pjfanning commented on issue #109:
URL: https://github.com/apache/pekko-samples/issues/109#issuecomment-3442184263
A fuller version of the exception appears to be:
```
10/24 10:40:59 ERROR[main] o.a.c.s.CassandraDaemon - Exception encountered
during startup
java.lang.AssertionError: java.lang.reflect.InaccessibleObjectException:
Unable to make field private int java.io.FileDescriptor.fd accessible: module
java.base does not "opens java.io" to unnamed module @46d59067
at
org.apache.cassandra.utils.FBUtilities.getProtectedField(FBUtilities.java:608)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
at
org.apache.cassandra.utils.NativeLibrary.<clinit>(NativeLibrary.java:80)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:196)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
at
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:602)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
at
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:691)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make
field private int java.io.FileDescriptor.fd accessible: module java.base does
not "opens java.io" to unnamed module @46d59067
at
java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)
~[na:na]
at
java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
~[na:na]
at
java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:178) ~[na:na]
at java.base/java.lang.reflect.Field.setAccessible(Field.java:172)
~[na:na]
at
org.apache.cassandra.utils.FBUtilities.getProtectedField(FBUtilities.java:603)
~[cassandra-bundle.jar:0.0.0-1068-9a5c7580-SNAPSHOT]
... 4 common frames omitted
```
This issue is happening in Cassandra code and maybe it would be possible to
ask Cassandra experts. I don't use Cassandra much.
The sample runs with Java 8 and 11 so you try the sample with an older Java
version.
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