Hello,
I have been trying to start the xwiki demo from “xwiki-platform-distribution-flavor-jetty-hsqldb-9.11.7” package but I keep getting an error about java version, this is the details :
Caused by:
java.lang.NullPointerException
at org.apache.commons.lang3.SystemUtils.isJavaVersionAtLeast(SystemUtils.java:1654)
at org.apache.commons.lang3.ClassUtils.isAssignable(ClassUtils.java:760)
at org.apache.commons.lang3.reflect.TypeUtils.isAssignable(TypeUtils.java:375)
at org.apache.commons.lang3.reflect.TypeUtils.isAssignable(TypeUtils.java:326)
at org.apache.commons.lang3.reflect.TypeUtils.isInstance(TypeUtils.java:1103)
at com.xpn.xwiki.internal.filter.output.AbstractEntityOutputFilterStream.get(AbstractEntityOutputFilterStream.java:198)
at com.xpn.xwiki.internal.filter.output.AbstractEntityOutputFilterStream.getDocumentReference(AbstractEntityOutputFilterStream.java:244)
at com.xpn.xwiki.internal.filter.output.BaseClassOutputFilterStream.beginWikiClass(BaseClassOutputFilterStream.java:68)
at com.xpn.xwiki.internal.filter.XWikiDocumentFilterCollection.beginWikiClass(XWikiDocumentFilterCollection.java:139)
at jdk.internal.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.xwiki.filter.internal.FilterProxy.invoke(FilterProxy.java:90)
at org.xwiki.filter.internal.FilterProxy.invoke(FilterProxy.java:63)
at com.sun.proxy.$Proxy79.beginWikiClass(Unknown Source)
at org.xwiki.filter.xar.internal.input.ClassReader$WikiClass.send(ClassReader.java:60)
at org.xwiki.filter.xar.internal.input.DocumentLocaleReader.sendWikiClass(DocumentLocaleReader.java:577)
at org.xwiki.filter.xar.internal.input.DocumentLocaleReader.readClass(DocumentLocaleReader.java:548)
at org.xwiki.filter.xar.internal.input.DocumentLocaleReader.read(DocumentLocaleReader.java:367)
at org.xwiki.filter.xar.internal.input.DocumentLocaleReader.read(DocumentLocaleReader.java:334)
at org.xwiki.filter.xar.internal.input.XARInputFilterStream.readDocument(XARInputFilterStream.java:120)
at org.xwiki.filter.xar.internal.input.XARInputFilterStream.read(XARInputFilterStream.java:70)
at org.xwiki.filter.xar.internal.input.XARInputFilterStream.read(XARInputFilterStream.java:47)
at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79)
at com.xpn.xwiki.internal.filter.XWikiDocumentFilterUtils.importEntity(XWikiDocumentFilterUtils.java:191)
at com.xpn.xwiki.internal.filter.XWikiDocumentFilterUtils.importEntity(XWikiDocumentFilterUtils.java:155)
at com.xpn.xwiki.objects.BaseElement.fromXML(BaseElement.java:434)
at com.xpn.xwiki.objects.classes.BaseClass.fromXML(BaseClass.java:519)
at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:912)
at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:280)
at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1854)
at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1914)
at com.xpn.xwiki.XWiki.getXClass(XWiki.java:6197)
at com.xpn.xwiki.XWiki.getClass(XWiki.java:6210)
at com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:512)
at org.xwiki.query.xwql.internal.QueryContext$PropertyInfo.isCustomMapped(QueryContext.java:153)
at org.xwiki.query.xwql.internal.QueryContext$ObjectInfo.isCustomMapped(QueryContext.java:122)
at org.xwiki.query.xwql.internal.hql.ObjectPrinter.print(ObjectPrinter.java:37)
at org.xwiki.query.xwql.internal.hql.Printer.print(Printer.java:70)
at org.xwiki.query.xwql.internal.hql.XWQLtoHQLTranslator.translate(XWQLtoHQLTranslator.java:61)
at org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:97)
at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:296)
at org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
at org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
at org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:146)
at org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
at org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
at org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
at org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
at org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
at org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
at org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
at org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
at org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
at org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
at org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
at org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
at com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:930)
at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:801)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:860)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)
at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:134)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.Server.handle(Server.java:530)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
at java.base/java.lang.Thread.run(Thread.java:834)
Does anyone have a solution to this problem ?
Thanks.