How To Fix /IBX/PE_CON_SRV025 - Connector class &1 cannot be serialized

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBX/PE_CON_SRV -

• Message number: 025

• Message text: Connector class &1 cannot be serialized

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBX/PE_CON_SRV025 - Connector class &1 cannot be serialized ?

  The SAP error message /IBX/PE_CON_SRV025 Connector class &1 cannot be serialized typically indicates an issue with the serialization of a connector class in the SAP system. This error can occur in various contexts, particularly when dealing with integration scenarios, such as when using SAP Cloud Platform Integration (CPI) or other middleware solutions.
  Cause:
  
  Non-Serializable Class: The connector class specified in the error message (&1) is not marked as serializable. In Java, for an object to be serialized, it must implement the Serializable interface.
  Missing Serialization Methods: The class may not have the required serialization methods (writeObject and readObject) implemented correctly.
  Incompatible Data Types: The class may contain fields that are not serializable, such as certain types of collections or custom objects that do not implement serialization.
  Version Mismatch: There may be a version mismatch between the connector class and the system trying to serialize it, leading to serialization issues.
  
  Solution:
  
  Check Class Definition: Ensure that the connector class (&1) implements the Serializable interface. If it does not, modify the class to implement this interface.
  Implement Serialization Methods: If the class contains complex data types or custom objects, ensure that you implement the writeObject and readObject methods to handle serialization and deserialization properly.
  Review Field Types: Check all fields in the class to ensure they are serializable. If there are non-serializable fields, consider marking them as transient or converting them to a serializable type.
  Update Connector: If the connector class is part of a third-party library or an SAP component, check for updates or patches that may resolve serialization issues.
  Test Serialization: Create unit tests to verify that the serialization and deserialization of the class work as expected.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on creating serializable classes and best practices for integration scenarios.
  Java Serialization: Familiarize yourself with Java serialization concepts, including the Serializable interface and the transient keyword.
  SAP Community: Check the SAP Community forums for similar issues and solutions shared by other users.
  Debugging: Use debugging tools to trace the serialization process and identify the exact point of failure.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.