[
https://issues.apache.org/jira/browse/SSHD-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lyor Goldstein resolved SSHD-975.
---------------------------------
Fix Version/s: 2.4.1
Resolution: Fixed
Fixed by commit
[60bdb04642|https://github.com/apache/mina-sshd/commit/60bdb04642cbcb82501841b9f25601c5532d537b]
> SshClient subclasses fail in OSGi environment
> ---------------------------------------------
>
> Key: SSHD-975
> URL: https://issues.apache.org/jira/browse/SSHD-975
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.3.0, 2.4.0
> Reporter: Robert Varga
> Priority: Major
> Fix For: 2.4.1
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Attempting to subclass SshClient and use it in OSGi environment can fail with
> the following:
> {noformat}
> 2020-04-07T07:46:19,968 | WARN | nioEventLoopGroupCloseable-3-1 |
> ChannelInitializer | 64 - io.netty.common - 4.1.45.Final |
> Failed to initialize a channel. Closing: [id: 0xfedebbf7]
> java.lang.ExceptionInInitializerError: null
> at
> org.opendaylight.netconf.client.SshClientChannelInitializer.initialize(SshClientChannelInitializer.java:43)
> ~[402:org.opendaylight.netconf.client:1.9.0.SNAPSHOT]
> at
> org.opendaylight.netconf.nettyutil.ReconnectPromise.lambda$connect$0(ReconnectPromise.java:54)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]
> at
> org.opendaylight.netconf.nettyutil.AbstractNetconfDispatcher$3.initChannel(AbstractNetconfDispatcher.java:206)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]
> at
> org.opendaylight.netconf.nettyutil.AbstractNetconfDispatcher$3.initChannel(AbstractNetconfDispatcher.java:203)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]
> at
> io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:129)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:112)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.callHandlerAdded(AbstractChannelHandlerContext.java:956)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:609)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.DefaultChannelPipeline.access$100(DefaultChannelPipeline.java:46)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1463)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1115)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:650)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:502)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:417)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:474)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
> [64:io.netty.common:4.1.45.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
> [64:io.netty.common:4.1.45.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
> [67:io.netty.transport:4.1.45.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
> [64:io.netty.common:4.1.45.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [64:io.netty.common:4.1.45.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [64:io.netty.common:4.1.45.Final]
> at java.lang.Thread.run(Thread.java:834) [?:?]
> Caused by: java.lang.IllegalArgumentException:
> org.apache.sshd.common.forward.PortForwardingEventListener referenced from a
> method is not visible from class loader
> at java.lang.reflect.Proxy$ProxyBuilder.ensureVisible(Proxy.java:858)
> ~[?:?]
> at
> java.lang.reflect.Proxy$ProxyBuilder.validateProxyInterfaces(Proxy.java:681)
> ~[?:?]
> at java.lang.reflect.Proxy$ProxyBuilder.<init>(Proxy.java:627) ~[?:?]
> at java.lang.reflect.Proxy$ProxyBuilder.<init>(Proxy.java:635) ~[?:?]
> at java.lang.reflect.Proxy.lambda$getProxyConstructor$0(Proxy.java:415)
> ~[?:?]
> at
> jdk.internal.loader.AbstractClassLoaderValue$Memoizer.get(AbstractClassLoaderValue.java:329)
> ~[?:?]
> at
> jdk.internal.loader.AbstractClassLoaderValue.computeIfAbsent(AbstractClassLoaderValue.java:205)
> ~[?:?]
> at java.lang.reflect.Proxy.getProxyConstructor(Proxy.java:413) ~[?:?]
> at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:1006) ~[?:?]
> at
> org.apache.sshd.common.util.EventListenerUtils.proxyWrapper(EventListenerUtils.java:193)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at
> org.apache.sshd.common.helpers.AbstractFactoryManager.<init>(AbstractFactoryManager.java:107)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at org.apache.sshd.client.SshClient.<init>(SshClient.java:189)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at
> org.opendaylight.netconf.nettyutil.handler.ssh.client.NetconfSshClient.<init>(NetconfSshClient.java:19)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]
> at org.apache.sshd.common.BaseBuilder.build(BaseBuilder.java:256)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at org.apache.sshd.client.ClientBuilder.build(ClientBuilder.java:183)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at org.apache.sshd.client.ClientBuilder.build(ClientBuilder.java:51)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at org.apache.sshd.common.BaseBuilder.build(BaseBuilder.java:276)
> ~[144:org.apache.sshd.osgi:2.3.0]
> at
> org.opendaylight.netconf.nettyutil.handler.ssh.client.NetconfClientBuilder.build(NetconfClientBuilder.java:23)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]
> at
> org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandler.<clinit>(AsyncSshHandler.java:45)
> ~[420:org.opendaylight.netconf.netty-util:1.9.0.SNAPSHOT]{noformat}
>
>
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