eaugene opened a new pull request, #12244: URL: https://github.com/apache/pinot/pull/12244
[bugfix] we recently encountered an error : ``` java.lang.ArrayIndexOutOfBoundsException: Index 349 out of bounds for length 349 at org.apache.pinot.segment.local.realtime.impl.forward.FixedByteMVMutableForwardIndex.getLongMV(FixedByteMVMutableForwardIndex.java:294) at org.apache.pinot.segment.spi.index.mutable.MutableForwardIndex.getLongMV(MutableForwardIndex.java:492) at org.apache.pinot.core.operator.dociditerators.MVScanDocIdIterator$LongMatcher.doesValueMatch(MVScanDocIdIterator.java:201) at org.apache.pinot.core.operator.dociditerators.MVScanDocIdIterator.applyAnd(MVScanDocIdIterator.java:104) at org.apache.pinot.core.operator.dociditerators.ScanBasedDocIdIterator.applyAnd(ScanBasedDocIdIterator.java:48) at org.apache.pinot.core.operator.docidsets.AndDocIdSet.iterator(AndDocIdSet.java:151) at org.apache.pinot.core.operator.docidsets.AndDocIdSet.iterator(AndDocIdSet.java:78) at org.apache.pinot.core.operator.docidsets.NotDocIdSet.iterator(NotDocIdSet.java:37) at org.apache.pinot.core.operator.docidsets.AndDocIdSet.iterator(AndDocIdSet.java:78) at org.apache.pinot.core.operator.DocIdSetOperator.getNextBlock(DocIdSetOperator.java:67) at org.apache.pinot.core.operator.DocIdSetOperator.getNextBlock(DocIdSetOperator.java:39) at org.apache.pinot.core.operator.BaseOperator.nextBlock(BaseOperator.java:43) at org.apache.pinot.core.operator.ProjectionOperator.getNextBlock(ProjectionOperator.java:70) at org.apache.pinot.core.operator.ProjectionOperator.getNextBlock(ProjectionOperator.java:37) at org.apache.pinot.core.operator.BaseOperator.nextBlock(BaseOperator.java:43) at org.apache.pinot.core.operator.query.GroupByOperator.getNextBlock(GroupByOperator.java:105) at org.apache.pinot.core.operator.query.GroupByOperator.getNextBlock(GroupByOperator.java:46) at org.apache.pinot.core.operator.BaseOperator.nextBlock(BaseOperator.java:43) at org.apache.pinot.core.operator.combine.GroupByCombineOperator.processSegments(GroupByCombineOperator.java:133) at org.apache.pinot.core.operator.combine.BaseCombineOperator$1.runJob(BaseCombineOperator.java:121) at org.apache.pinot.core.util.trace.TraceRunnable.run(TraceRunnable.java:40) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125) at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:57) at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) ``` This patch fixes it by reading only till the available size in the passed buffer array . I think the cause can be MutubaleDataSource._maxNumValuesPerMVEntry ( which is used to intialize the size of buffer array ) value updation may not be Atomic -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org