helmi created ARROW-16129:
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Summary: Illegal reflective access operation
Key: ARROW-16129
URL: https://issues.apache.org/jira/browse/ARROW-16129
Project: Apache Arrow
Issue Type: Bug
Components: Java
Affects Versions: 7.0.0
Environment: Distributor ID: Ubuntu
Description: Ubuntu 20.04.4 LTS
Release: 20.04
Codename: focal
Reporter: helmi
I'm parsing an arrow stream using the apache arrow java library 7.0.0 and I'm
seeing this warning:
{code:java}
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.arrow.memory.util.MemoryUtil
(file:/home/ubuntu/.m2/repository/org/apache/arrow/arrow-memory-core/7.0.0/arrow-memory-core-7.0.0.jar)
to field java.nio.Buffer.address
WARNING: Please consider reporting this to the maintainers of
org.apache.arrow.memory.util.MemoryUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future release
{code}
I'm running java from openjdk 11
{code:java}
java --version
openjdk 11.0.12 2021-07-20
OpenJDK Runtime Environment (build 11.0.12+0-adhoc..source)
OpenJDK 64-Bit Server VM (build 11.0.12+0-adhoc..source, mixed mode)
{code}
When moving to openjdk 17 I'm no longer able to run my code and I'm seeing this
error
{code:java}
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make field
long java.nio.Buffer.address accessible: module java.base does not "opens
java.nio" to unnamed module @315ea6a7
at java.lang.reflect.AccessibleObject.checkCanSetAccessible
(AccessibleObject.java:354)
at java.lang.reflect.AccessibleObject.checkCanSetAccessible
(AccessibleObject.java:297)
at java.lang.reflect.Field.checkCanSetAccessible (Field.java:178)
at java.lang.reflect.Field.setAccessible (Field.java:172)
at org.apache.arrow.memory.util.MemoryUtil.<clinit> (MemoryUtil.java:84)
at org.apache.arrow.memory.ArrowBuf.getDirectBuffer (ArrowBuf.java:228)
at org.apache.arrow.memory.ArrowBuf.nioBuffer (ArrowBuf.java:223)
at org.apache.arrow.vector.ipc.ReadChannel.readFully (ReadChannel.java:87)
at org.apache.arrow.vector.ipc.message.MessageSerializer.readMessageBody
(MessageSerializer.java:727)
at org.apache.arrow.vector.ipc.message.MessageChannelReader.readNext
(MessageChannelReader.java:67)
at org.apache.arrow.vector.ipc.ArrowStreamReader.loadNextBatch
(ArrowStreamReader.java:145)
... {code}
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