https://community.cloudera.com/t5/Support-Questions/PutSQL-doesn-t-work-properly/m-p/227093#M188953 <P><A rel="user" href="https://community.cloudera.com/users/70171/stefan-constantin18.html" nodeid="70171">@Stefan Constantin</A></P><P>Hi, I had the same problem with PutSQL. Changing the processors property "<STRONG>Support Fragmented Transactions</STRONG>" to "<STRONG>false</STRONG>" solved it apparently.</P><P>Additionaly I set the property "<STRONG>Max Total Connections</STRONG>" of the<STRONG> Controller Service</STRONG> of the DBCPConnection to "<STRONG>-1</STRONG>" (=&gt; max. number of active connections at the same time = no limit).</P><P>Using NiFi 1.6.0</P> Tue, 13 Nov 2018 15:25:25 GMT justenji 2018-11-13T15:25:25Z