HELP!!When open Confluence website, error comes: A system error has occurred ? our apologies!
Asked by Terrence Li:

[![logo](http://pirate/confluence/images/logo/confluence_48_white.png "Confluence")](http://pirate/confluence/) System Error {#toc-hId-1878133679}
==================================================================================================================================================

A system error has occurred --- our apologies!

For immediate troubleshooting, consult our **[knowledge base](http://confluence.atlassian.com/display/CONFKB/Confluence+Knowledge+Base+Home)** for a solution.

If you would like to receive support from Atlassian's support team, ask your **[Confluence administrator](http://pirate/confluence/contactadministrators.action)** to create a support issue on [Atlassian's support system](http://support.atlassian.com) with the following information:

1. a description of your problem and what you were doing at the time it occurred
2. a copy of the error and system information found below
3. a copy of the application logs (if possible).

Your Confluence administrator can use the **[support request form](http://pirate/confluence/admin/raisesupportrequest.action)** to create a support ticket which will include this information.

We will respond as promptly as possible.  
Thank you!

[**Return to site homepage...**](http://pirate/confluence/)
The SystemInformationService could not be retrieved from the container. Therefore very limited information is available in this error report.   
The SystemInformationService could not be retrieved due to the following error: java.lang.NullPointerException  

### Cause {#toc-hId--1067050292}

com.atlassian.util.concurrent.LazyReference$InitializationException: java.lang.NullPointerException  
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:152)

caused by: java.lang.NullPointerException  
at com.atlassian.spring.container.ContainerManager.getComponent(ContainerManager.java:33)

#### Stack Trace:\[hide\] {#toc-hId-479246538}

```
com.atlassian.util.concurrent.LazyReference$InitializationException: java.lang.NullPointerException	at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:152)	at com.atlassian.util.concurrent.LazyReference.get(LazyReference.java:115)	at com.atlassian.confluence.web.filter.LanguageExtractionFilter.getLocaleManager(LanguageExtractionFilter.java:63)	at com.atlassian.confluence.web.filter.LanguageExtractionFilter.doFilter(LanguageExtractionFilter.java:48)	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at com.atlassian.confluence.util.RequestCacheThreadLocalFilter.doFilter(RequestCacheThreadLocalFilter.java:25)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at com.atlassian.confluence.servlet.FourOhFourErrorLoggingFilter.doFilter(FourOhFourErrorLoggingFilter.java:65)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)	at java.lang.Thread.run(Unknown Source)Caused by: java.lang.NullPointerException	at com.atlassian.spring.container.ContainerManager.getComponent(ContainerManager.java:33)	at com.atlassian.confluence.util.LazyComponentReference$Accessor.get(LazyComponentReference.java:44)	at com.atlassian.util.concurrent.Lazy$Strong.create(Lazy.java:88)	at com.atlassian.util.concurrent.LazyReference$Sync.run(LazyReference.java:326)	at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:146)	... 25 more        
```

### Referer URL {#toc-hId--1876396918}

Unknown


Answers:
author: Terrence Li
body: I found the solution!!!

just Clear Confluence Plugins Cache by

<https://confluence.atlassian.com/display/CONFKB/How+to+Clear+Confluence+Plugins+Cache>

comments: author: Anoop Vijayan
body: Thanks! You saved my day !


author: Ryan Taylor
body: Worked for me as well, thanks!


author: Terrence Li
body: I found the solution!!!

just Clear Confluence Plugins Cache by

<https://confluence.atlassian.com/display/CONFKB/How+to+Clear+Confluence+Plugins+Cache>

comments: author: MikeA
body: this did not work for me - guess i'll have to file a support ticket


author: Terrence Li
body: In Logs, It shows:

WARN \[http-8090-1\] \[atlassian.confluence.status.SystemErrorInformatinLogger\] writeToLog No SystemInformationService could be retrieced from the Container

INFO \[http-8090-1\] Build Informatin: Can't retrieve build information - no SystemInformationService available


author: Terrence Li
body: My Java -showversion:

java version "1.6.0_24"

OpenJDK Runtime Environment (IcedTea6 1.11.1) (6b24-1.11.1-4ubuntu2)

openJDK 64-bit Server VM (Build 20.0-b12, mixed mode)


Tags: null-pointer-exception