Malformed request syntax (400)

The requested URL /content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html resulted in an error in Sling (Ad Hoc) Default Error Handler Servlet.

Request Progress:

      0 TIMER_START{Request Processing}
      0 COMMENT timer_end format is {<elapsed microseconds>,<timer name>} <optional message>
      2 LOG Method=GET, PathInfo=null
      2 TIMER_START{handleSecurity}
    713 TIMER_END{709,handleSecurity} authenticator org.apache.sling.auth.core.impl.SlingAuthenticator@7b161af6 returns true
    876 TIMER_START{ResourceResolution}
   1156 TIMER_END{279,ResourceResolution} URI=/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html resolves to Resource=NonExistingResource, path=/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html
   1160 LOG Resource Path Info: SlingRequestPathInfo: path='/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html', selectorString='.part_restricted', extension='html', suffix='null'
   1160 TIMER_START{ServletResolution}
   1161 TIMER_START{resolveServlet(/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html)}
   1766 LOG {0}: no servlet found
   1770 TIMER_END{607,resolveServlet(/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html)} Using servlet org.apache.sling.servlets.get.DefaultGetServlet
   1771 TIMER_END{611,ServletResolution} URI=/content/tpd/de/de/hintergrundanalysen/articles/2019/q4/em-debt-reveals-its-strength-as-a-growth-asset..part_restricted.html handled by Servlet=org.apache.sling.servlets.get.DefaultGetServlet
   1772 LOG Applying Requestfilters
   1775 LOG Calling filter: com.adobe.granite.resourceresolverhelper.impl.ResourceResolverHelperImpl
   1778 LOG Calling filter: org.apache.sling.security.impl.ContentDispositionFilter
   1779 LOG Calling filter: com.adobe.granite.csrf.impl.CSRFFilter
   1782 LOG Calling filter: org.apache.sling.i18n.impl.I18NFilter
   1784 LOG Calling filter: com.adobe.granite.httpcache.impl.InnerCacheFilter
   1787 LOG Calling filter: org.apache.sling.rewriter.impl.RewriterFilter
   1788 LOG Calling filter: com.day.cq.wcm.core.impl.WCMRequestFilter
   1790 LOG Calling filter: com.adobe.acs.commons.redirects.filter.RedirectFilter
   2208 LOG Calling filter: com.adobe.fd.core.security.internal.CurrentUserServiceImpl
   2351 LOG Calling filter: com.adobe.cq.wcm.core.components.internal.servlets.CoreFormHandlingServlet
   2353 LOG Calling filter: com.adobe.granite.optout.impl.OptOutFilter
   2356 LOG Calling filter: com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet
   2357 LOG Calling filter: com.adobe.cq.social.commons.cors.CORSAuthenticationFilter
   2358 LOG Calling filter: com.adobe.livecycle.dsc.clientsdk.internal.ResourceResolverHolderFilter
   2360 LOG Calling filter: org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter
   2473 LOG Calling filter: com.adobe.livecycle.content.appcontext.impl.AppContextFilter
   2476 LOG Calling filter: com.adobe.cq.wcm.core.extensions.amp.internal.AmpModeForwardFilter
   2503 LOG Calling filter: com.trp.twx.tpd.filter.CanonicalUrlFilter
   2507 LOG Calling filter: com.trp.twx.tpd.filter.FilterForRestrictedCountries
   2511 LOG Calling filter: com.trp.aem.alaska.core.filters.LoggingFilter
   2513 LOG Calling filter: com.trp.aem.cloudmanagerpoc.core.filters.LoggingFilter
   2513 LOG Calling filter: com.trp.wtc.trowecorp.filters.LoggingFilter
   2514 LOG Calling filter: com.trp.aem.iinvestor.piweb.core.filters.LoggingFilter
   2516 LOG Calling filter: com.trp.gdx.filter.SiteIdFilter
   2577 LOG Calling filter: com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter
   2578 LOG Calling filter: com.day.cq.wcm.core.impl.AuthoringUIModeServiceImpl
   2582 LOG Calling filter: com.trp.gdx.servlet.filter.UserServicesServletFilter
   2588 LOG Calling filter: com.adobe.granite.rest.assets.impl.AssetContentDispositionFilter
   2589 LOG Calling filter: com.adobe.granite.requests.logging.impl.RequestLoggerImpl
   2591 LOG Calling filter: com.adobe.granite.rest.impl.servlet.ApiResourceFilter
   2593 LOG Calling filter: com.day.cq.dam.core.impl.servlet.ActivityRecordHandler
   2596 LOG Calling filter: com.day.cq.dam.core.impl.assetlinkshare.AdhocAssetShareAuthHandler
   2597 LOG Calling filter: com.adobe.cq.social.ugcbase.security.impl.SaferSlingPostServlet
   2601 LOG Applying Componentfilters
   2602 LOG Calling filter: com.day.cq.personalization.impl.TargetComponentFilter
   2603 LOG Calling filter: com.day.cq.wcm.core.impl.page.PageLockFilter
   2604 LOG Calling filter: com.day.cq.wcm.core.impl.WCMComponentFilter
   2610 LOG Calling filter: com.day.cq.wcm.core.impl.WCMDebugFilter
   2616 LOG Applying Error filters
   2617 LOG Calling filter: org.apache.sling.i18n.impl.I18NFilter
   2618 LOG Calling filter: org.apache.sling.rewriter.impl.RewriterFilter
   2619 TIMER_START{handleError:status=400}
   2847 TIMER_END{227,handleError:status=400} Using handler Sling (Ad Hoc) Default Error Handler Servlet
   3153 LOG Found processor for post processing ProcessorConfiguration: {contentTypes=[text/html], order=-1, active=true, valid=true, processErrorResponse=true, pipeline=(generator=Config(type=htmlparser, config=JcrPropertyMap [node=Node[NodeDelegate{tree=/apps/workplace-fdi/config/rewriter/default/generator-htmlparser: { jcr:primaryType = nt:unstructured, includeTags = [A, /A, IMG, AREA, FORM, BASE, LINK, SCRIPT, BODY, /BODY]}}], values={jcr:primaryType=nt:unstructured, includeTags=[Ljava.lang.String;@30e23daa}]), transformers=(Config(type=linkchecker, config={}), Config(type=mobile, config=JcrPropertyMap [node=Node[NodeDelegate{tree=/apps/workplace-fdi/config/rewriter/default/transformer-mobile: { jcr:primaryType = nt:unstructured, component-optional = true}}], values={jcr:primaryType=nt:unstructured, component-optional=true}]), Config(type=mobiledebug, config=JcrPropertyMap [node=Node[NodeDelegate{tree=/apps/workplace-fdi/config/rewriter/default/transformer-mobiledebug: { jcr:primaryType = nt:unstructured, component-optional = true}}], values={jcr:primaryType=nt:unstructured, component-optional=true}]), Config(type=contentsync, config=JcrPropertyMap [node=Node[NodeDelegate{tree=/apps/workplace-fdi/config/rewriter/default/transformer-contentsync: { jcr:primaryType = nt:unstructured, component-optional = true}}], values={jcr:primaryType=nt:unstructured, component-optional=true}]), Config(type=versioned-clientlibs, config={}), serializer=Config(type=htmlwriter, config={}))}
   3238 TIMER_END{3237,Request Processing} Dumping SlingRequestProgressTracker Entries

ApacheSling/2.7 (jetty/9.4.49.v20220914, Java HotSpot(TM) 64-Bit Server VM 11.0.8, Linux 3.10.0-1160.105.1.el7.x86_64 amd64)