org.apache.cassandra.exceptions.UnaccessibleFieldException: The value of the 'arg$1' field from java.util.function.Consumer$$Lambda$78/0x00007f3f4808ce10 cannot be retrieved at org.apache.cassandra.utils.concurrent.Ref.getFieldValue(Ref.java:715) at org.apache.cassandra.utils.concurrent.Ref$InProgressVisit.nextChild(Ref.java:531) at org.apache.cassandra.utils.concurrent.Ref$Visitor.traverse(Ref.java:602) at org.apache.cassandra.utils.concurrent.Ref$Visitor.run(Ref.java:571) at org.apache.cassandra.concurrent.ExecutionFailure$1.run(ExecutionFailure.java:133) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:840) Caused by: java.lang.UnsupportedOperationException: can't get field offset on a hidden class: private final java.util.function.Consumer java.util.function.Consumer$$Lambda$78/0x00007f3f4808ce10.arg$1 at jdk.unsupported/sun.misc.Unsafe.objectFieldOffset(Unsafe.java:645) at org.apache.cassandra.utils.concurrent.Ref.getFieldValue(Ref.java:705) ... 11 more org.apache.cassandra.exceptions.UnaccessibleFieldException: The value of the 'arg$1' field from java.util.function.Consumer$$Lambda$78/0x00007f3f4808ce10 cannot be retrieved at org.apache.cassandra.utils.concurrent.Ref.getFieldValue(Ref.java:715) at org.apache.cassandra.utils.concurrent.Ref$InProgressVisit.nextChild(Ref.java:531) at org.apache.cassandra.utils.concurrent.Ref$Visitor.traverse(Ref.java:602) at org.apache.cassandra.utils.concurrent.Ref$Visitor.run(Ref.java:571) at org.apache.cassandra.concurrent.ExecutionFailure$1.run(ExecutionFailure.java:133) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:840) Caused by: java.lang.UnsupportedOperationException: can't get field offset on a hidden class: private final java.util.function.Consumer java.util.function.Consumer$$Lambda$78/0x00007f3f4808ce10.arg$1 at jdk.unsupported/sun.misc.Unsafe.objectFieldOffset(Unsafe.java:645) at org.apache.cassandra.utils.concurrent.Ref.getFieldValue(Ref.java:705) ... 11 more