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Posted to dev@drill.apache.org by "shfshihuafeng (via GitHub)" <gi...@apache.org> on 2026/07/10 15:48:17 UTC
[PR] Drillbit fails to start with NoSuchFieldError: sizeClass due to un-relocated Netty classes from hadoop-aws (drill)
shfshihuafeng opened a new pull request, #3055:
URL: https://github.com/apache/drill/pull/3055
# [DRILL-8547](https://issues.apache.org/jira/browse/DRILL-8547)
Drillbit fails to start with NoSuchFieldError: sizeClass due to un-relocated Netty classes from hadoop-aws
## Description
Drillbit fails to start with java.lang.NoSuchFieldError: sizeClass immediately after distribution build. The root cause is an un-relocated (old) copy of io.netty.buffer.PoolArena shipped inside software.amazon.awssdk:bundle:2.24.6, which is a transitive dependency of org.apache.hadoop:hadoop-aws:3.4.1 declared in distribution/pom.xml.
This old PoolArena class shadows Drill's own netty-buffer-4.1.118.Final on the classpath, causing PooledByteBufAllocatorL$InnerAllocator to fail when it accesses the sizeClass field that only exists in the newer netty version.
Error Stack Trace:
```
Exception in thread "main" java.lang.NoSuchFieldError: sizeClass
at io.netty.buffer.PooledByteBufAllocatorL$InnerAllocator.<init>(PooledByteBufAllocatorL.java:112)
at io.netty.buffer.PooledByteBufAllocatorL.<init>(PooledByteBufAllocatorL.java:58)
at org.apache.drill.exec.memory.AllocationManager.<clinit>(AllocationManager.java:63)
at org.apache.drill.exec.memory.BaseAllocator.<clinit>(BaseAllocator.java:49)
at org.apache.drill.exec.memory.RootAllocatorFactory.newRoot(RootAllocatorFactory.java:45)
at org.apache.drill.exec.memory.RootAllocatorFactory.newRoot(RootAllocatorFactory.java:40)
at org.apache.drill.exec.server.BootStrapContext.<init>(BootStrapContext.java:90)
at org.apache.drill.exec.server.Drillbit.<init>(Drillbit.java:173)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:579)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:559)
at org.apache.drill.exec.server.Drillbit.main(Drillbit.java:555)
```
## Test
1. Start Drill (e.g., ./drillbit.sh start).
2.The NoSuchFieldError appears immediately during startup.
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Re: [PR] Drillbit fails to start with NoSuchFieldError: sizeClass due to un-relocated Netty classes from hadoop-aws (drill)
Posted by "cgivre (via GitHub)" <gi...@apache.org>.
cgivre merged PR #3055:
URL: https://github.com/apache/drill/pull/3055
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Re: [PR] Drillbit fails to start with NoSuchFieldError: sizeClass due to un-relocated Netty classes from hadoop-aws (drill)
Posted by "cgivre (via GitHub)" <gi...@apache.org>.
cgivre commented on PR #3055:
URL: https://github.com/apache/drill/pull/3055#issuecomment-4976446774
@shfshihuafeng I'm going to merge this as the Spunk tests seem to be really flaky lately.
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