Thats awesome! and you are very very brave to attempt this :)

Do you have plans to eventually upgrade Hive?  Would really love to support
your use case on an official release :)

On Thu, Oct 24, 2019 at 4:58 AM Gurudatt Kulkarni <[email protected]>
wrote:

> Hi Vinoth,
>
> I tried your second suggestion and it worked
>
>  >>> B) Try to shade/bundle more jars to try and make master work. Current
> bundles don't include parquet - either in utilities-bundle for hive syncing
> or mr-bundle for queries. This amounts to including jars
>
> https://github.com/apache/incubator-hudi/blob/master/packaging/hudi-hadoop-mr-bundle/pom.xml#L66
> here.
>
> Just putting down points that I followed
>
> 1. Changed to Hive 1.1 and modified relevant classes, here's the diff [1]
> 2. But even after modifying the relevant classes and building, I was
> hitting into the same error, then I stumbled into this PR [2]. I followed
> the same and commented out the relocation patterns, and it worked.
> Just couldn't understand how shading could cause ClassCastExceptions.
>
> [1]
> https://github.com/apache/incubator-hudi/compare/master...Guru107:hive11
> [2] https://github.com/apache/incubator-hudi/pull/625
>
>
> Regards,
> Gurudatt
>
> On Mon, Oct 21, 2019 at 9:29 PM Gurudatt Kulkarni <[email protected]>
> wrote:
>
> > Hi Vinoth,
> >
> > Thank you for going back in time to figure out a way :)
> > Will try out your suggestions.
> >
> > Regards,
> > Gurudatt
> >
> > On Monday, October 21, 2019, Vinoth Chandar <[email protected]> wrote:
> > > After looking into some diffs. Main issue with Hive 1.x is that its
> still
> > > on com.twitter:parquet and our code is now (rightfully) moved to
> > > org.apache.parquet.
> > >
> > >
> >
> https://github.com/apache/incubator-hudi/blob/hoodie-0.4.7/hoodie-hadoop-mr/pom.xml#L87
> > >
> >
> https://github.com/apache/incubator-hudi/blob/hoodie-0.4.7/packaging/hoodie-hadoop-mr-bundle/pom.xml#L183
> > >
> > >
> > > A) We could either go back to previous release of Hudi that supported
> > 1.x.
> > > you would need to build using
> > >
> >
> https://github.com/apache/incubator-hudi/commit/e042aea837412b461b02f8062d8a11e8029823bf#diff-018e220b50f876168d6d1d4dbf52ce84
> > >  *mvn clean install -DskipTests -DskipITs -Dhive11*
> > >
> > > B) Try to shade/bundle more jars to try and make master work. Current
> > > bundles don't include parquet - either in utilities-bundle for hive
> > syncing
> > > or mr-bundle for queries. This amounts to including jars
> > >
> >
> https://github.com/apache/incubator-hudi/blob/master/packaging/hudi-hadoop-mr-bundle/pom.xml#L66
> > > here.
> > >
> > > On Fri, Oct 18, 2019 at 8:50 AM Vinoth Chandar <[email protected]>
> > wrote:
> > >
> > >> Looks like this is similar to the Hive 1.x issue faced in another
> > thread.
> > >>
> > >> Let me think through this and get back to you. We need to reverse
> trace
> > >> change we did to drop hive 1.x support and pom redesign changes
> > >>
> > >> On Wed, Oct 16, 2019 at 6:53 AM Gurudatt Kulkarni <
> [email protected]>
> > >> wrote:
> > >>
> > >>> Hi Nishith,
> > >>>
> > >>> I tried the approach that you suggested, no luck. The writes were
> > >>> successful but the hive-sync fails.
> > >>>
> > >>> Here's the stack trace that I am getting. Its mostly version mismatch
> > >>> issue
> > >>> from what I searched.
> > >>>
> > >>> ```
> > >>> 19/10/16 18:31:42 ERROR jdbc.HiveConnection: Error opening session
> > >>> org.apache.thrift.TApplicationException: Required field
> > 'client_protocol'
> > >>> is unset! Struct:TOpenSessionReq(client_protocol:null,
> > >>>
> > >>>
> >
> configuration:{set:hiveconf:hive.server2.thrift.resultset.default.fetch.size=1000,
> > >>> use:database=default})
> > >>> at
> > >>>
> > >>>
> >
> org.apache.thrift.TApplicationException.read(TApplicationException.java:111)
> > >>> at
> org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:79)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.org.apache.hive.service.rpc.thrift.TCLIService$Client.recv_OpenSession(TCLIService.java:168)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.org.apache.hive.service.rpc.thrift.TCLIService$Client.OpenSession(TCLIService.java:155)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.org.apache.hive.jdbc.HiveConnection.openSession(HiveConnection.java:680)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:200)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:107)
> > >>> at java.sql.DriverManager.getConnection(DriverManager.java:664)
> > >>> at java.sql.DriverManager.getConnection(DriverManager.java:247)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.hive.HoodieHiveClient.createHiveConnection(HoodieHiveClient.java:544)
> > >>> at
> > org.apache.hudi.hive.HoodieHiveClient.<init>(HoodieHiveClient.java:106)
> > >>> at org.apache.hudi.hive.HiveSyncTool.<init>(HiveSyncTool.java:60)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.utilities.deltastreamer.DeltaSync.syncHive(DeltaSync.java:440)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.utilities.deltastreamer.DeltaSync.writeToSink(DeltaSync.java:382)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.utilities.deltastreamer.DeltaSync.syncOnce(DeltaSync.java:226)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.sync(HoodieDeltaStreamer.java:120)
> > >>> at
> > >>>
> > >>>
> >
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.main(HoodieDeltaStreamer.java:292)
> > >>> 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
> > >>>
> > >>>
> >
> org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:688)
> > >>> ```
> > >>>
> > >>> Regards,
> > >>> Gurudatt
> > >>>
> > >>> On Tue, Oct 15, 2019 at 9:50 PM nishith agarwal <[email protected]
> >
> > >>> wrote:
> > >>>
> > >>> > Gurudatt,
> > >>> >
> > >>> > Hudi master moved away from Hive 1.x to Hive 2.x. However, can you
> > try
> > >>> to
> > >>> > build master and provide a connection URL to the Hive 1.x
> > metastore/hive
> > >>> > server ?
