title: on Hyperledger-explorer when insert some big data have RangeError: "size" argument must not be larger than 2147483647
body: <p>I have set up a Hyperledger-explorer(v3.2) + fabric network (v1.1.0) on a Ubuntu 16.04 . </p>
  
  <p>Everything works fine but when I add some big transactions to my fabric, Hyperledger-explorer through this error:</p>
  
  <blockquote>
  <pre><code>buffer.js:224
      throw err;
      ^
  RangeError: "size" argument must not be larger than 2147483647
      at Function.Buffer.alloc (buffer.js:233:3)
      at new Buffer (buffer.js:156:19)
      at module.exports.Reader.addChunk (/home/bcadmin/sunbc/blockchain-explorer/node_modules/packet-reader/index.js:35:21)
      at Socket.&lt;anonymous&gt; (/home/bcadmin/sunbc/blockchain-explorer/node_modules/pg/lib/connection.js:110:18)
      at emitOne (events.js:116:13)
      at Socket.emit (events.js:211:7)
      at addChunk (_stream_readable.js:263:12)
      at readableAddChunk (_stream_readable.js:250:11)
      at Socket.Readable.push (_stream_readable.js:208:10)
      at TCP.onread (net.js:597:20)
  </code></pre>
  </blockquote>