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https://issues.apache.org/jira/browse/IGNITE-2568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134563#comment-15134563
]
Vladimir Ozerov commented on IGNITE-2568:
-----------------------------------------
Essentially, we need to investigate Drill's code and understand how do they
pick Hadoop configuration.
> IGFS cannot be used as Apache Drill data source.
> ------------------------------------------------
>
> Key: IGNITE-2568
> URL: https://issues.apache.org/jira/browse/IGNITE-2568
> Project: Ignite
> Issue Type: Bug
> Components: IGFS
> Affects Versions: 1.5.0.final
> Reporter: Vladimir Ozerov
> Priority: Critical
> Fix For: 1.6
>
>
> The problem was reported on user list:
> http://apache-ignite-users.70518.x6.nabble.com/Apache-Drill-querying-IGFS-accelerated-H-DFS-td2840.html
> Even when IGFS is fully configured and is recognized correctly by installed
> Hadoop, Apache Drill cannot use it as data source. The following stack trace
> appears:
> {code}
> 2016-02-05 13:14:03,507 [294b5fe3-8f63-2134-67e0-42f7111ead44:foreman] ERROR
> o.a.d.exec.util.ImpersonationUtil - Failed to create DrillFileSystem for
> proxy user: No FileSystem for scheme: igfs
> java.io.IOException: No FileSystem for scheme: igfs
> at
> org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2644)
> ~[hadoop-common-2.7.1.jar:na]
> at
> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2651)
> ~[hadoop-common-2.7.1.jar:na]
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:92)
> ~[hadoop-common-2.7.1.jar:na]
> at
> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2687)
> ~[hadoop-common-2.7.1.jar:na]
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2669)
> ~[hadoop-common-2.7.1.jar:na]
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:371)
> ~[hadoop-common-2.7.1.jar:na]
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:170)
> ~[hadoop-common-2.7.1.jar:na]
> at
> org.apache.drill.exec.store.dfs.DrillFileSystem.<init>(DrillFileSystem.java:92)
> ~[drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.util.ImpersonationUtil$2.run(ImpersonationUtil.java:213)
> ~[drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.util.ImpersonationUtil$2.run(ImpersonationUtil.java:210)
> ~[drill-java-exec-1.4.0.jar:1.4.0]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[na:1.8.0_40-ea]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_40-ea]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> ~[hadoop-common-2.7.1.jar:na]
> at
> org.apache.drill.exec.util.ImpersonationUtil.createFileSystem(ImpersonationUtil.java:210)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.util.ImpersonationUtil.createFileSystem(ImpersonationUtil.java:202)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.store.dfs.WorkspaceSchemaFactory.accessible(WorkspaceSchemaFactory.java:150)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.store.dfs.FileSystemSchemaFactory$FileSystemSchema.<init>(FileSystemSchemaFactory.java:78)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.store.dfs.FileSystemSchemaFactory.registerSchemas(FileSystemSchemaFactory.java:65)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.store.dfs.FileSystemPlugin.registerSchemas(FileSystemPlugin.java:131)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.store.StoragePluginRegistry$DrillSchemaFactory.registerSchemas(StoragePluginRegistry.java:403)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.ops.QueryContext.getRootSchema(QueryContext.java:166)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.ops.QueryContext.getRootSchema(QueryContext.java:155)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.ops.QueryContext.getRootSchema(QueryContext.java:143)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.ops.QueryContext.getNewDefaultSchema(QueryContext.java:129)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.<init>(DrillSqlWorker.java:93)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:907)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:244)
> [drill-java-exec-1.4.0.jar:1.4.0]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_40-ea]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_40-ea]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40-ea]
> {code}
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