[GitHub] [druid] ccaominh commented on issue #9308: Add MemoryOpenHashTable, a table similar to ByteBufferHashTable.

[GitBox <gi...@apache.org>]

ccaominh commented on issue #9308: Add MemoryOpenHashTable, a table similar to ByteBufferHashTable.
URL: https://github.com/apache/druid/pull/9308#issuecomment-582119737
 
 
   > > [WARNING] Unused declared dependencies found:
   > > [WARNING]    org.easymock:easymock:jar:4.0.2:compile
   > 
   > Hmm, this is a lie. It's required by SqlBenchmark:
   > 
   > ```
   > java.lang.NoClassDefFoundError: org/easymock/EasyMock
   > 	at org.apache.druid.sql.calcite.util.CalciteTests.createMockSystemSchema(CalciteTests.java:876)
   > 	at org.apache.druid.benchmark.query.SqlBenchmark.setup(SqlBenchmark.java:197)
   > 	at org.apache.druid.benchmark.query.generated.SqlBenchmark_querySql_jmhTest._jmh_tryInit_f_sqlbenchmark0_G(SqlBenchmark_querySql_jmhTest.java:448)
   > 	at org.apache.druid.benchmark.query.generated.SqlBenchmark_querySql_jmhTest.querySql_AverageTime(SqlBenchmark_querySql_jmhTest.java:162)
   > 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   > 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   > 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   > 	at java.lang.reflect.Method.invoke(Method.java:498)
   > 	at org.openjdk.jmh.runner.BenchmarkHandler$BenchmarkTask.call(BenchmarkHandler.java:453)
   > 	at org.openjdk.jmh.runner.BenchmarkHandler$BenchmarkTask.call(BenchmarkHandler.java:437)
   > 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   > ```
   > 
   > Maybe the analyzer is getting confused since EasyMock isn't being used _directly_. It's being used by `CalciteTests.createMockSystemSchema` from the druid-sql test jar. For some reason it doesn't get pulled in as a dependency unless explicitly declared in the benchmarks pom.
   > 
   > I'm not sure what to do about this...
   
   The dependency analysis plugin has configuration options for suppressing false positives:
   https://maven.apache.org/plugins/maven-dependency-plugin/examples/exclude-dependencies-from-dependency-analysis.html

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