Running Struts 2.3.4 build #481 on JBoss 5 I'm getting the following
NullPointerException on startup. It seems benign, and happens with devMode
either true or false.
2012-06-06 12:50:18,539 INFO
[com.opensymphony.xwork2.config.impl.DefaultConfiguration] (HDScanner)
Overriding property struts.i18n.reload - old value: false new value: true
2012-06-06 12:50:18,539 INFO
[com.opensymphony.xwork2.config.impl.DefaultConfiguration] (HDScanner)
Overriding property struts.configuration.xml.reload - old value: false new
value: true
2012-06-06 12:50:18,539 INFO
[com.opensymphony.xwork2.config.impl.DefaultConfiguration] (HDScanner)
Overriding property struts.freemarker.templatesCache.updateDelay - old value:
1800 new value: 0
2012-06-06 12:50:18,539 INFO [org.apache.struts2.config.BeanSelectionProvider]
(HDScanner) Loading global messages from global
2012-06-06 12:50:18,637 ERROR
[org.apache.struts2.convention.PackageBasedActionConfigBuilder] (HDScanner)
Unable to scan named packages
java.lang.NullPointerException
at
com.opensymphony.xwork2.util.finder.UrlSet.includeClassesUrl(UrlSet.java:199)
at
org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildUrlSet(PackageBasedActionConfigBuilder.java:428)
at
org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:387)
at
org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:345)
at
org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:53)
at
com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:244)
at
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
at
org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:390)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437)
at
org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
at
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.init(StrutsPrepareFilter.java:50)
at
org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:234)
at
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:332)
at
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:90)
at
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3783)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4413)
at
org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310)
at
org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142)
at
org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)
at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
at org.jboss.web.deployers.WebModule.start(WebModule.java:97)
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