jiajunwang commented on a change in pull request #1007:
URL: https://github.com/apache/helix/pull/1007#discussion_r433648164
##########
File path:
helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixAdmin.java
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@@ -573,35 +594,32 @@ public void resetPartition(String clusterName, String
instanceName, String resou
// check the instance is alive
LiveInstance liveInstance =
accessor.getProperty(keyBuilder.liveInstance(instanceName));
if (liveInstance == null) {
- throw new HelixException(
- "Can't reset state for " + resourceName + "/" + partitionNames + "
on " + instanceName
- + ", because " + instanceName + " is not alive");
+ // check if the instance exists in the cluster
+ String instanceConfigPath =
PropertyPathBuilder.instanceConfig(clusterName, instanceName);
+ throw new HelixException(String.format(
+ _zkClient.exists(instanceConfigPath) ?
ResetPartitionFailureReason.INSTANCE_NOT_ALIVE
Review comment:
nit, but will the following code be easier:
(_zkClient.exists(instanceConfigPath) ?
ResetPartitionFailureReason.INSTANCE_NOT_ALIVE :
ResetPartitionFailureReason.INSTANCE_NON_EXISTENT)
.getMessage(resourceName, partitionNames, instanceName,
instanceName, clusterName);
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