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https://issues.apache.org/jira/browse/HDFS-12583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-12583:
-----------------------------
Hadoop Flags: Reviewed
Fix Version/s: HDFS-7240
> Ozone: Fix swallow exceptions which makes hard to debug failures
> ----------------------------------------------------------------
>
> Key: HDFS-12583
> URL: https://issues.apache.org/jira/browse/HDFS-12583
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Fix For: HDFS-7240
>
> Attachments: HDFS-12583-HDFS-7240.001.patch,
> HDFS-12583-HDFS-7240.002.patch, HDFS-12583-HDFS-7240.003.patch,
> HDFS-12583-HDFS-7240.004.patch
>
>
> There are some places that swallow exceptions that makes client hard to debug
> the failure. For example, if we get xceiver client from xceiver client
> manager error, client only gets the error info like this:
> {noformat}
> org.apache.hadoop.ozone.web.exceptions.OzoneException: Exception getting
> XceiverClient.
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> com.fasterxml.jackson.databind.introspect.AnnotatedConstructor.call(AnnotatedConstructor.java:119)
> at
> com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createUsingDefault(StdValueInstantiator.java:243)
> {noformat}
> The error exception stack is missing. We should print the error log as well.
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