ayushtkn commented on a change in pull request #3756:
URL: https://github.com/apache/hadoop/pull/3756#discussion_r763896675
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
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@@ -2775,14 +2775,23 @@ public void waitActive(int nnIndex) throws IOException {
DFSClient client = new DFSClient(addr, conf);
// ensure all datanodes have registered and sent heartbeat to the namenode
- while (shouldWait(client.datanodeReport(DatanodeReportType.LIVE), addr)) {
- try {
+ int failedCount = 0;
+ try {
+ while (shouldWait(client.datanodeReport(DatanodeReportType.LIVE), addr))
{
LOG.info("Waiting for cluster to become active");
Thread.sleep(100);
- } catch (InterruptedException e) {
}
+ } catch (IOException e) {
+ failedCount++;
+ // Cached RPC connection to namenode, if any, is expected to fail once
+ if (failedCount > 1) {
Review comment:
the while looped pulled in should solve, else I need to spend some time
during this weekend and concentrate a bit more..
my Holidays ends today. :-)
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