WARNING: Error while serving http://10.10.6.52:8080/configSubmit
java.lang.reflect.InvocationTargetException
        at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:347)
        at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:52)
        at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
        at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:184)
        at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:117)
        at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:129)
        at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
        at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
        at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:80)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
        at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.Error: Failed to instantiate class jenkins.plugins.openstack.compute.SlaveOptions from {"imageId":"","hardwareId":"","networkId":"","userDataId":"","instanceCap":"","floatingIpPool":"","securityGroups":"","availabilityZone":"","startTimeout":"","keyPairName":"","numExecutors":"","jvmOptions":"","slaveType":"","fsRoot":"","credentialsId":"","retentionTime":"","stapler-class":"jenkins.plugins.openstack.compute.SlaveOptions","$class":"jenkins.plugins.openstack.compute.SlaveOptions"}
        at hudson.model.Descriptor.newInstance(Descriptor.java:599)
        at hudson.model.Descriptor$NewInstanceBindInterceptor.onConvert(Descriptor.java:668)
        at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:621)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:478)
        at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:777)
        at org.kohsuke.stapler.RequestImpl.access$200(RequestImpl.java:83)
        at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:678)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:478)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:474)
        at hudson.model.Descriptor.newInstance(Descriptor.java:591)
        at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:1050)
        at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:1012)
        at hudson.util.DescribableList.rebuildHetero(DescribableList.java:208)
        at jenkins.model.GlobalCloudConfiguration.configure(GlobalCloudConfiguration.java:24)
        at jenkins.model.Jenkins.configureDescriptor(Jenkins.java:3677)
        at jenkins.model.Jenkins.doConfigSubmit(Jenkins.java:3640)
        at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
        at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:343)
        ... 61 more
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class jenkins.plugins.openstack.compute.SlaveOptions from {"imageId":"","hardwareId":"","networkId":"","userDataId":"","instanceCap":"","floatingIpPool":"","securityGroups":"","availabilityZone":"","startTimeout":"","keyPairName":"","numExecutors":"","jvmOptions":"","slaveType":"","fsRoot":"","credentialsId":"","retentionTime":"","stapler-class":"jenkins.plugins.openstack.compute.SlaveOptions","$class":"jenkins.plugins.openstack.compute.SlaveOptions"}
        at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:680)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:478)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:474)
        at hudson.model.Descriptor.newInstance(Descriptor.java:591)
        ... 78 more
Caused by: java.lang.IllegalArgumentException: Failed to convert the slaveType parameter of the constructor public jenkins.plugins.openstack.compute.SlaveOptions(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.Integer,java.lang.String,java.lang.String,java.lang.String,java.lang.Integer,java.lang.String,java.lang.Integer,java.lang.String,java.lang.String,java.lang.String,jenkins.plugins.openstack.compute.JCloudsCloud$SlaveType,java.lang.Integer)
        at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:779)
        at org.kohsuke.stapler.RequestImpl.access$200(RequestImpl.java:83)
        at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:678)
        ... 81 more
Caused by: java.lang.IllegalArgumentException: No enum constant jenkins.plugins.openstack.compute.JCloudsCloud.SlaveType.
        at java.lang.Enum.valueOf(Enum.java:238)
        at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:732)
        at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:478)
        at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:777)
        ... 83 more