HTTP Status 400 – Bad Request


Type Exception Report

Message Invalid character found in the request target [/topicpages/TopicPageServlet?product=wws&userParam=We+analysed+the+production,+impact+factor+of,+and+scientific+collaboration+involved+in++viticulture+and+oenology+articles+associated+with+South+African+research+centres+published+in++international+journals+during+the+period+19900xe20x800x932009.+The+articles+under+scrutiny+were+obtained++from+the+Science+Citation+Index+database,+accessed+via+the+Web+of+Knowledge+platform.+The++search+strategy+employed+specific+viticulture+and+oenology+terms+and+was+restricted+to+the+field++0xe20x800x98topic0xe20x800x99.+The+results+showed+that+406+articles+were+published+during+the+review+period,+with+the++most+number+of+publications+being+in+the+South+African+Journal+of+Enology+and+Viticulture+(n+=+34,++American+Journal+of+Enology+and+Viticulture+(n+=+16+and+Journal+of+Agricultural+and+Food+Chemistry++(n+=+16.+The+articles+were+published+by+851+authors+from+236+institutions.+The+collaboration++rate+was+3.7+authors+per+article,+having+grown+over+the+two+decades+examined.+The+most++productive+institutions+(i.e.+those+receiving+a+greater+number+of+citations+were+Stellenbosch++University+(219+published+articles+and+2592+citations+and+the+Agricultural+Research+Council++(49+published+articles+and+454+citations,+both+from+South+Africa.+Graphical+representation+of++co-authorship+networks+identified+18+groups+of+authors+and+a+single+network+of+institutions++whose+core+is+Stellenbosch+University.+In+conclusion,+we+have+identified+a+significant+growth++in+South+African+viticulture+and+oenology+research+in+recent+years,+with+a+high+degree+of++internationalisation+and+a+constant+level+of+domestic+collaboration.+ ]. The valid characters are defined in RFC 7230 and RFC 3986

Description The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

Exception

java.lang.IllegalArgumentException: Invalid character found in the request target [/topicpages/TopicPageServlet?product=wws&userParam=We+analysed+the+production,+impact+factor+of,+and+scientific+collaboration+involved+in++viticulture+and+oenology+articles+associated+with+South+African+research+centres+published+in++international+journals+during+the+period+19900xe20x800x932009.+The+articles+under+scrutiny+were+obtained++from+the+Science+Citation+Index+database,+accessed+via+the+Web+of+Knowledge+platform.+The++search+strategy+employed+specific+viticulture+and+oenology+terms+and+was+restricted+to+the+field++0xe20x800x98topic0xe20x800x99.+The+results+showed+that+406+articles+were+published+during+the+review+period,+with+the++most+number+of+publications+being+in+the+South+African+Journal+of+Enology+and+Viticulture+(n+=+34,++American+Journal+of+Enology+and+Viticulture+(n+=+16+and+Journal+of+Agricultural+and+Food+Chemistry++(n+=+16.+The+articles+were+published+by+851+authors+from+236+institutions.+The+collaboration++rate+was+3.7+authors+per+article,+having+grown+over+the+two+decades+examined.+The+most++productive+institutions+(i.e.+those+receiving+a+greater+number+of+citations+were+Stellenbosch++University+(219+published+articles+and+2592+citations+and+the+Agricultural+Research+Council++(49+published+articles+and+454+citations,+both+from+South+Africa.+Graphical+representation+of++co-authorship+networks+identified+18+groups+of+authors+and+a+single+network+of+institutions++whose+core+is+Stellenbosch+University.+In+conclusion,+we+have+identified+a+significant+growth++in+South+African+viticulture+and+oenology+research+in+recent+years,+with+a+high+degree+of++internationalisation+and+a+constant+level+of+domestic+collaboration.+ ]. The valid characters are defined in RFC 7230 and RFC 3986
	org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:482)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:264)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:829)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/10.1.17