I ran into an exception issue when playing around spark connect, more details can be found at https://issues.apache.org/jira/browse/SPARK-51451
pyspark.errors.exceptions.connect.AnalysisException: [UNSUPPORTED_GENERATOR.NESTED_IN_EXPRESSIONS] The generator is not supported: nested in expressions "unresolvedstarwithcolumns(explode(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)))". SQLSTATE: 42K0E Cheng Pan <pan3...@gmail.com> 于2025年3月8日周六 02:16写道: > -1 > > SPARK-51029 (GitHub PR [1]) removes `hive-llap-common` from Spark binary > distribution, which technically > breaks the feature "Spark SQL supports integration of Hive UDFs, UDAFs and > UDTFs"[2], more precisely, it change > Hive UDF support from batteries included to not. > > In details, when user runs a query like CREATE TEMPORARY FUNCTION hello AS > 'my.HelloUDF', it triggers > o.a.h.hive.ql.exec.FunctionRegistry initialization, which also initializes > the Hive built-in UDFs, UDAFs and > UDTFs[3], then NoClassDefFoundError ocuurs due to some built-in UDTFs > depend on class in hive-llap-common. > > > org.apache.spark.sql.execution.QueryExecutionException: > java.lang.NoClassDefFoundError: > org/apache/hadoop/hive/llap/security/LlapSigner$Signable > at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) > at > java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3373) > at java.base/java.lang.Class.getConstructor0(Class.java:3578) > at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2754) > at > org.apache.hive.common.util.ReflectionUtil.newInstance(ReflectionUtil.java:79) > at > org.apache.hadoop.hive.ql.exec.Registry.registerGenericUDTF(Registry.java:208) > at > org.apache.hadoop.hive.ql.exec.Registry.registerGenericUDTF(Registry.java:201) > at > org.apache.hadoop.hive.ql.exec.FunctionRegistry.<clinit>(FunctionRegistry.java:500) > at > org.apache.hadoop.hive.ql.udf.generic.GenericUDF.initializeAndFoldConstants(GenericUDF.java:160) > at > org.apache.spark.sql.hive.HiveGenericUDFEvaluator.returnInspector$lzycompute(hiveUDFEvaluators.scala:118) > at > org.apache.spark.sql.hive.HiveGenericUDFEvaluator.returnInspector(hiveUDFEvaluators.scala:117) > at > org.apache.spark.sql.hive.HiveGenericUDF.dataType$lzycompute(hiveUDFs.scala:132) > at org.apache.spark.sql.hive.HiveGenericUDF.dataType(hiveUDFs.scala:132) > at > org.apache.spark.sql.hive.HiveUDFExpressionBuilder$.makeHiveFunctionExpression(HiveSessionStateBuilder.scala:197) > at > org.apache.spark.sql.hive.HiveUDFExpressionBuilder$.$anonfun$makeExpression$1(HiveSessionStateBuilder.scala:177) > at org.apache.spark.util.Utils$.withContextClassLoader(Utils.scala:187) > at > org.apache.spark.sql.hive.HiveUDFExpressionBuilder$.makeExpression(HiveSessionStateBuilder.scala:171) > at > org.apache.spark.sql.catalyst.catalog.SessionCatalog.$anonfun$makeFunctionBuilder$1(SessionCatalog.scala:1689) > … > > > Currently (v4.0.0-rc2), user must add the hive-llap-common jar explicitly, > e.g. by using > --packages org.apache.hive:hive-llap-common:2.3.10, to fix the > NoClassDefFoundError issue, even the my.HelloUDF > does not depend on any class in hive-llap-common, this is quite confusing. > > [1] https://github.com/apache/spark/pull/49725 > [2] https://spark.apache.org/docs/3.5.5/sql-ref-functions-udf-hive.html > [3] > https://github.com/apache/hive/blob/rel/release-2.3.10/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java#L208 > > Thanks, > Cheng Pan > > > > On Mar 7, 2025, at 13:15, Wenchen Fan <cloud0...@gmail.com> wrote: > > RC2 fails and I'll cut RC3 next week. Thanks for the feedback! > > On Thu, Mar 6, 2025 at 6:44 AM Chris Nauroth <cnaur...@apache.org> wrote: > >> Here is one more problem I found during RC2 verification: >> >> https://github.com/apache/spark/pull/50173 >> >> This one is just a test issue. >> >> Chris Nauroth >> >> >> On Tue, Mar 4, 2025 at 2:55 PM Jules Damji <jules.da...@gmail.com> wrote: >> >>> - 1 (non-binding) >>> >>> A ran into number of installation and launching problems. May be it’s my >>> enviornment, even though I removed any old binaries and packages. >>> >>> 1. Pip installing pyspark4.0.0 and pyspark-connect-4.0 from .tz file >>> workedl, launching pyspark results into >>> >>> 25/03/04 14:00:26 ERROR SparkContext: Error initializing SparkContext. >>> java.lang.ClassNotFoundException: >>> org.apache.spark.sql.connect.SparkConnectPlugin >>> >>> 2. Similary installing the tar balls of either distribution and launch >>> spark-shell goes into a loop and terminated by the shutdown hook. >>> >>> Thank you Wenchen for leading these release onerous manager efforts, but >>> slowly we should be able to install and launch seamlessly. >>> >>> Keep up the good work & tireless effort for the Spark community! >>> >>> cheers >>> Jules >>> >>> WARNING: Using incubator modules: jdk.incubator.vector >>> 