> > >>> >
> > >>> > Thanks,
> > >>> > Nishith
> > >>> >
> > >>> >
> > >>> >
> > >>> > On Tue, Oct 15, 2019 at 9:11 AM Vinoth Chandar <[email protected]>
> > >>> wrote:
> > >>> >
> > >>> > > Ouch.. We dropped support for Hive 1.x recently. But Hive 1.2.x
> > might
> > >>> > still
> > >>> > > work. Is there a possibility of going one minor version up?
> > >>> > >
> > >>> > > Balaji and Nishith know the gory details, and possible deal with.
> > Hive
> > >>> > 1.x
> > >>> > > now and then.
> > >>> > > Folks, Is there any chance to make master work with Hive 1.x with
> > some
> > >>> > > custom changes?
> > >>> > >
> > >>> > > On Mon, Oct 14, 2019 at 10:11 PM Gurudatt Kulkarni <
> > >>> [email protected]>
> > >>> > > wrote:
> > >>> > >
> > >>> > > > Hi Vinoth,
> > >>> > > >
> > >>> > > > Thank you for the quick response, but using the master branch
> > would
> > >>> > mean
> > >>> > > > building for Hive 2.X, but we are still working on Hive 1.1.0
> :(
> > >>> > > >
> > >>> > > >
> > >>> > > > On Mon, Oct 14, 2019 at 7:57 PM Vinoth Chandar <
> > [email protected]>
> > >>> > > wrote:
> > >>> > > >
> > >>> > > > > Hi Gurudatt,
> > >>> > > > >
> > >>> > > > > Thanks for reporting this. This seems like a class mismatch
> > issue
> > >>> > (the
> > >>> > > > > particular stack trace). master and the next org.apache.hudi
> > >>> release
> > >>> > > has
> > >>> > > > > tons of fixes around this. Could you give master branch a
> shot
> > by
> > >>> > > > building
> > >>> > > > > it yourself?
> > >>> > > > > <
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> http://mail-archives.apache.org/mod_mbox/hudi-dev/201906.mbox/%3CCADTZSaV9GO=3uymyzy6vidjo_va-_98tqalokmmoakbcc1g...@mail.gmail.com%3E
> > >>> > > > > >
> > >>> > > > >
> > >>> > > > > To achieve what you are trying to do, please see this old
> > thread.
> > >>> > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> http://mail-archives.apache.org/mod_mbox/hudi-dev/201906.mbox/%3CCADTZSaV9GO=3uymyzy6vidjo_va-_98tqalokmmoakbcc1g...@mail.gmail.com%3E
> > >>> > > > >
> > >>> > > > > You also need to set the following properties.
> > >>> > > > >
> > >>> > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> hoodie.datasource.write.keygenerator.class=org.apache.hudi.NonpartitionedKeyGenerator
> > >>> > > > >
> > >>> > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> hoodie.datasource.hive_sync.partition_extractor_class=org.apache.hudi.hive.NonPartitionedExtractor
> > >>> > > > >
> > >>> > > > >
> > >>> > > > > Balaji ,Can we faq your answer on that thread, since this an
> > often
> > >>> > > > > asked question?
> > >>> > > > >
> > >>> > > > >
> > >>> > > > > Thanks
> > >>> > > > >
> > >>> > > > > vinoth
> > >>> > > > >
> > >>> > > > >
> > >>> > > > >
> > >>> > > > > On Mon, Oct 14, 2019 at 4:58 AM Gurudatt Kulkarni <
> > >>> > [email protected]
> > >>> > > >
> > >>> > > > > wrote:
> > >>> > > > >
> > >>> > > > > > Hi All,
> > >>> > > > > >
> > >>> > > > > > I am using HoodieDeltaStreamer (hoodie-0.4.7) to migrate a
> > small
> > >>> > > table.
> > >>> > > > > The
> > >>> > > > > > data is being written successfully in parquet format but
> the
> > >>> hive
> > >>> > > sync
> > >>> > > > > > fails.
