java.lang.NullPointerException: null

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java.lang.NullPointerException: null
at org.dd4t.core.util.XSLTransformer.getTransformer(XSLTransformer.java:130)
at org.dd4t.core.util.XSLTransformer.transformSourceFromFilesource(XSLTransformer.java:66)
at org.dd4t.core.filters.impl.RichTextWithLinksResolverFilter.resolveXhtmlField(RichTextWithLinksResolverFilter.java:150)
at org.dd4t.core.filters.impl.RichTextWithLinksResolverFilter.resolveMap(RichTextWithLinksResolverFilter.java:124)
at org.dd4t.core.filters.impl.RichTextWithLinksResolverFilter.resolveComponent(RichTextWithLinksResolverFilter.java:113)
at org.dd4t.core.filters.impl.RichTextWithLinksResolverFilter.resolvePage(RichTextWithLinksResolverFilter.java:104)
at org.dd4t.core.filters.impl.RichTextWithLinksResolverFilter.doFilter(RichTextWithLinksResolverFilter.java:84)
at org.dd4t.core.factories.impl.BaseFactory.doFilter(BaseFactory.java:152)
at org.dd4t.core.factories.impl.BaseFactory.doFilters(BaseFactory.java:128)
at org.dd4t.core.factories.impl.GenericPageFactory.findGenericPageByUrl(GenericPageFactory.java:250)
at org.dd4t.core.factories.impl.GenericPageFactory.findPageByUrl(GenericPageFactory.java:209)
at org.dd4t.springmvc.controller.DynamicPageController.handleRequestInternal(DynamicPageController.java:124)
at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:774)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1096)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:674)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.lang.Thread.run(Unknown Source)

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