ayushtkn commented on a change in pull request #2066:
URL: https://github.com/apache/ozone/pull/2066#discussion_r598889982
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/HddsDatanodeService.java
##########
@@ -587,4 +587,15 @@ public CertificateClient getCertificateClient() {
public void setCertificateClient(CertificateClient client) {
dnCertClient = client;
}
+
+ @Override
+ public void printError(Throwable error) {
+ if (error.getMessage() == null || error.getMessage().length() == 0) {
+ //message could be null in case of NPE. This is unexpected so we can
+ //print out the stack trace.
+ LOG.error("Exception in HddsDatanodeService.", error);
+ } else {
+ LOG.error(error.getMessage().split("\n")[0]);
Review comment:
Guess can keep this only for both the cases :
```
LOG.error("Exception in HddsDatanodeService.", error);
```
Sometimes having trace of the exception really helps
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