[Yanel-dev] Strange exception, but which doesn't seem to hurt

Michael Wechner michael.wechner at wyona.com
Fri Jun 19 11:36:25 CEST 2009


Dear Prabodh

One more thing which I have noticed. When calling

http://127.0.0.1:8080/yanel/from-scratch-realm/de/index.html

and looking at the log-files

tail -f build/logs/log4j-cnode1.log

then one notices the following exception


113095 2009-06-19 11:31:41,260 [http-8080-Processor24] ERROR 
org.wyona.yanel.impl.resources.layoutselector.LayoutSelector.<init>():58  
- error initializing template version checker session string
113096 2009-06-19 11:31:41,261 [http-8080-Processor24] ERROR 
org.wyona.yanel.impl.resources.layoutselector.LayoutSelector.<init>():59  
- java.lang.NullPointerException
java.lang.NullPointerException
        at 
org.wyona.yanel.impl.resources.layoutselector.LayoutSelector.<init>(LayoutSelector.java:56)
        at 
sun.reflect.GeneratedConstructorAccessor39.newInstance(Unknown Source)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
        at java.lang.Class.newInstance0(Class.java:350)
        at java.lang.Class.newInstance(Class.java:303)
        at 
org.wyona.yanel.core.ResourceManager.getResource(ResourceManager.java:89)
        at 
org.wyona.yanel.core.ResourceManager.getResource(ResourceManager.java:119)
        at 
org.wyona.yanel.core.source.ResourceResolver.resolve(ResourceResolver.java:59)
        at 
org.wyona.yanel.impl.resources.BasicXMLResource.getXMLView(BasicXMLResource.java:264)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:73)
        at 
org.wyona.yanel.impl.resources.XMLResource.getView(XMLResource.java:63)
        at 
org.wyona.yanel.servlet.YanelServlet.getContent(YanelServlet.java:436)
        at org.wyona.yanel.servlet.YanelServlet.doGet(YanelServlet.java:286)
        at 
org.wyona.yanel.servlet.YanelServlet.service(YanelServlet.java:215)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.wyona.yanel.servlet.communication.YanelFilter.doFilter(YanelFilter.java:37)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)

whereas in order to see please update your local SVN

Sende          
src/realms/from-scratch-realm-template/res-types/layoutselector/src/java/org/wyona/yanel/impl/resources/layoutselector/LayoutSelector.java
Übertrage Daten .
Revision 43262 übertragen.

Maybe you can try to figure out why this problem actually occurs, 
whereas as mentioned within the subject it doesn't seem to hurt

Thanks

Michael


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