Object> convert(byte[] inputBytes, int audioCodec, int sampleRate, int audioBitrate,
	                                          int audioChannels) {
		Map<String, Object> resultMap = new HashMap<>();
		byte[] outputBytes = null;
		Frame audioSamples = null;
		FFmpegFrameRecorder recorder = null;
		ByteArrayInputStream inputStream = null;
		String fileFolderPath = "/abc";
		File fileFolder = new File(fileFolderPath);
		if (!fileFolder.exists() && !fileFolder.isDirectory()) {
			fileFolder.mkdirs();
		}
		String outputFile = fileFolderPath + RandomStringUtils.randomAlphanumeric(10);
		//ByteArrayOutputStream outputStream = null;
		inputStream = new ByteArrayInputStream(inputBytes);
		//outputStream = new ByteArrayOutputStream();
		FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(inputStream);

		if (start(grabber)) {
			recorder = new FFmpegFrameRecorder(outputFile, audioChannels);
			recorder.setAudioOption("crf", "0");
			recorder.setAudioCodec(audioCodec);
			recorder.setAudioBitrate(audioBitrate);
			recorder.setAudioChannels(audioChannels);
			recorder.setSampleRate(sampleRate);
			recorder.setFormat("mp3");
			recorder.setAudioQuality(10);
			recorder.setAudioOption("aq", "10");
			if (start(recorder)) {
				try {
					while ((audioSamples = grabber.grab()) != null) {
						recorder.setTimestamp(grabber.getTimestamp());
						recorder.record(audioSamples);
					}

				} catch (org.bytedeco.javacv.FrameGrabber.Exception e1) {
					System.err.println("抓取失败");
				} catch (Exception e) {
					System.err.println("录制失败");
				}
				stop(grabber);
				stop(recorder);
			}
			try {
				outputBytes = Files.readAllBytes(new File(outputFile).toPath());
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		resultMap.put("outputBytes", outputBytes);
		resultMap.put("outputFilePath", outputFile);
		return resultMap;
	}

I tried to adjust the version of javaCV and ffmpeg, my maven dependency is:

The error I get on the linux_x86_64 platform is:

Service Exception：org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.ffmpeg.global.avutil
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1053)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:151)
        at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:81)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)

hope to get help, thanks~

The text was updated successfully, but these errors were encountered:

saudet · 2021-04-07T01:08:34Z

NoClassDefFoundError means that some other class could not load. The cause of the error is going to be logged with that other exception, so please look for other errors in your logs, and that should tell you why it's failing.

saudet · 2021-04-07T01:11:36Z

Also, to get more information, make sure that the "org.bytedeco.javacpp.logger.debug" system property is set to "true" or that "org.bytedeco.javacpp.logger" is set to "slf4j" with your logger set to its debug level.

saudet · 2021-12-02T23:51:22Z

Please try again with JavaCV 1.5.6!

harshitagrawal23 · 2024-05-14T10:21:22Z

             <dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv-platform</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>ffmpeg-platform</artifactId>
		<version>6.1.1-1.5.10</version>
	</dependency>

I am getting the same issue on my kubernets pod-
java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.ffmpeg.global.avutil
at java.base/java.lang.Class.forName0(Native Method) ~[na:na]
at java.base/java.lang.Class.forName(Class.java:467) ~[na:na]

jzw-1989 · 2024-05-15T07:16:43Z

             <dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv-platform</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>ffmpeg-platform</artifactId>
		<version>6.1.1-1.5.10</version>
	</dependency>
I am getting the same issue on my kubernets pod- java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.ffmpeg.global.avutil at java.base/java.lang.Class.forName0(Native Method) ~[na:na] at java.base/java.lang.Class.forName(Class.java:467) ~[na:na]

I had the same problem with 1.5.10，Did you solve？

3-8UUID · 2024-08-28T07:20:42Z

             <dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv-platform</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>javacv</artifactId>
		<version>1.5.10</version>
	</dependency>

	<dependency>
		<groupId>org.bytedeco</groupId>
		<artifactId>ffmpeg-platform</artifactId>
		<version>6.1.1-1.5.10</version>
	</dependency>
I am getting the same issue on my kubernets pod- java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.ffmpeg.global.avutil at java.base/java.lang.Class.forName0(Native Method) ~[na:na] at java.base/java.lang.Class.forName(Class.java:467) ~[na:na]
I had the same problem with 1.5.10，Did you solve？

me too .please help us

saudet · 2024-08-28T07:56:48Z

Please try again with Ubuntu

saudet · 2024-08-28T07:57:15Z

Duplicate of bytedeco/javacpp-presets#1379

saudet added help wanted question labels Apr 13, 2021

saudet added duplicate and removed help wanted labels Aug 28, 2024

saudet marked this as a duplicate of bytedeco/javacpp-presets#1379 Aug 28, 2024

saudet closed this as completed Aug 28, 2024

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Could not initialize class org.bytedeco.javacpp.avutil Linux x86_64 #472

Could not initialize class org.bytedeco.javacpp.avutil Linux x86_64 #472

Wangxy013 commented Apr 6, 2021 •

edited by saudet

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saudet commented Apr 7, 2021

saudet commented Apr 7, 2021 •

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saudet commented Dec 2, 2021

harshitagrawal23 commented May 14, 2024 •

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jzw-1989 commented May 15, 2024

3-8UUID commented Aug 28, 2024

saudet commented Aug 28, 2024

saudet commented Aug 28, 2024

Could not initialize class org.bytedeco.javacpp.avutil Linux x86_64 #472

Could not initialize class org.bytedeco.javacpp.avutil Linux x86_64 #472

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Wangxy013 commented Apr 6, 2021 • edited by saudet Loading

saudet commented Apr 7, 2021

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harshitagrawal23 commented May 14, 2024 • edited Loading

jzw-1989 commented May 15, 2024

3-8UUID commented Aug 28, 2024

saudet commented Aug 28, 2024

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Wangxy013 commented Apr 6, 2021 •

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