Network Prevent for Web Cannot Process ICAP

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Article ID: 184668

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Updated On:

Products

Data Loss Prevention Network Prevent for Web

Issue/Introduction

Network Prevent for Web cannot process ICAP packets.

Sample Error:

File: /debug/FileReader0.log 
Date: 8/9/2019 9:45:31 AM 
Class: org.eclipse.jetty.util.UrlEncoded Method: decodeUtf8To Level: 
WARNING Message: org.eclipse.jetty.util.Utf8Appendable$NotUtf8Exception: Not valid UTF8! byte C0 in state 0

Cause

Network Prevent for Web cannot process ICAP sent from Proxy

Resolution

This error is difficult to troubleshoot, because you have to be able to reproduce the issue or catch the problem when it occurs. Below are some troubleshooting steps to determine the troublesome file:

  • Confirm packets are not corrupt
  • Collect PCAP
  • Collect timestamp
  • Review pcap to determine which file is unreadable