[ https://issues.apache.org/jira/browse/HADOOP-17837?focusedWorklogId=634764&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-634764 ]
ASF GitHub Bot logged work on HADOOP-17837: ------------------------------------------- Author: ASF GitHub Bot Created on: 05/Aug/21 19:39 Start Date: 05/Aug/21 19:39 Worklog Time Spent: 10m Work Description: bbeaudreault opened a new pull request #3272: URL: https://github.com/apache/hadoop/pull/3272 Per https://issues.apache.org/jira/browse/HADOOP-17837, adds `endpoint.toString() to the UnknownHostException. UnresolvedAddressException cannot have a message, so the current behavior is a UHE with no message as well. Adding the endpoint to the exception will make it easier to debug when these arise. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 634764) Remaining Estimate: 0h Time Spent: 10m > Make it easier to debug UnknownHostExceptions from NetUtils.connect > ------------------------------------------------------------------- > > Key: HADOOP-17837 > URL: https://issues.apache.org/jira/browse/HADOOP-17837 > Project: Hadoop Common > Issue Type: Improvement > Reporter: Bryan Beaudreault > Priority: Minor > Time Spent: 10m > Remaining Estimate: 0h > > Most UnknownHostExceptions thrown throughout hadoop include a useful message, > either the hostname that was not found or some other descriptor of the > problem. The UnknownHostException thrown from NetUtils.connect only includes > the [message of the underlying > UnresolvedAddressException|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java#L592]. > If you take a look at the source for UnresolvedAddressException, [it only > has a no-args > constructor|https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/channels/UnresolvedAddressException.html] > (java11, but same is true in other versions). So it never has a message, > meaning the UnknownHostException message is empty. > We should include the endpoint.toString() in the UnknownHostException thrown > by NetUtils.connect -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org