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Discovery schedule fails with error "java.lang.NullPointerException at com.service_now.mid.probe.Shazzam.addScanners(Shazzam.java:189)" - Known Error
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  • Discovery schedule fails with error "java.lang.NullPointerException at com.service_now.mid.probe.Shazzam.addScanners(Shazzam.java:189)"
KB0784380

Discovery schedule fails with error "java.lang.NullPointerException at com.service_now.mid.probe.Shazzam.addScanners(Shazzam.java:189)"


436 Views Last updated : Apr 7, 2024 public Copy Permalink
KB Summary by Now Assist

Description

Discovery schedule fails with error "java.lang.NullPointerException at com.service_now.mid.probe.Shazzam.addScanners(Shazzam.java:189)"

Steps to Reproduce

  1. Create a discovery schedule
    2. Click "Quick Ranges"
    3. IP ip addresses "192.168.1.10, 10.1778.71.233"
    4. Review the newly created "IP Address List" and notice that only 192.168.1.10 was added
    5. Open the "IP Address List", beside "Discovery Range Item IPs" click "New"
    6. Set new ip to 10.1778.71.233 and check that this time the invalid IP address is inserted.
    7. Trigger discovery of schedule.
    8. Review discovery log and find error "java.lang.NullPointerException at com.service_now.mid.probe.Shazzam.addScanners(Shazzam.java:189)"

Workaround

  1. Review discovery schedule IP Address Lists.
  2. Find invalid IP address.
  3. Remove IP address from IP Address Lists. In the steps to reproduce example the invalid IP was 10.1778.71.233.

Related Problem: PRB1372471

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