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fix NPE when flush logical cluster and physical cluster not in cache or not exist

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This commit is contained in:
zengqiao
2022-01-11 11:37:23 +08:00
parent d30cb8a0f0
commit 44ea896de8
2 changed files with 7 additions and 3 deletions
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3
kafka-manager-core/src/main/java/com/xiaojukeji/kafka/manager/service/cache/LogicalClusterMetadataManager.java vendored
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@@ -208,7 +208,8 @@ public class LogicalClusterMetadataManager {
// 计算逻辑集群到Topic名称的映射 // 计算逻辑集群到Topic名称的映射
Set<String> topicNameSet = PhysicalClusterMetadataManager.getBrokerTopicNum( Set<String> topicNameSet = PhysicalClusterMetadataManager.getBrokerTopicNum(
logicalClusterDO.getClusterId(), logicalClusterDO.getClusterId(),
brokerIdSet); brokerIdSet
);
LOGICAL_CLUSTER_ID_TOPIC_NAME_MAP.put(logicalClusterDO.getId(), topicNameSet); LOGICAL_CLUSTER_ID_TOPIC_NAME_MAP.put(logicalClusterDO.getId(), topicNameSet);
// 计算Topic名称到逻辑集群的映射 // 计算Topic名称到逻辑集群的映射

7
kafka-manager-core/src/main/java/com/xiaojukeji/kafka/manager/service/cache/PhysicalClusterMetadataManager.java vendored
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@@ -539,9 +539,12 @@ public class PhysicalClusterMetadataManager {
} }
public static Set<String> getBrokerTopicNum(Long clusterId, Set<Integer> brokerIdSet) { public static Set<String> getBrokerTopicNum(Long clusterId, Set<Integer> brokerIdSet) {
Set<String> topicNameSet = new HashSet<>();
Map<String, TopicMetadata> metadataMap = TOPIC_METADATA_MAP.get(clusterId); Map<String, TopicMetadata> metadataMap = TOPIC_METADATA_MAP.get(clusterId);
if (metadataMap == null) {
return new HashSet<>();
}
Set<String> topicNameSet = new HashSet<>();
for (String topicName: metadataMap.keySet()) { for (String topicName: metadataMap.keySet()) {
try { try {
TopicMetadata tm = metadataMap.get(topicName); TopicMetadata tm = metadataMap.get(topicName);