Here is the root cause:

HTTP Status 500 - com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed 
to extract Entity Resource Reference from URL 
[http://localhost:8080/xwiki/bin/view/Main/]

type Exception report

message com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to 
extract Entity Resource Reference from URL 
[http://localhost:8080/xwiki/bin/view/Main/]

description The server encountered an internal error that prevented it from 
fulfilling this request.

exception

javax.servlet.ServletException: com.xpn.xwiki.XWikiException: Error number 
11007 in 0: Failed to extract Entity Resource Reference from URL 
[http://localhost:8080/xwiki/bin/view/Main/]
        
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity 
Resource Reference from URL [http://localhost:8080/xwiki/bin/view/Main/]
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:821)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

java.lang.RuntimeException: Failed to locate wiki descriptor for alias 
[localhost]
        
org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:80)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
        
org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:817)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

org.xwiki.wiki.manager.WikiManagerException: Failed to locate 
XWiki.XWikiServerClass document for wiki alias [localhost]
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:128)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
        
org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:146)
        
org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
        
org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:817)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

org.xwiki.query.QueryException: Exception while executing query. Query 
statement = [ select doc.fullName from XWikiDocument as doc , BaseObject as _o1 
where ( doc.object ( XWiki.XWikiServerClass ) . server = :wikiAlias and 
doc.name like 'XWikiServer%' ) and doc.fullName=_o1.name and 
_o1.className='XWiki.XWikiServerClass' ]
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:175)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:118)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
        
org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:146)
        
org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
        
org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:817)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate 
execute
        
com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1330)
        
com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1391)
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:156)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:118)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
        
org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:146)
        
org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
        
org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:817)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

root cause

java.lang.NullPointerException
        org.hibernate.hql.ast.HqlSqlWalker.lookupProperty(HqlSqlWalker.java:560)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.addrExpr(HqlSqlBaseWalker.java:4774)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.expr(HqlSqlBaseWalker.java:1326)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.exprOrSubquery(HqlSqlBaseWalker.java:4471)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:3944)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:2047)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1972)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1972)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1972)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:831)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:617)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:301)
        
org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:244)
        
org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:256)
        
org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:187)
        
org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:138)
        org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
        org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
        
org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:124)
        
org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
        
org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
        org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1770)
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.createHibernateQuery(HqlQueryExecutor.java:223)
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor$1.doInHibernate(HqlQueryExecutor.java:162)
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor$1.doInHibernate(HqlQueryExecutor.java:157)
        
com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1324)
        
com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1391)
        
com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:156)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:118)
        
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
        org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:287)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
        
org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
        
org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:146)
        
org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
        
org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
        
org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
        
org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
        
org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
        
org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
        
org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
        com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:817)
        com.xpn.xwiki.XWiki.getXWiki(XWiki.java:764)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238)
        com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:193)
        
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
        
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
        org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        
org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

-----Original Message-----
From: users [mailto:users-boun...@xwiki.org] On Behalf Of Vincent Massol
Sent: Wednesday, June 29, 2016 11:09 AM
To: XWiki Users
Subject: Re: [xwiki-users] NullPointerException at HqlSqlWalker.lookupProperty( 
HqlSqlWalker.java:560)

Hi,

> On 29 Jun 2016, at 09:37, Kemalettin OCAK <ko...@havelsan.com.tr> wrote:
> 
> Hi,
> 
> I am trying to deploy production version( .war deployment ) of XWIKI 
> to Oracle11g and Tomcat environment. I tried every version of xwiki with 
> different versions of Tomcat.  It deploys the application succesfully but 
> when i request http://localhost:8080/xwiki keep getting "NullPointerException 
> at HqlSqlWalker.lookupProperty( HqlSqlWalker.java:560)" error. As far as i 
> see, tables are created at the database but i cant pass this error.

You should be able to check the xwiki log files to provide the full stack trace.

Thanks
-Vincent

> I also tried with tomcat and h2 database to check whether it's database 
> related issue and same stack trace.
> I also tried with Weblogic 11g application server and Oracle 11g database and 
> same stack trace.
> 
> 
> P.S: I could run standalone version.
> 
> Kemalettin Ocak
> Uzman Mühendis
> Havelsan A.Ş.
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Dikkat: Bu elektronik posta mesaji kisisel ve ozeldir. Eger size 
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ve giden mesajlar virus taramasindan gecirilmektedir. Mesajdaki gorusler 
gondericiye ait olup HAVELSAN A.S. resmi gorusu olmak zorunda degildir. 
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