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Warning Error While Removing Context Java.lang.nullpointerexception

Could you please shed some light as to the location of the commons-logging.jar, commons-logging-api.jar and jcl104-over-slf4j.jar as found in your deployment? All Rights Reserved Privacy Policy ASF Bugzilla – Bug51162 NPE at org.apache.catalina.core.ContainerBase.removeChild() Last modified: 2011-07-02 11:46:17 UTC Home | New | Browse | Search | [?] | Reports | Help | more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Development Recent Posts Statistics RSS (Opens New Window) Answer (Unmark) Mark as an Answer Threads [ Previous | Next ] portlet installation problem - java.lang.NullPointerException Leo Pap June 21, 2009 1:49 http://maxspywareremover.com/warning-error/warning-error-while-removing-context-java-util-concurrentmodificationexception.php

I never remember this issue and it always seemed to cost me the better part of a day when deploying new services. java tomcat share|improve this question asked Aug 4 '11 at 19:22 dreamer13134 2801317 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote I'm just taking a I really didnt mean It. In short, Matt Jensen found a bug in Tomcat version 5.5.15. http://stackoverflow.com/questions/15854454/deploy-web-service-on-tomcat

Many thanks! Home | New | Browse | Search | [?] | Reports | Help | NewAccount | Log In Remember [x] | Forgot Password Login: [x] DashboardsProjectsIssues Help Online Help Keyboard Shortcuts Not the answer you're looking for? Was user-agent identification used for some scripting attack techique?

null [LOOKUP] Looking for a resource file of name [META-INF/services/org.apache.commons.logging.LogFactory] to define the LogFactory subclass to use... reply | permalink Mark Miller Its pretty nuts, cause the null check protecting against that appears to have been in well pre 1.3. How can this be ?I would really appreciate your helpThanks Sign in to vote. Later when the webapp is undeployed, WebappClassLoader calls the static JCL method LogFactory.release(this) which finds the SLF4J instance and calls its release() method.

People Assignee: SLF4J developers list Reporter: bjorn Votes: 0 Vote for this issue Watchers: 0 Start watching this issue Dates Created: 24/May/06 10:01 AM Updated: 10/Apr/15 5:49 PM Resolved: 13/Jun/06 9:27 I haven't actuallyduplicated the issue myself though.Thanks,ErikOct 29, 2008 10:14:31 AM org.apache.catalina.startup.HostConfigundeployAppsWARNING: Error while removing context [/search]java.lang.NullPointerExceptionatorg.apache.solr.servlet.SolrDispatchFilter.destroy(SolrDispatchFilter.java:123)atorg.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:253)atorg.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3670)atorg.apache.catalina.core.StandardContext.stop(StandardContext.java:4354)atorg.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)atorg.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1191)atorg.apache.catalina.startup.HostConfig.stop(HostConfig.java:1162)atorg.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)atorg.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)atorg.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1055)atorg.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)atorg.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)atorg.apache.catalina.core.StandardService.stop(StandardService.java:510)atorg.apache.catalina.core.StandardServer.stop(StandardServer.java:734)at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)at org.apache.catalina.startup.Catalina.start(Catalina.java:577)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:597)atorg.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)--Regards,Shalin Shekhar Mangar. The webapp has jcl104-over-slf4j.jar in its WEB-INF/lib, and when Tomcat undeploys the webapp, it somehow causes the release method to be called. https://coderanch.com/t/87568/Tomcat/NPE-error-undeploying Am I interrupting my husband's parenting?

Join them; it only takes a minute: Sign up Tomcat website deployment error up vote 0 down vote favorite I have a tomcat website (octane generated) which I am trying to The only logging jars I can identify are these: bin/commons-logging-api.jar bin/tomcat-juli.jar webapps/hang/WEB-INF/lib/jcl104-over-slf4j.jar webapps/hang/WEB-INF/lib/slf4j-simple.jar I did not configure JCL, so its discovery finds java.util.logging. Many thanks! find conf -name "*mywar*" conf/Catalina/localhost/mywar.xmlThe file simply contained: I deleted the file, stopped and restarted Tomcat again, and blammo - webapp deployed.

The only logging jars I can identify are these: bin/commons-logging-api.jar bin/tomcat-juli.jar webapps/hang/WEB-INF/lib/jcl104-over-slf4j.jar webapps/hang/WEB-INF/lib/slf4j-simple.jar I did not configure JCL, so its discovery finds java.util.logging. https://bz.apache.org/bugzilla/show_bug.cgi?id=51162 Post Reply Bookmark Topic Watch Topic New Topic programming forums Java Java JSRs Mobile Certification Databases Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: Tomcat NPE Hide Permalink Ken Fyten added a comment - 18/Aug/10 12:02 PM Actually, this is the expected behavior. Anyone encountered issues with Tomcat shutdowns or undeploysof Solrcontexts?

