eisig opened a new issue #786: HoodieWrapperFileSystem not working with presto URL: https://github.com/apache/incubator-hudi/issues/786 presto wraps the filesystem in org.apache.hadoop.fs.PrestoFileSystemCache$FileSystemWrapper. FileSystemWrapper does not implements `getSchema` method hoodie master branch, presto 0.220 ``` Caused by: java.lang.UnsupportedOperationException: Not implemented by the FileSystemWrapper FileSystem implementation at org.apache.hadoop.fs.FileSystem.getScheme(FileSystem.java:219) at com.uber.hoodie.common.io.storage.HoodieWrapperFileSystem.convertToDefaultPath(HoodieWrapperFileSystem.java:868) at com.uber.hoodie.common.io.storage.HoodieWrapperFileSystem.exists(HoodieWrapperFileSystem.java:469) at com.uber.hoodie.exception.DatasetNotFoundException.checkValidDataset(DatasetNotFoundException.java:42) at com.uber.hoodie.common.table.HoodieTableMetaClient.<init>(HoodieTableMetaClient.java:105) at com.uber.hoodie.common.table.HoodieTableMetaClient.<init>(HoodieTableMetaClient.java:91) at com.uber.hoodie.common.table.HoodieTableMetaClient.<init>(HoodieTableMetaClient.java:86) at com.uber.hoodie.hadoop.HoodieInputFormat.getTableMetaClient(HoodieInputFormat.java:222) at com.uber.hoodie.hadoop.HoodieInputFormat.groupFileStatus(HoodieInputFormat.java:165) at com.uber.hoodie.hadoop.HoodieInputFormat.listStatus(HoodieInputFormat.java:70) at com.uber.hoodie.hadoop.realtime.HoodieRealtimeInputFormat.listStatus(HoodieRealtimeInputFormat.java:169) at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:315) at com.uber.hoodie.hadoop.realtime.HoodieRealtimeInputFormat.getSplits(HoodieRealtimeInputFormat.java:85) at com.facebook.presto.hive.BackgroundHiveSplitLoader.loadPartition(BackgroundHiveSplitLoader.java:362) at com.facebook.presto.hive.BackgroundHiveSplitLoader.loadSplits(BackgroundHiveSplitLoader.java:258) at com.facebook.presto.hive.BackgroundHiveSplitLoader.access$300(BackgroundHiveSplitLoader.java:93) at com.facebook.presto.hive.BackgroundHiveSplitLoader$HiveSplitLoaderTask.process(BackgroundHiveSplitLoader.java:187) ... 7 more ``` presto log ``` 2019-07-15T10:54:59.366+0800 INFO hive-hive200-30 com.uber.hoodie.common.util.FSUtils Hadoop Configuration: fs.defaultFS: [file:///], Config:[Configuration: ], FileSystem: [org.apache.hadoop.fs.PrestoFileSystemCache$FileSystemWrapper@2fe47a24] ```
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