Uri can't be null error reported in log
2010/02/25 13:35:03 error-jmeter. threads. jmeterthread: Error while processing sampler 'home page': Java. Lang. illegalargumentexception: URI can't be null.
At sun.net. SPI. defaultproxyselector. Select (defaultproxyselector. Java: 116)
At sun.net. www. Protocol. http. httpurlconnection. plainconnect (httpurlconnection. Java: 796)
At sun.net. www. Protocol. http. httpurlconnection. Connect (httpurlconnection. Java: 726)
At sun.net. www. Protocol. http. httpurlconnection. getinputstream (httpurlconnection. Java: 1049)
At sun.net. www. Protocol. http. httpurlconnection. getheaderfield (httpurlconnection. Java: 2173)
At org. Apache. jmeter. Protocol. http. sampler. httpsampler. Disconnect (httpsampler. Java: 610)
At org. Apache. jmeter. Protocol. http. sampler. httpsampler. Sample (httpsampler. Java: 603)
At org. Apache. jmeter. Protocol. http. sampler. httpsamplerbase. Sample (httpsamplerbase. Java: 1037)
At org. Apache. jmeter. Protocol. http. sampler. httpsamplerbase. Sample (httpsamplerbase. Java: 1023)
At org. Apache. jmeter. threads. jmeterthread. process_sampler (jmeterthread. Java: 346)
At org. Apache. jmeter. threads. jmeterthread. Run (jmeterthread. Java: 243)
At java. Lang. thread. Run (thread. Java: 619)
It turns out that the Web server writes more HTTP here.
Of course, this is the most basic error. Others may report the same error, but I have not encountered