On Wed, Apr 11, 2018, 3:00 PM Felix Schumacher < felix.schumac...@internetallee.de> wrote:
> Am 05.04.2018 15:32, schrieb Suvendu Sekhar Mondal: > > Hello Everyone, > > > > Recently in one of our environments I am seeing following log in > > Catalina.out. It seems that LDAP connection is failing. This issue is > > sporadic and goes away with Tomcat recycle. > > > > One interesting thing is "localhost:389" part. I could not find out > > any configuration related to that. It could happen that I am not > > looking at the correct place. > > > > We have 200+ JVMs out there which were starting up simultaneously but > > this happens for some of them sporadically. I suspect that some race > > condition might be causing this failure but could not found any > > evidence so far. Can someone please suggest how can I identify what is > > failing? and why it is failing? > > It would be nice to include the version of tomcat you are using. > (I am guessing it is something like 7.0.55 as the source code matches > the line > numbers in the stacktrace) > Felix, Sorry, I should have given that info upfront. You are correct. I'm using 7.0.55. If it is this version, then the message will be generated, when your > ldap server > configured by connectionURL is not reachable on startup. Tomcat will try > to > connect to the ldap server configured by alternateURL. It seems to me, > that > you have not configured one (again guessing, as you didn't give > configuration > details). In that case the jre is using localhost:389 and as there is no > LDAP server listening you get the exception. > You are right. We don't have any alternate URL configured. So, work around we are using is to start those JVMs in batches. We are working on to tune LDAP as well as to get alternate URL. Thank you for the lead. Appreciate it! :) > > Regards, > Felix > > > > Thanks! > > Suvendu > > > > Stack trace: > > 2018-04-02 20:34:27,293 INFO org.apache.catalina.startup.HostConfig - > > Deploying web application directory D:\xxx\webapps\ROOT > > 2018-04-02 20:34:33,341 SEVERE org.apache.catalina.realm.CombinedRealm > > - Failed to start "org.apache.catalina.realm.JNDIRealm/1.0" realm > > org.apache.catalina.LifecycleException: Failed to start component > > [Realm[JNDIRealm]] > > at > > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) > > at > > > org.apache.catalina.realm.CombinedRealm.startInternal(CombinedRealm.java:201) > > at > > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) > > at > > > org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5373) > > at > > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) > > at > > > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) > > at > > org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) > > at > > org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) > > at > > > org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1247) > > at > > > org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1898) > > at > > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > 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) > > Caused by: org.apache.catalina.LifecycleException: Exception opening > > directory server connection > > at > > org.apache.catalina.realm.JNDIRealm.startInternal(JNDIRealm.java:2191) > > at > > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) > > ... 14 more > > Caused by: javax.naming.CommunicationException: localhost:389 [Root > > exception is java.net.ConnectException: Connection refused: connect] > > at com.sun.jndi.ldap.Connection.<init>(Connection.java:216) > > at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:137) > > at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1614) > > at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2746) > > at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:319) > > at > > > com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:70) > > 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.apache.catalina.realm.JNDIRealm.open(JNDIRealm.java:2108) > > at > > org.apache.catalina.realm.JNDIRealm.startInternal(JNDIRealm.java:2189) > > ... 15 more > > Caused by: java.net.ConnectException: Connection refused: connect > > at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method) > > at > > java.net > .AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) > > at > > java.net > .AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) > > at > > java.net > .AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) > > at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) > > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) > > at java.net.Socket.connect(Socket.java:589) > > 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:498) > > at com.sun.jndi.ldap.Connection.createSocket(Connection.java:350) > > at com.sun.jndi.ldap.Connection.<init>(Connection.java:203) > > ... 27 more > > > > 2018-04-02 20:34:35,059 INFO org.apache.catalina.startup.HostConfig - > > Deployment of web application directory D:\xxx\webapps\ROOT has > > finished in 7,766 ms > > 2018-04-02 20:34:35,075 INFO > > org.apache.coyote.http11.Http11AprProtocol - Starting ProtocolHandler > > ["http-apr-18110"] > > 2018-04-02 20:34:35,091 INFO org.apache.coyote.ajp.AjpAprProtocol - > > Starting ProtocolHandler ["ajp-apr-18111"] > > 2018-04-02 20:34:35,091 INFO org.apache.catalina.startup.Catalina - > > Server startup in 235096 ms > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > > For additional commands, e-mail: users-h...@tomcat.apache.org > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
