Additional info…

Case 1: org.acegisecurity.ldap.LdapDataAccessException: LdapCallback;LDAP 
response read timed out, timeout used:60000ms.; nested exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms.; remaining name ‘'
Case 2: org.acegisecurity.ldap.LdapDataAccessException: Failed to obtain 
InitialDirContext due to unexpected exception; nested exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:30000ms.
Case 3: org.acegisecurity.ldap.LdapDataAccessException: LdapCallback;null; 
nested exception is javax.naming.PartialResultException [Root exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms. [Root exception is com.sun.jndi.ldap.LdapReferralException: 
Continuation Reference; remaining name '']; remaining name ‘']


Looks like 3 different errors/conditions.




Failed to search LDAP for username=ABCD
org.acegisecurity.ldap.LdapDataAccessException: LdapCallback;LDAP response read 
timed out, timeout used:60000ms.; nested exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms.; remaining name ''
        at 
org.acegisecurity.ldap.LdapTemplate$LdapExceptionTranslator.translate(LdapTemplate.java:295)
        at org.acegisecurity.ldap.LdapTemplate.execute(LdapTemplate.java:128)
        at 
org.acegisecurity.ldap.LdapTemplate.searchForSingleEntry(LdapTemplate.java:246)
        at 
org.acegisecurity.ldap.search.FilterBasedLdapUserSearch.searchForUser(FilterBasedLdapUserSearch.java:119)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:839)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:790)
        at 
jenkins.security.ImpersonatingUserDetailsService.loadUserByUsername(ImpersonatingUserDetailsService.java:32)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.loadUserDetails(TokenBasedRememberMeServices.java:308)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.autoLogin(TokenBasedRememberMeServices.java:218)
        at 
hudson.security.TokenBasedRememberMeServices2.autoLogin(TokenBasedRememberMeServices2.java:128)
        at 
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:104)
        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$1.doFilter(ChainedServletFilter.java:87)
        at 
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:370)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
        at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        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:745)
Caused by: javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms.; remaining name ''
        at com.sun.jndi.ldap.Connection.readReply(Connection.java:481)
        at com.sun.jndi.ldap.LdapClient.getSearchReply(LdapClient.java:640)
        at com.sun.jndi.ldap.LdapClient.search(LdapClient.java:563)
        at com.sun.jndi.ldap.LdapCtx.doSearch(LdapCtx.java:1985)
        at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1844)
        at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1769)
        at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1786)
        at 
com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:418)
        at 
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:396)
        at 
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:378)
        at 
javax.naming.directory.InitialDirContext.search(InitialDirContext.java:286)
        at 
org.acegisecurity.ldap.LdapTemplate$3.doInDirContext(LdapTemplate.java:249)
        at org.acegisecurity.ldap.LdapTemplate.execute(LdapTemplate.java:126)
        ... 49 more



Jan 20, 2016 3:36:32 PM WARNING 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService loadUserByUsername

Failed to search LDAP for username=ABCD
org.acegisecurity.ldap.LdapDataAccessException: Failed to obtain 
InitialDirContext due to unexpected exception; nested exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:30000ms.
        at 
org.acegisecurity.ldap.DefaultInitialDirContextFactory.connect(DefaultInitialDirContextFactory.java:193)
        at 
org.acegisecurity.ldap.DefaultInitialDirContextFactory.newInitialDirContext(DefaultInitialDirContextFactory.java:261)
        at 
org.acegisecurity.ldap.DefaultInitialDirContextFactory.newInitialDirContext(DefaultInitialDirContextFactory.java:241)
        at org.acegisecurity.ldap.LdapTemplate.execute(LdapTemplate.java:123)
        at 
org.acegisecurity.ldap.LdapTemplate.searchForSingleEntry(LdapTemplate.java:246)
        at 
org.acegisecurity.ldap.search.FilterBasedLdapUserSearch.searchForUser(FilterBasedLdapUserSearch.java:119)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:839)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:790)
        at 
jenkins.security.ImpersonatingUserDetailsService.loadUserByUsername(ImpersonatingUserDetailsService.java:32)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.loadUserDetails(TokenBasedRememberMeServices.java:308)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.autoLogin(TokenBasedRememberMeServices.java:218)
        at 
hudson.security.TokenBasedRememberMeServices2.autoLogin(TokenBasedRememberMeServices2.java:128)
        at 
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:104)
        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$1.doFilter(ChainedServletFilter.java:87)
        at 
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:370)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
        at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        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:745)
Caused by: javax.naming.NamingException: LDAP response read timed out, timeout 
used:30000ms.
        at com.sun.jndi.ldap.Connection.readReply(Connection.java:481)
        at com.sun.jndi.ldap.LdapClient.ldapBind(LdapClient.java:365)
        at com.sun.jndi.ldap.LdapClient.authenticate(LdapClient.java:214)
        at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2788)
        at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:319)
        at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:192)
        at 
com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:210)
        at 
com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:153)
        at 
com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:83)
        at 
javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
        at 
javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
        at javax.naming.InitialContext.init(InitialContext.java:244)
        at javax.naming.InitialContext.<init>(InitialContext.java:216)
        at 
javax.naming.directory.InitialDirContext.<init>(InitialDirContext.java:101)
        at 
org.acegisecurity.ldap.DefaultInitialDirContextFactory.connect(DefaultInitialDirContextFactory.java:180)
        ... 52 more





From: Ashish Yadav <ashish.ya...@firemon.com<mailto:ashish.ya...@firemon.com>>
Reply-To: 
"jenkinsci-users@googlegroups.com<mailto:jenkinsci-users@googlegroups.com>" 
<jenkinsci-users@googlegroups.com<mailto:jenkinsci-users@googlegroups.com>>
Date: Wednesday, January 20, 2016 at 2:35 PM
To: Jenkins Users 
<jenkinsci-users@googlegroups.com<mailto:jenkinsci-users@googlegroups.com>>
Subject: LDAP Read Timeouts

I am running Jenkins version 1.609.3 with LDAP plugin version 1.11

Lately, I have been seeing these errors in the logs.


