Could not initialize class io.netty.util.internal.PlatformDependent0 from: io.netty.util.internal.Pl

[Gadi Eichhorn]

Hi All,

I am using Vertx 3.3.3 from OSGi bndtools project and face some issues with dynamic staring of my bundle that depends on Vertx and on Netty. I wonder if anyone faced the same Netty issue and how to resolve it?

This error seemed to be fixed in Netty 4.1.7.FInal -> https://github.com/netty/netty/issues/5987

Vertx using Netty 4.1.5 

\- io.vertx:vertx-core:jar:3.3.3:compile
   +- io.netty:netty-common:jar:4.1.5.Final:compile
   +- io.netty:netty-buffer:jar:4.1.5.Final:compile
   +- io.netty:netty-transport:jar:4.1.5.Final:compile
   +- io.netty:netty-handler:jar:4.1.5.Final:compile
   |  \- io.netty:netty-codec:jar:4.1.5.Final:compile
   +- io.netty:netty-handler-proxy:jar:4.1.5.Final:compile
   |  \- io.netty:netty-codec-socks:jar:4.1.5.Final:compile
   +- io.netty:netty-codec-http:jar:4.1.5.Final:compile
   +- io.netty:netty-codec-http2:jar:4.1.5.Final:compile
   +- io.netty:netty-resolver:jar:4.1.5.Final:compile
   +- io.netty:netty-resolver-dns:jar:4.1.5.Final:compile
   |  \- io.netty:netty-codec-dns:jar:4.1.5.Final:compile
   +- com.fasterxml.jackson.core:jackson-core:jar:2.7.4:compile
   \- com.fasterxml.jackson.core:jackson-databind:jar:2.7.4:compile
      \- com.fasterxml.jackson.core:jackson-annotations:jar:2.7.0:compile

here is the error:

10:51:07.839 [main] DEBUG io.netty.util.internal.logging.InternalLoggerFactory - Using SLF4J as the default logging framework
10:51:07.842 [main] DEBUG io.netty.util.ResourceLeakDetector - -Dio.netty.leakDetection.level: simple
10:51:07.844 [main] DEBUG io.netty.util.ResourceLeakDetector - -Dio.netty.leakDetection.maxRecords: 4
10:51:07.864 [main] DEBUG io.netty.channel.MultithreadEventLoopGroup - -Dio.netty.eventLoopThreads: 8
10:51:07.879 [main] DEBUG io.netty.util.internal.PlatformDependent0 - java.nio.Buffer.address: available
10:51:07.880 [main] DEBUG io.netty.util.internal.PlatformDependent - Platform: Windows
10:51:07.880 [main] DEBUG io.netty.util.internal.PlatformDependent - Java version: 8
10:51:07.880 [main] DEBUG io.netty.util.internal.PlatformDependent - -Dio.netty.noUnsafe: false
10:51:07.881 [main] DEBUG io.netty.util.internal.PlatformDependent - maxDirectMemory: 3776970752 bytes (maybe)
! Failed to start bundle xxxx, exception activator error Could not initialize class io.netty.util.internal.PlatformDependent0 from: io.netty.util.internal.PlatformDependent:<clinit>#101

I took the code from the vertx osgi examples -> https://github.com/vert-x3/vertx-examples/blob/master/osgi-examples/src/main/java/io/vertx/example/osgi/VertxActivator.java

My activator class has:

public class VertxActivator implements BundleActivator {


    private static final Logger LOGGER = LoggerFactory.getLogger(VertxActivator.class);
    private ServiceRegistration<Vertx> vertxRegistration;
    private ServiceRegistration<EventBus> ebRegistration;


    @Override
    public void start(BundleContext bc) throws Exception {
        LOGGER.info("START");


        LOGGER.info("Creating Vert.x instance");
        Vertx vertx = TcclSwitch.executeWithTCCLSwitch(() -> Vertx.vertx());


        vertxRegistration = bc.registerService(Vertx.class, vertx, null);
        LOGGER.info("Vert.x service registered");
        ebRegistration = bc.registerService(EventBus.class, vertx.eventBus(), null);
        LOGGER.info("Vert.x Event Bus service registered");
    }


    @Override
    public void stop(BundleContext bc) throws Exception {
        if (vertxRegistration != null) {
            vertxRegistration.unregister();
            vertxRegistration = null;
        }
        if (ebRegistration != null) {
            ebRegistration.unregister();
            ebRegistration = null;
        }
        LOGGER.info("STOP");
    }
}

any help appreciated

Thanks,

Gadi.

