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Troubleshooting Replication and Geodata Service Issues

Understand geodatabase replication & geodata service issues, types, setups, and solutions. Explore common problems like schema changes, empty tables, and disabled buttons.

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Troubleshooting Replication and Geodata Service Issues

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  1. Troubleshooting Replication and Geodata Service Issues Ken Galliher & Ben Lin

  2. Tech Session Overview • What is Geodatabase Replication • Replication types • Geodata service replication • Troubleshooting Replication and Geodata Service Issues • Common issues. • Geodatabase and Geodata service setup to avoid issues • Demo • Cannot use Distributed Geodatabase toolbar to create a replica • Questions Replication with Geodata Services

  3. What is Geodatabase Replication? • Create copies of geodatabase data for distribution. • Allow changes to each copy to be synchronized. • Connected or disconnected environment. Replication with Geodata Services

  4. Replication Types • One-way • Multiple synch’s in one direction • Data receiver is considered read only • Replica persists after synchronization • Two-Way • Multiple synch’s in either direction • Conflict resolution policies • Replica persists after synchronization • Checkout/Check-in replication • One time use • Disconnected editing Replication with Geodata Services

  5. Mobile Editing Connected (internet) or disconnected scenarios • Data is replicated to portable device • Data can be edited independent of organization’s network • Synchronization can occur when: • The device is reconnected to internal network • Connected via LAN/WAN or HTTP access with Geodata service. • Data can be synch’d manually by sending data change messages Replication with Geodata Services

  6. What is a Geodata Service • ArcGIS Server service. • Allows access to a geodatabase via LAN/WAN or IP’s. • Access from remote locations. • Great for use in geodatabase replication. Replication with Geodata Services

  7. When to use Geodata Service with Replication • Perform replication and data extraction over the internet. • Work around firewalls – if internet port is open. • Mimic replication operations in a connected environment. • Alleviate the extra overhead of disconnected editing. Open port Replication with Geodata Services

  8. Geodatabase and Geodata Service Issues Common pitfalls • Standard geodatabase replication: • Some data does not come over during replica creation. • Standalone tables are empty in the child geodatabase. • Schema changes. • Geodata Service replication: • Disabled Create Replica button • Permissions and data registration • Web Service or DBMS connectivity Replication with Geodata Services

  9. Feature Classes Do Not Appear In Child Geodatabase • Issue: • Replica creates successfully – no errors • Some feature classes or tables do not appear in child • Geodatabase Replication Prerequisites: • Feature classes and tables must be: • Registered as versioned • Contain GlobalID’s • Feature classes stored as high precision Replication with Geodata Services

  10. Empty Standalone Tables Records not transferred to child • Show advanced options • Tables are checked out as Schema Only by default • Choose All Records when existing data is required Replication with Geodata Services

  11. Schema Changes Handling schema changes • Common issues: • Edits may not synchronize • Invalid values introduced • Synchronization errors • Handling schema changes – Two step process: • Compare replica schema – differences written to an XML file • Import replica schema to pair parent and child. Replication with Geodata Services

  12. Create Replica Button Disabled Prerequisites for Geodata Service Replicas • The geodata and map service must have identical names. • Geodata and map service must reside in same services folder. • The layer names in the map document must match feature class names. Replication with Geodata Services

  13. Publisher or DBMS permissions • Issue: • Connection or permission errors • Errors when creating replica or synchronizing • Where to begin: • Location of SDE connection file • Folder/file permissions • Geodatabase connection properties • Can a connection be made with ArcGIS? Replication with Geodata Services

  14. Geodata Service or DBMS Connectivity • Issue: • Usually greeted by descriptive error messages • Unusual behavior seen in web interface • Network issues • Where to begin: • Mobile cache settings • ArcGIS Server logs • DBMS alert logs / DBMS traces • Contact Esri Technical Support Replication with Geodata Services

  15. Demo Replication with Geodata Services

  16. Thank you… Please fill out the session survey: First Offering ID: 1270 Second Offering ID: 1882 Online – www.esri.com/ucsessionsurveys Replication with Geodata Services

  17. Replication with Geodata Services

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