hustnn edited a comment on issue #836: Query hang for Presto running on JDK 11 URL: https://github.com/apache/incubator-hudi/issues/836#issuecomment-522397062 @vinothchandar @bhasudha I found the root cause. ``` 2019-08-19T11:19:25.532+0800 WARN hive-hive-101 io.prestosql.plugin.hive.util.ResumableTasks ResumableTask completed exceptionally java.lang.NoClassDefFoundError: Could not initialize class com.uber.hoodie.common.table.timeline.HoodieActiveTimeline at com.uber.hoodie.common.table.HoodieTableMetaClient.getActiveTimeline(HoodieTableMetaClient.java:192) at com.uber.hoodie.hadoop.HoodieInputFormat.listStatus(HoodieInputFormat.java:86) at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:325) at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.loadPartition(BackgroundHiveSplitLoader.java:425) at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.loadSplits(BackgroundHiveSplitLoader.java:275) at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.access$300(BackgroundHiveSplitLoader.java:99) at io.prestosql.plugin.hive.BackgroundHiveSplitLoader$HiveSplitLoaderTask.process(BackgroundHiveSplitLoader.java:204) at io.prestosql.plugin.hive.util.ResumableTasks.safeProcessTask(ResumableTasks.java:47) at io.prestosql.plugin.hive.util.ResumableTasks.access$000(ResumableTasks.java:20) at io.prestosql.plugin.hive.util.ResumableTasks$1.run(ResumableTasks.java:35) at io.airlift.concurrent.BoundedExecutor.drainQueue(BoundedExecutor.java:78) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)
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