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Posted to issues@parquet.apache.org by "hugoncosta (via GitHub)" <gi...@apache.org> on 2025/09/24 13:39:07 UTC
[I] ParquetWriter is incompatible with JDK25 [parquet-java]
hugoncosta opened a new issue, #3328:
URL: https://github.com/apache/parquet-java/issues/3328
### Describe the bug, including details regarding any error messages, version, and platform.
Hello, I'm trying to upgrade my code base to JDK25 and I'm having this issue on my tests
```
java.lang.UnsupportedOperationException: getSubject is not supported
at java.base/javax.security.auth.Subject.getSubject(Subject.java:277)
at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:577)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3852)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3842)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3630)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:557)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:290)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:541)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:365)
at org.apache.parquet.hadoop.util.HadoopOutputFile.fromPath(HadoopOutputFile.java:58)
at com.amazon.networkvalidator.parquet.ParquetWriter.write(ParquetWriter.kt:75)
at com.amazon.networkvalidator.parquet.ParquetWriterTest$test writing to parquet$1.invokeSuspend(ParquetWriterTest.kt:88)
at com.amazon.networkvalidator.parquet.ParquetWriterTest$test writing to parquet$1.invoke(ParquetWriterTest.kt)
at com.amazon.networkvalidator.parquet.ParquetWriterTest$test writing to parquet$1.invoke(ParquetWriterTest.kt)
at kotlinx.coroutines.test.TestBuildersKt__TestBuildersKt$runTest$2$1$1.invokeSuspend(TestBuilders.kt:318)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:101)
at kotlinx.coroutines.test.TestDispatcher.processEvent$kotlinx_coroutines_test(TestDispatcher.kt:24)
at kotlinx.coroutines.test.TestCoroutineScheduler.tryRunNextTaskUnless$kotlinx_coroutines_test(TestCoroutineScheduler.kt:99)
at kotlinx.coroutines.test.TestBuildersKt__TestBuildersKt$runTest$2$1$workRunner$1.invokeSuspend(TestBuilders.kt:327)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:101)
at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:95)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:69)
at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:47)
at kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)
at kotlinx.coroutines.test.TestBuildersJvmKt.createTestResult(TestBuildersJvm.kt:10)
at kotlinx.coroutines.test.TestBuildersKt__TestBuildersKt.runTest-8Mi8wO0(TestBuilders.kt:310)
at kotlinx.coroutines.test.TestBuildersKt.runTest-8Mi8wO0(Unknown Source)
at kotlinx.coroutines.test.TestBuildersKt__TestBuildersKt.runTest-8Mi8wO0(TestBuilders.kt:168)
at kotlinx.coroutines.test.TestBuildersKt.runTest-8Mi8wO0(Unknown Source)
at kotlinx.coroutines.test.TestBuildersKt__TestBuildersKt.runTest-8Mi8wO0$default(TestBuilders.kt:160)
at kotlinx.coroutines.test.TestBuildersKt.runTest-8Mi8wO0$default(Unknown Source)
at com.amazon.networkvalidator.parquet.ParquetWriterTest.test writing to parquet(ParquetWriterTest.kt:76)
```
It appears this is an issue within the Hadoop libraries upon which Parquet Java depends on
### Component(s)
_No response_
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Re: [I] ParquetWriter is incompatible with JDK25 [parquet-java]
Posted by "hugoncosta (via GitHub)" <gi...@apache.org>.
hugoncosta commented on issue #3328:
URL: https://github.com/apache/parquet-java/issues/3328#issuecomment-3332426207
Work is ongoing in https://github.com/apache/hadoop/pull/7892
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Re: [I] ParquetWriter is incompatible with JDK25 [parquet-java]
Posted by "hugoncosta (via GitHub)" <gi...@apache.org>.
hugoncosta commented on issue #3328:
URL: https://github.com/apache/parquet-java/issues/3328#issuecomment-3328529702
Raised a Jira in Apache itself - [[​HADOOP-19703] UserGroupInformation.java is using a non-support operation in JDK25 - ASF JIRA](https://issues.apache.org/jira/browse/HADOOP-19703)
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Re: [I] ParquetWriter is incompatible with JDK25 [parquet-java]
Posted by "ChristopherWirt (via GitHub)" <gi...@apache.org>.
ChristopherWirt commented on issue #3328:
URL: https://github.com/apache/parquet-java/issues/3328#issuecomment-3402039995
I managed to get around this by - disabling the filesystem cache ```HADOOP_CONF.set("fs.file.impl.disable.cache", "true");```
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Re: [I] ParquetWriter is incompatible with JDK25 [parquet-java]
Posted by "steveloughran (via GitHub)" <gi...@apache.org>.
steveloughran commented on issue #3328:
URL: https://github.com/apache/parquet-java/issues/3328#issuecomment-4089192950
FYI Hadoop 3.5.0 (RC1 out this week!) is compatible with later java versions as it deals with the getSubject removal which oracle included when they took out all the sandbox. Needless piece of pain there.
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