javax.servlet.ServletException: java.lang.RuntimeException: Failed to instantiate class hudson.slaves.DumbSlave from {"name":"worker","nodeDescription":"automatically created","numExecutors":1,"remoteFS":"/tmp","labelString":"ruby","mode":"NORMAL","type":"hudson.slaves.DumbSlave$DescriptorImpl","retentionStrategy":{"stapler-class":"hudson.slaves.RetentionStrategy$Always"},"nodeProperties":{"stapler-class-bag":"true"},"launcher":{"stapler-class":"hudson.plugins.sshslaves.SSHLauncher","host":"buster-do-02.crowdtap.com","port":22,"username":"user","privatekey":"ssh-key"}}

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by michaeldauria
, 1 year ago
$DescriptorImpl","retentionStrategy":{"stapler-class":"hudson.slaves.RetentionStrategy$Always"},"nodeProperties":{"stapler-class-bag":"true"},"launcher":{"stapler-class":"hudson.plugins.sshslaves.SSHLauncher","host":"buster-do-02.crowdtap.com","port":22,"username":"user","privatekey":"ssh-key"}}
via Jenkins JIRA by Charese Williams, 1 year ago
java.lang.RuntimeException: Failed to instantiate class hudson.slaves.DumbSlave from {"name":"Perm-Parallel Build Node (i-414661ff)","nodeDescription":"","numExecutors":"1","remoteFS":"/opt/jenkins","labelString":"","mode":"NORMAL
via Jenkins JIRA by Charese Williams, 1 year ago
java.lang.RuntimeException: Failed to instantiate class hudson.slaves.DumbSlave from {"name":"Perm-Parallel Build Node (i-414661ff)","nodeDescription":"","numExecutors":"1","remoteFS":"/opt/jenkins","labelString":"","mode":"NORMAL
via GitHub by szmeti
, 4 months ago
org.scribe.exceptions.OAuthException: Response body is incorrect. Can't extract token and secret from this: 'Could not verify OAuth request.'
via Jenkins JIRA by Alok Nagaonkar, 1 year ago
org.scribe.exceptions.OAuthConnectionException: There was a problem while creating a connection to the remote service.
via Jenkins JIRA by Alok Nagaonkar, 1 year ago
org.scribe.exceptions.OAuthConnectionException: There was a problem while creating a connection to the remote service.
java.lang.NullPointerException:
at com.cloudbees.plugins.credentials.matchers.IdMatcher.(IdMatcher.java:49)
at com.cloudbees.plugins.credentials.CredentialsMatchers.withId(CredentialsMatchers.java:112)
at hudson.plugins.sshslaves.SSHLauncher.lookupSystemCredentials(SSHLauncher.java:228)
at hudson.plugins.sshslaves.SSHLauncher.(SSHLauncher.java:224)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at org.kohsuke.stapler.RequestImpl.invokeConstructor(RequestImpl.java:439)
at org.kohsuke.stapler.RequestImpl.access$200(RequestImpl.java:77)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:595)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:392)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:589)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:392)
at hudson.model.Descriptor.newInstance(Descriptor.java:567)
at hudson.model.ComputerSet.doDoCreateItem(ComputerSet.java:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:201)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:587)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96)
at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
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 hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
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 hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:55)
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$1.doFilter(ChainedServletFilter.java:87)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 1 year ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.