I upgraded to 1.13. My builds now get the following error: java.io.IOException: Remote call on Docker Slave-e37abcfefda7 failed at hudson.remoting.Channel.call(Channel.java:789) at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:249) at com.sun.proxy.$Proxy100.addIdentity(Unknown Source) at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper$SSHAgentEnvironment.add(SSHAgentBuildWrapper.java:395) at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.preCheckout(SSHAgentBuildWrapper.java:229) at jenkins.scm.SCMCheckoutStrategy.preCheckout(SCMCheckoutStrategy.java:76) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528) at hudson.model.Run.execute(Run.java:1741) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43) at hudson.model.ResourceController.execute(ResourceController.java:98) at hudson.model.Executor.run(Executor.java:410) Caused by: java.lang.NoClassDefFoundError: org/bouncycastle/openssl/PEMReader at jenkins.bouncycastle.api.PEMEncodable.decode(PEMEncodable.java:146) at com.cloudbees.jenkins.plugins.sshagent.jna.JNRRemoteAgent.addIdentity(JNRRemoteAgent.java:79) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:884) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:859) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:818) at hudson.remoting.UserRequest.perform(UserRequest.java:152) at hudson.remoting.UserRequest.perform(UserRequest.java:50) at hudson.remoting.Request$2.run(Request.java:332) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at ......remote call to Docker Slave-e37abcfefda7(Native Method) at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416) at hudson.remoting.UserResponse.retrieve(UserRequest.java:252) at hudson.remoting.Channel.call(Channel.java:781) ... 10 more Caused by: java.lang.ClassNotFoundException: org.bouncycastle.openssl.PEMReader at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376) at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch4(RemoteClassLoader.java:761) at hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch3(RemoteClassLoader.java:803) at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:884) at hudson.remoting.Request$2.run(Request.java:332) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68) at org.jenkinsci.remoting.CallableDecorator.call(CallableDecorator.java:18) at hudson.remoting.CallableDecoratorList$1.call(CallableDecoratorList.java:21) at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at ......remote call to channel(Native Method) at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416) at hudson.remoting.Request.call(Request.java:172) at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:252) at com.sun.proxy.$Proxy5.fetch3(Unknown Source) at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:171) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at jenkins.bouncycastle.api.PEMEncodable.decode(PEMEncodable.java:146) at com.cloudbees.jenkins.plugins.sshagent.jna.JNRRemoteAgent.addIdentity(JNRRemoteAgent.java:79) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:884) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:859) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:818) at hudson.remoting.UserRequest.perform(UserRequest.java:152) at hudson.remoting.UserRequest.perform(UserRequest.java:50) at hudson.remoting.Request$2.run(Request.java:332) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)
I ran into this same issue. Found that the bouncycastle-api-plugin did not get upgraded. I upgraded it to 1.648.3 and ssh-agent started working properly.
[Pipeline] { [Pipeline] sshagent [ssh-agent] Using credentials jgit [ssh-agent] Looking for ssh-agent implementation... [ssh-agent] Java/JNR ssh-agent [ssh-agent] Registered BouncyCastle on the remote agent [ssh-agent] Unable to read key: problem creating RSA private key: java.lang.SecurityException: class "org.bouncycastle.asn1.ASN1Sequence"'s signer information does not match signer information of other classes in the same package org.bouncycastle.openssl.PEMException: problem creating RSA private key: java.lang.SecurityException: class "org.bouncycastle.asn1.ASN1Sequence"'s signer information does not match signer information of other classes in the same package at org.bouncycastle.openssl.PEMParser$KeyPairParser.parseObject(Unknown Source) at org.bouncycastle.openssl.PEMParser.readObject(Unknown Source) at jenkins.bouncycastle.api.PEMEncodable.decode(PEMEncodable.java:153)
at com.cloudbees.jenkins.plugins.sshagent.jna.JNRRemoteAgent.addIdentity(JNRRemoteAgent.java:79) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:890) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:865) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:824) at hudson.remoting.UserRequest.perform(UserRequest.java:153)
at hudson.remoting.UserRequest.perform(UserRequest.java:50) at hudson.remoting.Request$2.run(Request.java:332) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)
Caused by: org.bouncycastle.openssl.PEMException: problem creating RSA private key: java.lang.SecurityException: class "org.bouncycastle.asn1.ASN1Sequence"'s signer information does not match signer information of other classes in the same package at org.bouncycastle.openssl.PEMParser$RSAKeyPairParser.parse(Unknown Source) ... 19 more Caused by: java.lang.SecurityException: class "org.bouncycastle.asn1.ASN1Sequence"'s signer information does not match signer information of other classes in the same package at java.lang.ClassLoader.checkCerts(ClassLoader.java:898) at java.lang.ClassLoader.preDefineClass(ClassLoader.java:668) at java.lang.ClassLoader.defineClass(ClassLoader.java:761) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) at java.net.URLClassLoader.access$100(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:368) at java.net.URLClassLoader$1.run(URLClassLoader.java:362) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:361) at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:149)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357)