check exception

[syjer]

Currently seems to be triggered when under stress. Maybe some kind of weird interactions between the old key collectors?

java.lang.IllegalStateException: Chunk 9661 not found [1.4.200/9]
        at org.h2.mvstore.DataUtils.newIllegalStateException(DataUtils.java:950) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.MVStore.getChunk(MVStore.java:1230) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.MVStore.readBufferForPage(MVStore.java:1214) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.MVStore.readPage(MVStore.java:2209) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.MVMap.readPage(MVMap.java:672) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.Page$NonLeaf.getChildPage(Page.java:1043) ~[h2-mvstore-1.4.200.jar!/:na]
        at org.h2.mvstore.Cursor.hasNext(Cursor.java:53) ~[h2-mvstore-1.4.200.jar!/:na]
        at ch.digitalfondue.synckv.SyncKVTable.getTableStats(SyncKVTable.java:384) ~[synckv-0.6.0.jar!/:na]
        at ch.digitalfondue.synckv.SyncKV.lambda$getTableMetadataForSync$1(SyncKV.java:225) ~[synckv-0.6.0.jar!/:na]
        at java.base/java.util.concurrent.ConcurrentHashMap.forEach(ConcurrentHashMap.java:1617) ~[na:na]
        at ch.digitalfondue.synckv.SyncKV.getTableMetadataForSync(SyncKV.java:224) ~[synckv-0.6.0.jar!/:na]
        at ch.digitalfondue.synckv.SynchronizationHandler.synchronizeDB(SynchronizationHandler.java:68) [synckv-0.6.0.jar!/:na]
        at ch.digitalfondue.synckv.SynchronizationHandler.run(SynchronizationHandler.java:51) [synckv-0.6.0.jar!/:na]
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514) [na:na]
        at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) [na:na]
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:300) [na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) [na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) [na:na]
        at java.base/java.lang.Thread.run(Thread.java:844) [na:na]