Robert Varga created SSHD-975:
---------------------------------
Summary: 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
Reporter: Robert Varga
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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