[ 
https://issues.apache.org/jira/browse/HIVE-24410?focusedWorklogId=515642&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-515642
 ]

ASF GitHub Bot logged work on HIVE-24410:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/Nov/20 16:21
            Start Date: 23/Nov/20 16:21
    Worklog Time Spent: 10m 
      Work Description: klcopp commented on a change in pull request #1693:
URL: https://github.com/apache/hive/pull/1693#discussion_r528829672



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Worker.java
##########
@@ -590,6 +587,39 @@ public Object run() throws Exception {
     return true;
   }
 
+  private void failCompactionIfSetForTest() {
+    if(conf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST) && 
conf.getBoolVar(HiveConf.ConfVars.HIVETESTMODEFAILCOMPACTION)) {
+      throw new 
RuntimeException(HiveConf.ConfVars.HIVETESTMODEFAILCOMPACTION.name() + "=true");
+    }
+  }
+
+  private void runCompactionViaMrJob(CompactionInfo ci, Table t, Partition p, 
StorageDescriptor sd,
+      ValidCompactorWriteIdList tblValidWriteIds, StringBuilder jobName, 
AcidUtils.Directory dir, StatsUpdater su)
+      throws IOException, HiveException, InterruptedException {
+    final CompactorMR mr = new CompactorMR();
+    if (runJobAsSelf(ci.runAs)) {
+      mr.run(conf, jobName.toString(), t, p, sd, tblValidWriteIds, ci, su, 
msc, dir);
+    } else {
+      UserGroupInformation ugi = UserGroupInformation.createProxyUser(ci.runAs,
+          UserGroupInformation.getLoginUser());
+      final Partition fp = p;
+      final CompactionInfo fci = ci;
+      ugi.doAs(new PrivilegedExceptionAction<Object>() {

Review comment:
       Noted, will do! Thanks for taking a look at this!




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 515642)
    Time Spent: 1.5h  (was: 1h 20m)

> Query-based compaction hangs because of doAs
> --------------------------------------------
>
>                 Key: HIVE-24410
>                 URL: https://issues.apache.org/jira/browse/HIVE-24410
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Karen Coppage
>            Assignee: Karen Coppage
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> QB compaction runs within a doas +and+ hive.server2.enable.doAs is set to 
> true (as of HIVE-24089). On a secure cluster with Worker threads running in 
> HS2, this results in HMS client not receiving a login context during 
> compaction queries, so kerberos prompts for a login via stdin which causes 
> the worker thread to hang until it times out:
> {code:java}
> "node-x.com-44_executor" #47 daemon prio=1 os_prio=0 tid=0x0000000001506000 
> nid=0x1348 runnable [0x00007f1beea95000]
>    java.lang.Thread.State: RUNNABLE
>         at java.io.FileInputStream.readBytes(Native Method)
>         at java.io.FileInputStream.read(FileInputStream.java:255)
>         at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
>         - locked <0x000000009fa38c90> (a java.io.BufferedInputStream)
>         at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
>         at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
>         at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
>         - locked <0x000000008c7d5010> (a java.io.InputStreamReader)
>         at java.io.InputStreamReader.read(InputStreamReader.java:184)
>         at java.io.BufferedReader.fill(BufferedReader.java:161)
>         at java.io.BufferedReader.readLine(BufferedReader.java:324)
>         - locked <0x000000008c7d5010> (a java.io.InputStreamReader)
>         at java.io.BufferedReader.readLine(BufferedReader.java:389)
>         at 
> com.sun.security.auth.callback.TextCallbackHandler.readLine(TextCallbackHandler.java:153)
>         at 
> com.sun.security.auth.callback.TextCallbackHandler.handle(TextCallbackHandler.java:120)
>         at 
> com.sun.security.auth.module.Krb5LoginModule.promptForName(Krb5LoginModule.java:862)
>         at 
> com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:708)
>         at 
> com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:617)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at 
> javax.security.auth.login.LoginContext.invoke(LoginContext.java:755)
>         at 
> javax.security.auth.login.LoginContext.access$000(LoginContext.java:195)
>         at javax.security.auth.login.LoginContext$4.run(LoginContext.java:682)
>         at javax.security.auth.login.LoginContext$4.run(LoginContext.java:680)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at 
> javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
>         at javax.security.auth.login.LoginContext.login(LoginContext.java:587)
>         at sun.security.jgss.GSSUtil.login(GSSUtil.java:258)
>         at sun.security.jgss.krb5.Krb5Util.getInitialTicket(Krb5Util.java:175)
>         at 
> sun.security.jgss.krb5.Krb5InitCredential$1.run(Krb5InitCredential.java:341)
>         at 
> sun.security.jgss.krb5.Krb5InitCredential$1.run(Krb5InitCredential.java:337)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at 
> sun.security.jgss.krb5.Krb5InitCredential.getTgt(Krb5InitCredential.java:336)
>         at 
> sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:146)
>         at 
> sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
>         at 
> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:189)
>         at 
> sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
>         at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
>         at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
>         at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
>         at 
> org.apache.thrift.transport.TSaslClientTransport.handleSaslStartMessage(TSaslClientTransport.java:94)
>         at 
> org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:271)
>         at 
> org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37)
>         at 
> org.apache.hadoop.hive.metastore.security.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:51)
>         at 
> org.apache.hadoop.hive.metastore.security.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:48)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1898)
>         at 
> org.apache.hadoop.hive.metastore.security.TUGIAssumingTransport.open(TUGIAssumingTransport.java:48)
>         at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:631)
>         at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:241)
>         at 
> org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:118)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
> Method)
>         at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>         at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>         at 
> org.apache.hadoop.hive.metastore.utils.JavaUtils.newInstance(JavaUtils.java:84)
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:96)
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:149)
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:120)
>         at 
> org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:5092)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:5160)
>         - locked <0x000000008c6b2118> (a 
> org.apache.hadoop.hive.ql.metadata.Hive)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:5140)
>         - locked <0x000000008c6b2118> (a 
> org.apache.hadoop.hive.ql.metadata.Hive)
>         at org.apache.hadoop.hive.ql.Compiler.analyze(Compiler.java:190)
>         at org.apache.hadoop.hive.ql.Compiler.compile(Compiler.java:104)
>         at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:194)
>         at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:605)
>         at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:663)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:495)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:484)
>         at 
> org.apache.hadoop.hive.ql.DriverUtils.runOnDriver(DriverUtils.java:70)
>         at 
> org.apache.hadoop.hive.ql.DriverUtils.runOnDriver(DriverUtils.java:50)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.QueryCompactor.runCompactionQueries(QueryCompactor.java:122)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.MmMajorQueryCompactor.runCompaction(MmMajorQueryCompactor.java:68)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.CompactorMR.run(CompactorMR.java:234)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.Worker$1.run(Worker.java:542)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1898)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.Worker.findNextCompactionAndExecute(Worker.java:539)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.Worker.lambda$run$0(Worker.java:105)
>         at 
> org.apache.hadoop.hive.ql.txn.compactor.Worker$$Lambda$109/1712344484.call(Unknown
>  Source)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:748)
> {code}
> If we remove query-based compaction from the doas (and leave 
> hive.server2.enable.doAs==true), the issue does not occur.



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