Jason Brown created CASSANDRA-14757:
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Summary: GCInspector "Error accessing field of java.nio.Bits"
under java11
Key: CASSANDRA-14757
URL: https://issues.apache.org/jira/browse/CASSANDRA-14757
Project: Cassandra
Issue Type: Bug
Components: Metrics
Reporter: Jason Brown
Fix For: 4.0
Running under java11, {{GCInspector}} throws the following exception:
{noformat}
DEBUG [main] 2018-09-18 05:18:25,905 GCInspector.java:78 - Error accessing
field of java.nio.Bits
java.lang.NoSuchFieldException: totalCapacity
at java.base/java.lang.Class.getDeclaredField(Class.java:2412)
at
org.apache.cassandra.service.GCInspector.<clinit>(GCInspector.java:72)
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:308)
at
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:590)
at
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:679)
{noformat}
This is because {{GCInspector}} uses reflection to read the {{totalCapacity}}
from {{java.nio.Bits}}. This field was renamed to {{TOTAL_CAPACITY}} somewhere
between java8 and java11.
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