[Clement Escoffier]

Hi,

you may be hitting: https://github.com/netty/netty/issues/6038.

Clement

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[Gadi Eichhorn]

Thanks Clement,

Any suggestions how to resolve this?

I am using the standalone maven setup... I didnt have this issue when I used the standard bndtool workspace.

Thanks,

Gadi.

[Gadi Eichhorn]

code sample to demonstrate the error

https://github.com/gadieichhorn/hello-examples/tree/hello-1.13.x

[Gadi Eichhorn]

I changed the initialization code to a service and now I am getting a different error

@Component(immediate = true)
public class VertxRegistrationService {


 private final static Logger LOGGER = LoggerFactory.getLogger(VertxRegistrationService.class);

 private ServiceRegistration<Vertx> vertxRegistration;
 private ServiceRegistration<EventBus> ebRegistration;

 private Vertx vertx;


 @Activate
 public void start(BundleContext context) throws Exception {

 LOGGER.info("Creating Vert.x instance");

 vertx = TcclSwitch.executeWithTCCLSwitch(() -> Vertx.vertx());
 // vertx = Vertx.vertx();


 vertxRegistration = context.registerService(Vertx.class, vertx, null);

 LOGGER.info("Vert.x service registered");

 ebRegistration = context.registerService(EventBus.class, vertx.eventBus(), null);

 LOGGER.info("Vert.x Event Bus service registered");
 }

 @Deactivate
 public void stop(BundleContext context) {

 if (ebRegistration != null) {
 ebRegistration.unregister();
 ebRegistration = null;
 }
 if (vertxRegistration != null) {
 vertxRegistration.unregister();
 vertxRegistration = null;
 }

 if (vertx != null) {
 vertx.close();
 }
 }

}

ERROR: helloworld-web (8): [com.example.hello.web.VertxRegistrationService(0)] The start method has thrown an exception
java.lang.NoClassDefFoundError: Could not initialize class io.netty.util.internal.PlatformDependent0
 at io.netty.util.internal.PlatformDependent.<clinit>(PlatformDependent.java:101)
 at io.netty.util.ConstantPool.<init>(ConstantPool.java:32)
 at io.netty.util.Signal$1.<init>(Signal.java:27)
 at io.netty.util.Signal.<clinit>(Signal.java:27)
 at io.netty.util.concurrent.DefaultPromise.<clinit>(DefaultPromise.java:42)
 at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:36)
 at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
 at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
 at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:58)
 at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77)
 at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
 at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59)
 at io.vertx.core.impl.VertxImpl.<init>(VertxImpl.java:133)
 at io.vertx.core.impl.VertxImpl.<init>(VertxImpl.java:122)
 at io.vertx.core.impl.VertxImpl.<init>(VertxImpl.java:118)
 at io.vertx.core.impl.VertxFactoryImpl.vertx(VertxFactoryImpl.java:34)
 at io.vertx.core.Vertx.vertx(Vertx.java:80)
 at com.example.hello.web.VertxRegistrationService.lambda$0(VertxRegistrationService.java:26)
 at com.example.hello.web.TcclSwitch.executeWithTCCLSwitch(TcclSwitch.java:11)
 at com.example.hello.web.VertxRegistrationService.start(VertxRegistrationService.java:26)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)
 at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
 at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)
 at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)
 at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295)
 at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:302)
 at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:113)
 at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:866)
 at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:833)
 at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:724)
 at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:399)
 at org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:676)
 at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:339)
 at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:360)
 at org.apache.felix.scr.impl.Activator.access$000(Activator.java:53)
 at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:260)
 at org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:259)
 at org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:232)
 at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482)
 at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415)
 at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232)
 at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444)
 at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:916)
 at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:835)
 at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:517)
 at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4541)
 at org.apache.felix.framework.Felix.startBundle(Felix.java:2172)
 at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998)
 at aQute.launcher.Launcher.update(Launcher.java:483)
 at aQute.launcher.Launcher.activate(Launcher.java:382)
 at aQute.launcher.Launcher.run(Launcher.java:276)
 at aQute.launcher.Launcher.main(Launcher.java:133)
ERROR: helloworld-web (8): [com.example.hello.web.VertxRegistrationService(0)] Failed creating the component instance; see log for reason