Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986 error on GET request with tomcat 9.0.7

Question

I am using Apache Tomcat/9.0.7. I requested to an external source as below.

var loc = "<%=request.getContextPath()%>/webpages/PS.jsp?jsonArry="+jsonArry; 
document.getElementById('PSFrame').setAttribute('src', loc);

Below I have mentioned the error I got

java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986
 org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:460)
 org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:291)
 org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
 org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376)
 org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 java.lang.Thread.run(Thread.java:748)

I had read similer problem. But still couldn't resolve

I'm confused; you're just wedging an object's default string conversion into a URL? You need to stringify and URL-encode it. — Dave Newton, Jun 14 '18 at 09:51
I'll do it & try again. Anyway, in Apache Tomcat/8.5.5 this is working fine. — WCM, Jun 14 '18 at 10:12

Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986 error on GET request with tomcat 9.0.7

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