...
{"STATUS":[{"STATUS":"S","When":1526413725,"Code":70,"Msg":"CGMiner stats","Description":"cgminer 4.10.0"}],"STATS":[{"CGMiner":"4.10.0","Miner":"1.0.1.3","CompileTime":"Sun Jan 14 00:00:57 CST 2018","Type":"Antminer L3+ Blissz v1.02"}{"STATS":0,"ID":"L30","Elapsed":38187,"Calls":0,"Wait":0.000000,"Max":0.000000,"Min":99999999.000000,"GHS 5s":"579.398","GHS av":577.89,"miner_count":4,"frequency":"431","frequency1":431,"frequency2":431,"frequency3":456,"frequency4":456,"volt1":"13","volt2":"13","volt3":"13","volt4":"13","watt1":243,"watt2":243,"watt3":256,"watt4":256,"fan_num":2,"fan1":3726,"fan2":3780,"temp_num":4,"temp1":60,"temp2":54,"temp3":55,"temp4":53,"temp2_1":67,"temp2_2":62,"temp2_3":64,"temp2_4":61,"temp31":0,"temp32":0,"temp33":0,"temp34":0,"temp4_1":0,"temp4_2":0,"temp4_3":0,"temp4_4":0,"temp_max":60,"Device Hardware%":-0.0000,"no_matching_work":101,"chain_acn1":72,"chain_acn2":72,"chain_acn3":72,"chain_acn4":72,"chain_acs1":" oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo","chain_acs2":" oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo","chain_acs3":" oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo","chain_acs4":" oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo","chain_hw1":36,"chain_hw2":38,"chain_hw3":8,"chain_hw4":19,"chain_rate1":"143.73","chain_rate2":"143.59","chain_rate3":"14
Are you sure you pasted everything? That json reply is cut in half and is indeed invalid.
I am not sure if my receive buffer is too large with 32k, I have changed that to 1k and pushed the update to github again. Please make also sure you paste the complete output.