25/03/04 14:49:35 INFO BaseAllocator: Debug mode disabled. Enable with >>> the VM option -Darrow.memory.debug.allocator=true. >>> 25/03/04 14:49:35 INFO DefaultAllocationManagerOption: allocation >>> manager type not specified, using netty as the default type >>> 25/03/04 14:49:35 INFO CheckAllocator: Using DefaultAllocationManager at >>> memory/netty/DefaultAllocationManagerFactory.class >>> Using Spark's default log4j profile: >>> org/apache/spark/log4j2-defaults.properties >>> 25/03/04 14:49:35 WARN GrpcRetryHandler: Non-Fatal error during RPC >>> execution: org.sparkproject.io.grpc.StatusRuntimeException: UNAVAILABLE: io >>> exception, retrying (wait=50 ms, currentRetryNum=1, policy=DefaultPolicy). >>> 25/03/04 14:49:35 WARN GrpcRetryHandler: Non-Fatal error during RPC >>> execution: org.sparkproject.io.grpc.StatusRuntimeException: UNAVAILABLE: io >>> exception, retrying (wait=200 ms, currentRetryNum=2, policy=DefaultPolicy). >>> 25/03/04 14:49:35 WARN GrpcRetryHandler: Non-Fatal error during RPC >>> execution: org.sparkproject.io.grpc.StatusRuntimeException: UNAVAILABLE: io >>> exception, retrying (wait=800 ms, currentRetryNum=3, policy=DefaultPolicy). >>> 25/03/04 14:49:36 WARN GrpcRetryHandler: Non-Fatal error during RPC >>> execution: org.sparkproject.io.grpc.StatusRuntimeException: UNAVAILABLE: io >>> exception, retrying (wait=3275 ms, currentRetryNum=4, policy=DefaultPolicy). >>> 25/03/04 14:49:39 WARN GrpcRetryHandler: Non-Fatal error during RPC >>> execution: org.sparkproject.io.grpc.StatusRuntimeException: UNAVAILABLE: io >>> exception, retrying (wait=12995 ms, currentRetryNum=5, >>> policy=DefaultPolicy). >>> ^C25/03/04 14:49:40 INFO ShutdownHookManager: Shutdown hook called >>> >>> >>> >>> On Mar 4, 2025, at 2:24 PM, Chris Nauroth <cnaur...@apache.org> wrote: >>> >>> -1 (non-binding) >>> >>> I think I found some missing license information in the binary >>> distribution. We may want to include this in the next RC: >>> >>> https://github.com/apache/spark/pull/50158 >>> >>> Thank you for putting together this RC, Wenchen. >>> >>> Chris Nauroth >>> >>> >>> On Mon, Mar 3, 2025 at 6:10 AM Wenchen Fan <cloud0...@gmail.com> wrote: >>> >>>> Thanks for bringing up these blockers! I know RC2 isn’t fully ready >>>> yet, but with over 70 commits since RC1, it’s time to have a new RC so >>>> people can start testing the latest changes. Please continue testing and >>>> keep the feedback coming! >>>> >>>> On Mon, Mar 3, 2025 at 6:06 PM beliefer <belie...@163.com> wrote: >>>> >>>>> -1 >>>>> https://github.com/apache/spark/pull/50112 should be merged before >>>>> release. >>>>> >>>>> >>>>> At 2025-03-01 15:25:06, "Wenchen Fan" <cloud0...@gmail.com> wrote: >>>>> >>>>> Please vote on releasing the following candidate as Apache Spark >>>>> version 4.0.0. >>>>> >>>>> The vote is open until March 5 (PST) and passes if a majority +1 PMC >>>>> votes are cast, with a minimum of 3 +1 votes. >>>>> >>>>> [ ] +1 Release this package as Apache Spark 4.0.0 >>>>> [ ] -1 Do not release this package because ... >>>>> >>>>> To learn more about Apache Spark, please see https://spark.apache.org/ >>>>> >>>>> The tag to be voted on is v4.0.0-rc2 (commit >>>>> 85188c07519ea809012db24421714bb75b45ab1b) >>>>> https://github.com/apache/spark/tree/v4.0.0-rc2 >>>>> >>>>> The release files, including signatures, digests, etc. can be found at: >>>>> https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc2-bin/ >>>>> >>>>> Signatures used for Spark RCs can be found in this file: >>>>> https://dist.apache.org/repos/dist/dev/spark/KEYS >>>>> >>>>> The staging repository for this release can be found at: >>>>> https://repository.apache.org/content/repositories/orgapachespark-1478/ >>>>> >>>>> The documentation corresponding to this release can be found at: >>>>> https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc2-docs/ >>>>> >>>>> The list of bug fixes going into 4.0.0 can be found at the following >>>>> URL: >>>>> https://issues.apache.org/jira/projects/SPARK/versions/12353359 >>>>> >>>>> This release is using the release script of the tag v4.0.0-rc2. >>>>> >>>>> FAQ >>>>> >>>>> ========================= >>>>> How can I help test this release? >>>>> ========================= >>>>> >>>>> If you are a Spark user, you can help us test this release by taking >>>>> an existing Spark workload and running on this release candidate, then >>>>> reporting any regressions. >>>>> >>>>> If you're working in PySpark you can set up a virtual env and install >>>>> the current RC and see if anything important breaks, in the Java/Scala >>>>> you can add the staging repository to your projects resolvers and test >>>>> with the RC (make sure to clean up the artifact cache before/after so >>>>> you don't end up building with a out of date RC going forward). >>>>> >>>>> >>> >