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https://issues.apache.org/jira/browse/HBASE-25933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353498#comment-17353498
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Hudson commented on HBASE-25933:
--------------------------------
Results for branch branch-2
[build #263 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/263/]:
(/) *{color:green}+1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/263/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/263/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Log trace raw exception, instead of cause message in
> NettyRpcServerRequestDecoder
> ---------------------------------------------------------------------------------
>
> Key: HBASE-25933
> URL: https://issues.apache.org/jira/browse/HBASE-25933
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0-alpha-1, 2.2.7, 2.5.0, 2.3.5, 2.4.3
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Minor
> Fix For: 3.0.0-alpha-1, 2.5.0, 2.3.6, 2.4.4
>
>
> In *NettyRpcServerRequestDecoder,* override of *exceptionCaught* method tries
> to log the exception cause message, however this not always will have a
> content, causing debugging of connection failure issues harder to
> troubleshoot. We should simply log trace the observed *Throwable* reference
> itself:
>
> {noformat}
> diff --git
> a/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyRpcServerRequestDecoder.java
>
> b/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyRpcServerRequestDecoder.java
> index 1e844bb02cb..40f59ad1259 100644
> ---
> a/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyRpcServerRequestDecoder.java
> +++
> b/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyRpcServerRequestDecoder.java
> @@ -74,7 +74,7 @@ class NettyRpcServerRequestDecoder extends
> ChannelInboundHandlerAdapter {
> public void exceptionCaught(ChannelHandlerContext ctx, Throwable e) {
> allChannels.remove(ctx.channel());
> NettyRpcServer.LOG.trace("Connection {}; caught unexpected downstream
> exception.",
> - ctx.channel().remoteAddress(), e.getCause());
> + ctx.channel().remoteAddress(), e);
> ctx.channel().close();
> }
> }
> {noformat}
>
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