> > >>> > > > > >
> > >>> > > > > > Here's the Stacktrace.
> > >>> > > > > >
> > >>> > > > > > 19/10/14 17:02:12 INFO metastore.ObjectStore: Setting
> > MetaStore
> > >>> > > object
> > >>> > > > > > pin classes with
> > >>> > > > > >
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order"
> > >>> > > > > > 19/10/14 17:02:12 ERROR yarn.ApplicationMaster: User class
> > threw
> > >>> > > > > > exception: java.lang.ClassCastException:
> > >>> > > > > >
> > >>> > >
> > >>>
> org.apache.hadoop.hive.ql.optimizer.ppr.PartitionExpressionForMetastore
> > >>> > > > > > cannot be cast to
> > >>> > > > > >
> > >>> > > >
> > >>> >
> > >>>
> > com.uber.hoodie.org.apache.hadoop_hive.metastore.PartitionExpressionProxy
> > >>> > > > > > java.lang.ClassCastException:
> > >>> > > > > >
> > >>> > >
> > >>>
> org.apache.hadoop.hive.ql.optimizer.ppr.PartitionExpressionForMetastore
> > >>> > > > > > cannot be cast to
> > >>> > > > > >
> > >>> > > >
> > >>> >
> > >>>
> > com.uber.hoodie.org.apache.hadoop_hive.metastore.PartitionExpressionProxy
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.ObjectStore.createExpressionProxy(ObjectStore.java:367)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.ObjectStore.initialize(ObjectStore.java:345)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.ObjectStore.setConf(ObjectStore.java:298)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > >
> > >>>
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:60)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:69)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:682)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:660)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:709)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:508)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:78)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:84)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:6481)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:207)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.org.apache.hadoop_hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:187)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > >
> > >>>
> com.uber.hoodie.hive.HoodieHiveClient.<init>(HoodieHiveClient.java:102)
> > >>> > > > > >         at
> > >>> > > > com.uber.hoodie.hive.HiveSyncTool.<init>(HiveSyncTool.java:61)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.utilities.deltastreamer.HoodieDeltaStreamer.syncHive(HoodieDeltaStreamer.java:328)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.utilities.deltastreamer.HoodieDeltaStreamer.sync(HoodieDeltaStreamer.java:298)
> > >>> > > > > >         at
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> com.uber.hoodie.utilities.deltastreamer.HoodieDeltaStreamer.main(HoodieDeltaStreamer.java:469)
> > >>> > > > > >         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
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> >
> org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:688)
> > >>> > > > > >
> > >>> > > > > >
> > >>> > > > > > Here's are the properties that I am using,
> > >>> > > > > >
> > >>> > > > > >
> > >>> > > > > > ```
> > >>> > > > > >
> > >>> > > > > > hoodie.upsert.shuffle.parallelism=2
> > >>> > > > > > hoodie.insert.shuffle.parallelism=2
> > >>> > > > > > hoodie.bulkinsert.shuffle.parallelism=2
> > >>> > > > > >
> > >>> > > > > > # Key fields, for kafka example
> > >>> > > > > > hoodie.datasource.write.recordkey.field=<primary_key>
> > >>> > > > > > *hoodie.datasource.write.partitionpath.field=*
> > >>> > > > > > # schema provider configs
> > >>> > > > > > hoodie.deltastreamer.schemaprovider.registry.url=
> > >>> > > > > > http://localhost:8081/subjects/schema_name/versions/latest
> > >>> > > > > > # Kafka Source
> > >>> > > > > > hoodie.datasource.hive_sync.database=default
> > >>> > > > > > hoodie.datasource.hive_sync.table=table_name
> > >>> > > > > >
> > hoodie.datasource.hive_sync.jdbcurl=jdbc:hive2://localhost:10000
> > >>> > > > > > *hoodie.datasource.hive_sync.partition_fields=*
> > >>> > > > > >
> > >>> > > > > > hoodie.deltastreamer.source.kafka.topic=topic_name
> > >>> > > > > > #Kafka props
> > >>> > > > > > metadata.broker.list=localhost:9092
> > >>> > > > > > auto.offset.reset=smallest
> > >>> > > > > > schema.registry.url=http://localhost:8081
> > >>> > > > > >
> > >>> > > > > > ```
> > >>> > > > > >
> > >>> > > > > >
> > >>> > > > > > The table does not have partitons, hence i have kept
> > >>> > > > > > *hoodie.datasource.write.partitionpath.field *blank,
> > >>> > > > > >
> > >>> > > > > > so it is writing it to `default` directory.
> > >>> > > > > >
> > >>> > > > > > Also, *hoodie.datasource.hive_sync.partition_fields
> > *property is
> > >>> > left
> > >>> > > > > > blank for the same reason.
> > >>> > > > > >
> > >>> > > > > >
> > >>> > > > > > Regards,
> > >>> > > > > >
> > >>> > > > > > Gurudatt
> > >>> > > > > >
> > >>> > > > >
> > >>> > > >
> > >>> > >
> > >>> >
> > >>>
> > >>
> > >
>

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