GH-37246: [Java] expose VectorAppender class to offer support to append vector values

[davisusanibar]

Rationale for this change

• To close [Java]: Expose util methods inside VectorAppender class such as append vector values #37246

What changes are included in this PR?

• Expose VectorAppender class to offer support to append vector values

Are these changes tested?

• By TestVectorAppender

Are there any user-facing changes?

• No

• Closes: [Java]: Expose util methods inside VectorAppender class such as append vector values #37246

[github-actions]

⚠️ GitHub issue #37246 has been automatically assigned in GitHub to PR creator.

[lidavidm]

Thanks!

[lidavidm]

I see this in the Windows CI:

[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 s - in org.apache.arrow.memory.TestAllocationManagerNetty
[INFO] Running org.apache.arrow.memory.TestBaseAllocator
16:15:08.268 [main] ERROR o.apache.arrow.memory.BaseAllocator - Memory was leaked by query. Memory leaked: (512)
Allocator(ROOT) 0/512/512/8192 (res/actual/peak/limit)

16:15:08.268 [main] ERROR o.apache.arrow.memory.BaseAllocator - Memory was leaked by query. Memory leaked: (512)
Outstanding child allocators : 
  Allocator(createChildDontClose) 0/512/512/8192 (res/actual/peak/limit)
Allocator(ROOT) 0/512/512/8192 (res/actual/peak/limit)

Warning:  Tests run: 36, Failures: 0, Errors: 0, Skipped: 2, Time elapsed: 0.297 s - in org.apache.arrow.memory.TestBaseAllocator
[INFO] Running org.apache.arrow.memory.TestEmptyArrowBuf

@davisusanibar can you file an issue to investigate this?

[lidavidm]

Hmm, actually, that's not a failure, I suppose it's just debug log output. But somewhere that CI pipeline fails:

Error:  Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.0.0-M7:test (default-test) on project arrow-memory-netty: 
Error:  
Error:  Please refer to D:\a\arrow\arrow\java\memory\memory-netty\target\surefire-reports for the individual test results.
Error:  Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
Error:  ExecutionException Error occurred in starting fork, check output in log
Error:  org.apache.maven.surefire.booter.SurefireBooterForkException: ExecutionException Error occurred in starting fork, check output in log
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.awaitResultsDone(ForkStarter.java:513)
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.runSuitesForkOnceMultiple(ForkStarter.java:397)
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:326)
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:269)
Error:  	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1334)
Error:  	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1167)
Error:  	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:931)
Error:  	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
Error:  	at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:370)
Error:  	at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:351)
Error:  	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:215)
Error:  	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:171)
Error:  	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:163)
Error:  	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
Error:  	at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:210)
Error:  	at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:195)
Error:  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Error:  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
Error:  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Error:  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Error:  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Error:  	at java.base/java.lang.Thread.run(Thread.java:829)
Error:  Caused by: org.apache.maven.surefire.booter.SurefireBooterForkException: Error occurred in starting fork, check output in log
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:635)
Error:  	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.lambda$runSuitesForkOnceMultiple$3(ForkStarter.java:388)
Error:  	... 4 more
Error:  -> [Help 1]

[conbench-apache-arrow]

After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 61bff28.

There were no benchmark performance regressions. 🎉

The full Conbench report has more details. It also includes information about possible false positives for unstable benchmarks that are known to sometimes produce them.