[GitHub] [drill] cdmikechen commented on pull request #2238: DRILL-7934: Fix NullPointerException error when reading parquet files

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

cdmikechen commented on pull request #2238:
URL: https://github.com/apache/drill/pull/2238#issuecomment-850254889


   @cgivre 
   Hi~ Sorry, I don't know how to run test case. When I run a test case class ( like `org.apache.drill.exec.store.parquet.TestParquetGroupScan` ), it always report error like this:
   ```
   Test ignored.
   
   org.apache.drill.exec.rpc.RpcException: CONNECTION : io.netty.channel.ConnectTimeoutException: connection timed out: xxxxlocal/ip:31010
   
   	at org.apache.drill.exec.rpc.user.UserClient$2.connectionFailed(UserClient.java:315)
   	at org.apache.drill.exec.rpc.user.QueryResultHandler$ChannelClosedHandler.connectionFailed(QueryResultHandler.java:395)
   	at org.apache.drill.exec.rpc.ConnectionMultiListener$ConnectionHandler.operationComplete(ConnectionMultiListener.java:119)
   	at org.apache.drill.exec.rpc.ConnectionMultiListener$ConnectionHandler.operationComplete(ConnectionMultiListener.java:77)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:262)
   	at io.netty.util.concurrent.PromiseTask.runTask(PromiseTask.java:98)
   	at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:170)
   	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
   	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at java.lang.Thread.run(Thread.java:748)
   Caused by: java.util.concurrent.ExecutionException: io.netty.channel.ConnectTimeoutException: connection timed out: chenxiang-MacBookPro.local/10.3.101.226:31010
   	at io.netty.util.concurrent.DefaultPromise.get(DefaultPromise.java:373)
   	at org.apache.drill.exec.rpc.ConnectionMultiListener$ConnectionHandler.operationComplete(ConnectionMultiListener.java:90)
   	... 17 more
   Caused by: io.netty.channel.ConnectTimeoutException: connection timed out: chenxiang-MacBookPro.local/10.3.101.226:31010
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:261)
   	... 8 more
   
   
   Process finished with exit code 255
   ```
   
   Is something else to do before I run test case?


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