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https://issues.apache.org/jira/browse/HADOOP-20047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18135773#comment-18135773
 ] 

ASF GitHub Bot commented on HADOOP-20047:
-----------------------------------------

hadoop-yetus commented on PR #8902:
URL: https://github.com/apache/hadoop/pull/8902#issuecomment-6542699774

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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|
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 1 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  43m 17s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  16m 34s |  |  trunk passed with JDK 
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu  |
   | +1 :green_heart: |  compile  |  16m 49s |  |  trunk passed with JDK 
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu  |
   | +1 :green_heart: |  checkstyle  |   1m 32s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m  2s |  |  trunk passed  |
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Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu  |
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Ubuntu-17.0.20.1+1-1-24.04-Ubuntu  |
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   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 14s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  15m 51s |  |  the patch passed with JDK 
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu  |
   | +1 :green_heart: |  javac  |  15m 51s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  16m 52s |  |  the patch passed with JDK 
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu  |
   | +1 :green_heart: |  javac  |  16m 52s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   1m 29s |  |  the patch passed  |
   | +1 :green_heart: |  mvnsite  |   2m  2s |  |  the patch passed  |
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Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu  |
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Ubuntu-17.0.20.1+1-1-24.04-Ubuntu  |
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   | +1 :green_heart: |  shadedclient  |  31m 27s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  23m 44s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   1m 18s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 219m 52s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.56 ServerAPI=1.56 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8902/2/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/8902 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux 7ab6b1b76379 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 
10:22:38 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
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/usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8902/2/testReport/ |
   | Max. process+thread count | 3150 (vs. ulimit of 10000) |
   | modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8902/2/console |
   | versions | git=2.43.0 maven=3.9.15 spotbugs=4.9.7 |
   | Powered by | Apache Yetus 0.14.1 https://yetus.apache.org |
   
   
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> RetryInvocationHandler leaves the call id set when an attempt issues no RPC
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-20047
>                 URL: https://issues.apache.org/jira/browse/HADOOP-20047
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common, ipc
>    Affects Versions: 3.5.0, 3.4.3
>            Reporter: Siyao Meng
>            Assignee: Siyao Meng
>            Priority: Major
>              Labels: pull-request-available
>
> RetryInvocationHandler sets the thread local call id and retry count in 
> Client before every attempt on an RPC proxy, but only the creation of a 
> Client.Call clears the call id. When an attempt issues no RPC, the call id 
> stays set and the next attempt on that thread fails in 
> Client.setCallIdAndRetryCount:
> {noformat}
> java.lang.IllegalStateException
>       at 
> org.apache.hadoop.util.Preconditions.checkState(Preconditions.java:254)
>       at org.apache.hadoop.ipc.Client.setCallIdAndRetryCount(Client.java:164)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:167)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:162)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:100)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:366)
> {noformat}
> Attempts that issue no RPC include calling toString or hashCode on the retry 
> proxy (noted in HDFS-8409), and a protocol translator or 
> ProtobufRpcEngine2.Invoker throwing before Client.call. After that, the retry 
> is aborted and the next call through any retry proxy on the same thread 
> fails. Asynchronous calls retry on the handler's own thread, so later calls 
> on that handler fail as well.
> The code is in hadoop-common, so this affects every RetryProxy over a Hadoop 
> RPC proxy, including HDFS clients (HDFS-8409, HDFS-11351) and YARN (RMProxy, 
> ServerProxy). Apache Ozone fixed the same fault in its copy of this code in 
> HDDS-16745.
> Proposed fix: clear the call id, retry count and external handler after every 
> attempt that set them, with a regression test in TestRetryProxy.



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