[ISSUE #79] Fix CachedschemaRegistryClient.deleteSchema execution failed
Co-authored-by: xiaoyi <xiaojian.sxj@alibaba-inc.com>
diff --git a/client/src/main/java/org/apache/rocketmq/schema/registry/client/CachedSchemaRegistryClient.java b/client/src/main/java/org/apache/rocketmq/schema/registry/client/CachedSchemaRegistryClient.java
index 8e87666..d884492 100644
--- a/client/src/main/java/org/apache/rocketmq/schema/registry/client/CachedSchemaRegistryClient.java
+++ b/client/src/main/java/org/apache/rocketmq/schema/registry/client/CachedSchemaRegistryClient.java
@@ -131,7 +131,10 @@
String subjectFullName = String.format("%s/%s/%s", cluster, tenant, subject);
schemaCacheBySubject.invalidate(subjectFullName);
schemaCacheBySubjectAndVersion.invalidate(new SubjectAndVersion(cluster, tenant, subject, version));
- subjectToVersion.get(subjectFullName).remove(version);
+
+ if (subjectToSchema.get(subjectFullName) != null) {
+ subjectToVersion.get(subjectFullName).remove(version);
+ }
return restService.deleteSchema(cluster, tenant, subject, version);
}