Sentry Initialization Fails

jadmin — Fri, 16 Sep 2022 10:08:19 GMT

Environment

Cloudera Enterprise 5.5.1

HDFS, Hive, Impala, Sentry, Solr, Spark, YARN, Zookeeper

I just installed and setup Hive, Impala, and Sentry altogether. Sentry was able to create postgres tables, but the service does not start. I get the following output when running the command:

"sudo sentry --command schema-tool -conffile /etc/sentry/conf/sentry-file.xml --dbType postgres --initSchema"

Error: Syntax error: Encountered "START" at line 1, column 1. (state=42X01,code=30000)

Closing: 0: jdbc:derby:;databaseName=sentry_store_db;create=true

org.apache.sentry.SentryUserException: Schema initialization failed! Metastore state would be inconsistent!!

*** Sentry schemaTool failed ***

I am having trouble finding any resources on this (some stuff related to Hive showing this error but not Sentry). Any ideas on next steps?

Re: Sentry Initialization Fails

jadmin — Fri, 11 Mar 2016 15:11:39 GMT

Updated with full input/output

sudo sentry --command schema-tool --conffile /etc/sentry/conf/sentry-site.xml --dbType postgres --initSchema
Sentry store connection URL:     jdbc:derby:;databaseName=sentry_store_db;create=true
Sentry store Connection Driver :         org.apache.derby.jdbc.EmbeddedDriver
Sentry store connection User:    Sentry
Starting sentry store schema initialization to 1.5.0
Initialization script sentry-postgres-1.5.0.sql
Connecting to jdbc:derby:;databaseName=sentry_store_db;create=true
Connected to: Apache Derby (version 10.10.2.0 - (1582446))
Driver: Apache Derby Embedded JDBC Driver (version 10.10.2.0 - (1582446))
Transaction isolation: TRANSACTION_REPEATABLE_READ
Autocommit status: true
Error: Syntax error: Encountered "START" at line 1, column 1. (state=42X01,code=30000)
Closing: 0: jdbc:derby:;databaseName=sentry_store_db;create=true
org.apache.sentry.SentryUserException: Schema initialization FAILED! Metastore state would be inconsistent !!
*** Sentry schemaTool failed ***

Re: Sentry Initialization Fails

jadmin — Fri, 11 Mar 2016 16:18:19 GMT

I see a problem in Hive now - so perhaps this is where the issue lies.

[main]: Query for candidates of org.apache.hadoop.hive.metastore.model.MVersionTable and subclasses resulted in no possible candidates
Required table missing : ""VERSION"" in Catalog "" Schema "". DataNucleus requires this table to perform its persistence operations. Either your MetaData is incorrect, or you need to enable "datanucleus.autoCreateTables"
org.datanucleus.store.rdbms.exceptions.MissingTableException: Required table missing : ""VERSION"" in Catalog "" Schema "". DataNucleus requires this table to perform its persistence operations. Either your MetaData is incorrect, or you need to enable "datanucleus.autoCreateTables"
   at org.datanucleus.store.rdbms.table.AbstractTable.exists(AbstractTable.java:485)
   at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.performTablesValidation(RDBMSStoreManager.java:3380)
   at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.addClassTablesAndValidate(RDBMSStoreManager.java:3190)
   at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.run(RDBMSStoreManager.java:2841)
   at org.datanucleus.store.rdbms.AbstractSchemaTransaction.execute(AbstractSchemaTransaction.java:122)
   at org.datanucleus.store.rdbms.RDBMSStoreManager.addClasses(RDBMSStoreManager.java:1605)
   at org.datanucleus.store.AbstractStoreManager.addClass(AbstractStoreManager.java:954)
   at org.datanucleus.store.rdbms.RDBMSStoreManager.getDatastoreClass(RDBMSStoreManager.java:679)
   at org.datanucleus.store.rdbms.query.RDBMSQueryUtils.getStatementForCandidates(RDBMSQueryUtils.java:408)
   at org.datanucleus.store.rdbms.query.JDOQLQuery.compileQueryFull(JDOQLQuery.java:947)
   at org.datanucleus.store.rdbms.query.JDOQLQuery.compileInternal(JDOQLQuery.java:370)
   at org.datanucleus.store.query.Query.executeQuery(Query.java:1744)
   at org.datanucleus.store.query.Query.executeWithArray(Query.java:1672)
   at org.datanucleus.store.query.Query.execute(Query.java:1654)
   at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:221)
   at org.apache.hadoop.hive.metastore.ObjectStore.getMSchemaVersion(ObjectStore.java:6957)
   at org.apache.hadoop.hive.metastore.ObjectStore.getMetaStoreSchemaVersion(ObjectStore.java:6941)
   at org.apache.hadoop.hive.metastore.ObjectStore.checkSchema(ObjectStore.java:6899)
   at org.apache.hadoop.hive.metastore.ObjectStore.verifySchema(ObjectStore.java:6883)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:98)
   at com.sun.proxy.$Proxy10.verifySchema(Unknown Source)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:575)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:623)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:464)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:78)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:84)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5775)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5770)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:6022)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:5947)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
   at org.apache.hadoop.util.RunJar.main(RunJar.java:136)

Mar 10, 8:51:19.864 AM    ERROR    org.apache.hadoop.hive.metastore.HiveMetaStore

[main]: MetaException(message:Version information not found in metastore. )
   at org.apache.hadoop.hive.metastore.ObjectStore.checkSchema(ObjectStore.java:6902)
   at org.apache.hadoop.hive.metastore.ObjectStore.verifySchema(ObjectStore.java:6883)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:98)
   at com.sun.proxy.$Proxy10.verifySchema(Unknown Source)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:575)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:623)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:464)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:78)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:84)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5775)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5770)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:6022)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:5947)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
   at org.apache.hadoop.util.RunJar.main(RunJar.java:136)

Mar 10, 8:51:19.864 AM    ERROR    org.apache.hadoop.hive.metastore.HiveMetaStore

[main]: Metastore Thrift Server threw an exception...
MetaException(message:Version information not found in metastore. )
   at org.apache.hadoop.hive.metastore.ObjectStore.checkSchema(ObjectStore.java:6902)
   at org.apache.hadoop.hive.metastore.ObjectStore.verifySchema(ObjectStore.java:6883)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:98)
   at com.sun.proxy.$Proxy10.verifySchema(Unknown Source)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:575)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:623)
   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:464)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:78)
   at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:84)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5775)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5770)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:6022)
   at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:5947)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
   at org.apache.hadoop.util.RunJar.main(RunJar.java:136)

Mar 10, 8:55:20.286 AM    INFO    org.apache.hadoop.hive.metastore.HiveMetaStore

[Thread-3]: Shutting down hive metastore.

Connecting to postgres I cannot find the metastore DB. But when I shut down Hive ,and then use the Cloudera Manager option to generate the metastore, it succeeds with "already exists".

Re: Sentry Initialization Fails

jadmin — Fri, 11 Mar 2016 17:07:28 GMT

It seems I was able to at least partially fix metastore DB in postgres.

Now it starts up a lot nicer according to logs. But now I get:

"The Hive Metastore canary failed to drop the table it created"

Re: Sentry Initialization Fails

jadmin — Fri, 11 Mar 2016 18:12:44 GMT

Had to rebuild sentry database too to get that started. That then solved the previous Hive canary error.

Complicated yet interesting.

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