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 Google Groups by MDKF, 2 years ago
This exception has no message.
via Jenkins JIRA by Michael Fowler, 1 year ago
This exception has no message.
via Jenkins JIRA by Michael Fowler, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at hudson.plugins.active_directory.ActiveDirectoryAuthenticationProvider.retrieveUser(ActiveDirectoryAuthenticationProvider.java:88)	at org.acegisecurity.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:119)	at org.acegisecurity.providers.ProviderManager.doAuthentication(ProviderManager.java:195)	at org.acegisecurity.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:45)	at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:138)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)	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:66)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)	at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)	at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)	at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)	at java.util.concurrent.FutureTask.run(Unknown Source)	at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)