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Appian Grid

Certified Lead Developer

We are encountering the following error in our Appian application:

ERROR com.appiancorp.record.service.visitor.DiscoverAllRecordBindings -
Exception encountered in grid field tree visitor, falling back in try catch.
java.lang.NullPointerException

This issue appears while working with a grid component (record-based or interface grid). There are no obvious breaking changes, but the error is being logged intermittently.

We suspect it may be related to:

  • Null values in grid field bindings
  • Record type relationships
  • Nested field references in grid columns

However, we are unable to pinpoint the exact cause.

  • What typically causes this DiscoverAllRecordBindings NullPointerException?
  • Are there recommended best practices to avoid this issue in grid configurations?
  • How can we effectively debug which field or binding is causing the problem?

Any guidance or suggestions would be greatly appreciated!

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