wForget commented on issue #1267:
URL:
https://github.com/apache/incubator-kyuubi/issues/1267#issuecomment-948623353
NullPointerException occurred when regenerating functions.md file. Fix in
#1272
command:
```
KYUUBI_UPDATE=1 build/mvn clean install -Pspark-provided
-DwildcardSuites=org.apache.kyuubi.engine.spark.udf.KyuubiDefinedFunctionSuite
```
error:
```
KyuubiDefinedFunctionSuite:
*** RUN ABORTED ***
java.lang.ExceptionInInitializerError:
at
org.apache.kyuubi.engine.spark.udf.KyuubiDefinedFunctionSuite.$anonfun$new$1(KyuubiDefinedFunctionSuite.scala:85)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at
org.scalatest.funsuite.AnyFunSuiteLike$$anon$1.apply(AnyFunSuiteLike.scala:226)
at org.apache.kyuubi.KyuubiFunSuite.withFixture(KyuubiFunSuite.scala:61)
at org.apache.kyuubi.KyuubiFunSuite.withFixture$(KyuubiFunSuite.scala:55)
...
Cause: java.lang.NullPointerException:
at
org.apache.kyuubi.engine.spark.udf.KDFRegistry$.<init>(KDFRegistry.scala:34)
at
org.apache.kyuubi.engine.spark.udf.KDFRegistry$.<clinit>(KDFRegistry.scala)
at
org.apache.kyuubi.engine.spark.udf.KyuubiDefinedFunctionSuite.$anonfun$new$1(KyuubiDefinedFunctionSuite.scala:85)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at
org.scalatest.funsuite.AnyFunSuiteLike$$anon$1.apply(AnyFunSuiteLike.scala:226)
```
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