Possible solutions: either upgrade to Tomcat 5.5.17, or patch src/java/org/apache/commons/logging/impl/SLF4FLogFactory.java so that release() doesn't throw this exception. navigate here Browse other questions tagged java tomcat or ask your own question. I can not install the new version and i get Null pointer exceptions : WARNING: Error while removing context java.lang.NullPointerException at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.destroy(PortalClassLoaderFilter.java:58) at org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:332) at org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3744) at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4513) at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:924) at asked 5 years ago viewed 1547 times active 5 years ago Blog Stack Overflow Podcast #93 - A Very Spolsky Halloween Special Related 0Axis2 with OpenEJB error on Tomcat2Tomcat fails to

Then whenever I make a change, Tomcat will automatically reload the context. I appreciate it. com [Download message RAW] Hi all, Sorry for the mishap in my previous mail. Check This Out Bug 51162, which was fixed in v6.0.33, seems very similar to your problem. –andyb Apr 6 '13 at 18:34 apache-tomcat-6.0.20 –user2034269 Apr 6 '13 at 18:47 time

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assuming the NPE is coming from the "cores.shutdown();" call in destroy(), i could imagine this might happen if tomcat decided to call destroy() more then once ...

Why is the size of my email about a third bigger than the size of its attached files? After that many problems have occured. and i have also changed the port to 8081 in the connector tag of the server.xml. ================================================================= 17 Apr, 2007 8:43:38 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8081 17 Description Ondra Žižka 2011-05-06 18:56:08 UTC 6.5.2011 20:54:01 org.apache.catalina.startup.HostConfig checkResources INFO: Undeploying context [/test] 6.5.2011 20:54:01 org.apache.catalina.startup.HostConfig checkResources WARNING: Error while removing context [/test] java.lang.NullPointerException at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:923) at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1212) at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1380)

This exception is seen randomly and does not appear for any specific test-case: . null [LOOKUP] Creating an instance of LogFactory class org.apache.commons.logging.impl.SLF4FLogFactory as specified by file 'META-INF/services/org.apache.commons.logging.LogFactory' which was present in the path of the context classloader. This had worked in a similar situation a few weeks back. this contact form Preferences responses expanded Hotkey:s font variable Hotkey:f user style avatars Hotkey:a 4 users in discussion Erik Hatcher (2) Mark Miller (1) Shalin Shekhar Mangar (1) Chris Hostetter (1) Content Home Groups

What does "M.C." in "M.C. DIH out of memory exception Discussion Navigation viewthread | post Discussion Overview groupsolr-user @ categorieslucene postedNov 20, '08 at 2:28a activeNov 20, '08 at 4:34p posts5 users4 websitelucene.apache.org... Try JIRA - bug tracking software for your team. please kindly let me know how to go about solving this.

Solutions? The diagnostics indicate that Tomcat's JCL-LogFactory finds the SLF4J implementation and uses it for its WebappClassLoader. What is an instant of time? null[LOOKUP] Looking for system property [org.apache.commons.logging.LogFactory] to define the LogFactory subclass to use...

This has been reproduced in Tomcat 5.0.28 and Tomcat 5.5.15, but Tomcat 5.5.17 recovers from the problem and manages to undeploy the webapp anyway. I haven't actuallyduplicated the issue myself though.Thanks,ErikOct 29, 2008 10:14:31 AM org.apache.catalina.startup.HostConfigundeployAppsWARNING: Error while removing context [/search]java.lang.NullPointerExceptionatorg.apache.solr.servlet.SolrDispatchFilter.destroy(SolrDispatchFilter.java:123)atorg.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:253)atorg.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3670)atorg.apache.catalina.core.StandardContext.stop(StandardContext.java:4354)atorg.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)atorg.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1191)at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1162)atorg.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)atorg.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)atorg.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1055)atorg.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)atorg.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)atorg.apache.catalina.core.StandardService.stop(StandardService.java:510)atorg.apache.catalina.core.StandardServer.stop(StandardServer.java:734)at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)at org.apache.catalina.startup.Catalina.start(Catalina.java:577)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:597)at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)--Regards,Shalin Shekhar Mangar. Now I have done some more testing by turning on diagnostics in JCL. Hide Permalink Deryk Sinotte added a comment - 12/Aug/10 11:28 AM Assigning to Mandeep to verify if this is still a problem or not.

In my subsequent research, I found that this file can be used to register a webapp with Tomcat without the need to create a war file.