alibaba/nacos · error · IllegalArgumentException
Agent Version must not be null
Error message
Agent Version must not be null
What it means
Error "Agent Version must not be null" thrown in alibaba/nacos.
Source
Thrown at ai/src/main/java/com/alibaba/nacos/ai/service/agent/AgentPersistenceService.java:1054
&& !agent.getNamespaceId().equals(initialVersion.getNamespaceId())) {
throw new IllegalArgumentException("initialVersion namespaceId does not match Agent");
}
if (initialVersion.getAgentName() != null
&& !agent.getAgentName().equals(initialVersion.getAgentName())) {
throw new IllegalArgumentException("initialVersion agentName does not match Agent");
}
if (initialVersion.getStatus() != null
&& !expectedStatus.equals(initialVersion.getStatus())) {
throw new IllegalArgumentException("initialVersion status must be " + expectedStatus);
}
}
private void validateOnlineVersionInputs(String namespaceId, String agentName,
AgentVersionDetail version, String preferredLatest) {
AgentValidationUtils.validateNamespaceId(namespaceId);
AgentValidationUtils.validateAgentName(agentName);
if (version == null) {
throw new IllegalArgumentException("Agent Version must not be null");
}
AgentValidationUtils.validateVersion(version.getVersion());
if (version.getCallInterfaces() == null) {
throw new IllegalArgumentException("Online Agent Version must contain callInterfaces");
}
if (version.getNamespaceId() != null
&& !namespaceId.equals(version.getNamespaceId())) {
throw new IllegalArgumentException("Agent Version namespaceId does not match request");
}
if (version.getAgentName() != null && !agentName.equals(version.getAgentName())) {
throw new IllegalArgumentException("Agent Version agentName does not match request");
}
if (version.getStatus() != null
&& !AiConstants.Agent.VERSION_STATUS_ONLINE.equals(version.getStatus())) {
throw new IllegalArgumentException("Agent Version status must be online");
}
if (version.getContentDigest() != null || version.getCreateTime() != null
|| version.getUpdateTime() != null) {View on GitHub (pinned to 9b989acdf1)
Solutions
- Provide a non-null value for Agent Version before invoking this operation.
When it happens
Trigger: Thrown at ai/src/main/java/com/alibaba/nacos/ai/service/agent/AgentPersistenceService.java:1054 when the library encounters an invalid state.
Common situations: Persisting an Agent Version with a null version object.
AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14).
Data as JSON: /api/errors/ff6b74cb90302278.
Report an issue: GitHub.