FATAL: [ssh-agent] Unable to start agent
hudson.util.IOException2: [ssh-agent] Unable to start agent
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.createSSHAgentEnvironment(SSHAgentBuildWrapper.java:231)
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.preCheckout(SSHAgentBuildWrapper.java:189)
	at jenkins.scm.SCMCheckoutStrategy.preCheckout(SCMCheckoutStrategy.java:76)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528)
	at hudson.model.Run.execute(Run.java:1741)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:410)
Caused by: java.lang.RuntimeException: Failed to register BouncyCastle as the defaut JCE provider
	at org.apache.sshd.common.util.SecurityUtils.register(SecurityUtils.java:102)
	at org.apache.sshd.common.util.SecurityUtils.isBouncyCastleRegistered(SecurityUtils.java:81)
	at com.cloudbees.jenkins.plugins.sshagent.jna.JNRRemoteAgent.addIdentity(JNRRemoteAgent.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at hudson.remoting.RemoteInvocationHandler$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 New jenkins slave (i-2bd55aa7)(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)
	at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:249)
	at com.sun.proxy.$Proxy81.addIdentity(Unknown Source)
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper$SSHAgentEnvironment.<init>(SSHAgentBuildWrapper.java:339)
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.createSSHAgentEnvironment(SSHAgentBuildWrapper.java:224)
	... 7 more
Caused by: java.lang.InternalError: cannot create instance of org.bouncycastle.jcajce.provider.symmetric.IDEA$Mappings : java.lang.ClassCastException: org.bouncycastle.jcajce.provider.symmetric.IDEA$Mappings cannot be cast to org.bouncycastle.jcajce.provider.util.AlgorithmProvider
	at org.bouncycastle.jce.provider.BouncyCastleProvider.loadAlgorithms(Unknown Source)
	at org.bouncycastle.jce.provider.BouncyCastleProvider.setup(Unknown Source)
	at org.bouncycastle.jce.provider.BouncyCastleProvider.access$000(Unknown Source)
	at org.bouncycastle.jce.provider.BouncyCastleProvider$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.bouncycastle.jce.provider.BouncyCastleProvider.<init>(Unknown Source)
	at org.apache.sshd.common.util.SecurityUtils$BouncyCastleRegistration.run(SecurityUtils.java:114)
	at org.apache.sshd.common.util.SecurityUtils.register(SecurityUtils.java:96)
	at org.apache.sshd.common.util.SecurityUtils.isBouncyCastleRegistered(SecurityUtils.java:81)
	at com.cloudbees.jenkins.plugins.sshagent.jna.JNRRemoteAgent.addIdentity(JNRRemoteAgent.java:80)
	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:497)
	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)

security.provider.11=org.bouncycastle.jce.provider.BouncyCastleProvider