Jan 20, 2016 1:57:27 PM WARNING 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService loadUserByUsername

Failed to search LDAP for username=ABCD
org.acegisecurity.ldap.LdapDataAccessException: LdapCallback;null; nested 
exception is javax.naming.PartialResultException [Root exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms. [Root exception is com.sun.jndi.ldap.LdapReferralException: 
Continuation Reference; remaining name '']; remaining name '']
        at 
org.acegisecurity.ldap.LdapTemplate$LdapExceptionTranslator.translate(LdapTemplate.java:295)
        at org.acegisecurity.ldap.LdapTemplate.execute(LdapTemplate.java:128)
        at 
org.acegisecurity.ldap.LdapTemplate.searchForSingleEntry(LdapTemplate.java:246)
        at 
org.acegisecurity.ldap.search.FilterBasedLdapUserSearch.searchForUser(FilterBasedLdapUserSearch.java:119)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:839)
        at 
hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:790)
        at 
jenkins.security.ImpersonatingUserDetailsService.loadUserByUsername(ImpersonatingUserDetailsService.java:32)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.loadUserDetails(TokenBasedRememberMeServices.java:308)
        at 
org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices.autoLogin(TokenBasedRememberMeServices.java:218)
        at 
hudson.security.TokenBasedRememberMeServices2.autoLogin(TokenBasedRememberMeServices2.java:128)
        at 
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:104)
        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$1.doFilter(ChainedServletFilter.java:87)
        at 
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
        at 
org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:370)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
        at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        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:745)
Caused by: javax.naming.PartialResultException [Root exception is 
javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms. [Root exception is com.sun.jndi.ldap.LdapReferralException: 
Continuation Reference; remaining name '']; remaining name '']
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreImpl(AbstractLdapNamingEnumeration.java:237)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreReferrals(AbstractLdapNamingEnumeration.java:347)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreImpl(AbstractLdapNamingEnumeration.java:227)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreReferrals(AbstractLdapNamingEnumeration.java:347)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreImpl(AbstractLdapNamingEnumeration.java:227)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreReferrals(AbstractLdapNamingEnumeration.java:347)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreImpl(AbstractLdapNamingEnumeration.java:227)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMore(AbstractLdapNamingEnumeration.java:189)
        at 
org.acegisecurity.ldap.LdapTemplate$3.doInDirContext(LdapTemplate.java:257)
        at org.acegisecurity.ldap.LdapTemplate.execute(LdapTemplate.java:126)
        ... 49 more
Caused by: javax.naming.NamingException: LDAP response read timed out, timeout 
used:60000ms. [Root exception is com.sun.jndi.ldap.LdapReferralException: 
Continuation Reference; remaining name '']; remaining name ''
        at com.sun.jndi.ldap.Connection.readReply(Connection.java:481)
        at com.sun.jndi.ldap.LdapClient.getSearchReply(LdapClient.java:640)
        at com.sun.jndi.ldap.LdapClient.search(LdapClient.java:563)
        at com.sun.jndi.ldap.LdapCtx.doSearch(LdapCtx.java:1985)
        at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1844)
        at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1769)
        at 
com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:392)
        at 
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:358)
        at 
com.sun.jndi.ldap.LdapReferralContext.search(LdapReferralContext.java:667)
        at 
com.sun.jndi.ldap.LdapSearchEnumeration.getReferredResults(LdapSearchEnumeration.java:205)
        at 
com.sun.jndi.ldap.LdapSearchEnumeration.getReferredResults(LdapSearchEnumeration.java:41)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreReferrals(AbstractLdapNamingEnumeration.java:330)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreImpl(AbstractLdapNamingEnumeration.java:227)
        ... 58 more
Caused by: com.sun.jndi.ldap.LdapReferralException: Continuation Reference; 
remaining name ''
        at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2928)
        at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2888)
        at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1846)
        at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1769)
        at 
com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:392)
        at 
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:358)
        at 
com.sun.jndi.ldap.LdapReferralContext.search(LdapReferralContext.java:667)
        at 
com.sun.jndi.ldap.LdapSearchEnumeration.getReferredResults(LdapSearchEnumeration.java:205)
        at 
com.sun.jndi.ldap.LdapSearchEnumeration.getReferredResults(LdapSearchEnumeration.java:41)
        at 
com.sun.jndi.ldap.AbstractLdapNamingEnumeration.hasMoreReferrals(AbstractLdapNamingEnumeration.java:330)
        ... 57 more



Nothing has changed in jenkins (configuration) or on the LDAP side. What could 
be causing this issue and any ideas on how to solve it?

I am running Jenkins on Centos 6.5



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