NullPointerException in OFBizAbstractProvider.findUser

2009-08-28 03:25:39,161 http-j2ee.jira.atlassian.com%2F127.0.0.101-8080-Processor37 ERROR anonymous 12290x128x98 1fhzblr http://jira.atlassian.com/browse/CRUC-751 [com.opensymphony.workflow.AbstractWorkflow] Error checking available  actions
com.opensymphony.workflow.WorkflowException: Unknown exception encountered when checking condition com.opensymphony.workflow.util.OSUserGroupCondition@afbd73: root cause: java.lang.NullPointerException
        at com.opensymphony.workflow.AbstractWorkflow.passesCondition(AbstractWorkflow.java:918)
        at com.opensymphony.workflow.AbstractWorkflow.passesConditions(AbstractWorkflow.java:938)
        at com.opensymphony.workflow.AbstractWorkflow.passesConditions(AbstractWorkflow.java:962)
        at com.opensymphony.workflow.AbstractWorkflow.getAvailableActionsForStep(AbstractWorkflow.java:688)
        at com.opensymphony.workflow.AbstractWorkflow.getAvailableActions(AbstractWorkflow.java:118)
        at com.atlassian.jira.issue.IssueUtilsBean.loadAvailableActions(IssueUtilsBean.java:75)
        at com.atlassian.jira.web.component.issuesummary.IssueSummaryWebComponent.getAvailableActions(IssueSummaryWebComponent.java:90)
        at com.atlassian.jira.web.component.issuesummary.IssueSummaryWebComponent.getHtml(IssueSummaryWebComponent.java:69)
        at org.apache.jsp.decorators.issuesummary_jsp._jspService(issuesummary_jsp.java:400)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
        at com.opensymphony.module.sitemesh.filter.PageFilter.writeDecorator(PageFilter.java:173)
        at com.opensymphony.module.sitemesh.filter.PageFilter.applyDecorator(PageFilter.java:158)
        at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
...
Caused by: java.lang.NullPointerException
        at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
        at com.opensymphony.user.provider.ofbiz.OFBizAbstractProvider.findUser(OFBizAbstractProvider.java:171)
        at com.opensymphony.user.provider.ofbiz.OFBizCredentialsProvider.handles(OFBizCredentialsProvider.java:144)
        at com.opensymphony.user.UserManager.getProvider(UserManager.java:269)
        at com.opensymphony.user.UserManager.getEntity(UserManager.java:257)
        at com.opensymphony.user.UserManager.getUser(UserManager.java:181)
        at com.opensymphony.workflow.util.OSUserGroupCondition.passesCondition(OSUserGroupCondition.java:28)
        at com.opensymphony.workflow.AbstractWorkflow.passesCondition(AbstractWorkflow.java:904)
        ... 102 more