Since upgrading to version 7.9.14 from 7.9.5, a bit after 9AM this morning, I’m seeing very choppy trend data which was solid prior to the upgrade.
I don’t know it’s associated, but I’m also seeing the wrapper and online logs chockers full (all 6 log files are completely full with this same error within 4 minutes!!) of these errors:
E [S.S.HsqlDataStore ] [05:43:51]: Error deserializing data from data store.
java.lang.ClassNotFoundException: com.inductiveautomation.ignition.gateway.alarming.journal.AlarmJournal$AlarmJournalSFData
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at java.io.ObjectInputStream.resolveClass(Unknown Source)
at com.inductiveautomation.ignition.gateway.cluster.ModuleObjectInputStream.resolveClass(ModuleObjectInputStream.java:37)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at com.inductiveautomation.ignition.gateway.cluster.ClusterUtil.deserializeObject(ClusterUtil.java:96)
at com.inductiveautomation.ignition.gateway.cluster.ClusterUtil.deserializeObject(ClusterUtil.java:56)
at com.inductiveautomation.ignition.gateway.cluster.ClusterUtil.unzipAndDeserializeObject(ClusterUtil.java:90)
at com.inductiveautomation.ignition.gateway.history.stores.AbstractDatasourceStore.deserializeObject(AbstractDatasourceStore.java:492)
at com.inductiveautomation.ignition.gateway.history.stores.AbstractDatasourceStore.loadTransactions(AbstractDatasourceStore.java:565)
at com.inductiveautomation.ignition.gateway.history.stores.AbstractDatasourceStore.syncdTakeNext(AbstractDatasourceStore.java:508)
at com.inductiveautomation.ignition.gateway.history.stores.AbstractStore.takeNext(AbstractStore.java:215)
at com.inductiveautomation.ignition.gateway.history.stores.MultiStageStore.syncdTakeNext(MultiStageStore.java:165)
at com.inductiveautomation.ignition.gateway.history.stores.AbstractStore.takeNext(AbstractStore.java:215)
at com.inductiveautomation.ignition.gateway.history.forwarders.ForwarderThread.synchedTakeNext(ForwarderThread.java:204)
at com.inductiveautomation.ignition.gateway.history.forwarders.RedundancyAwareForwarder.synchedTakeNext(RedundancyAwareForwarder.java:68)
at com.inductiveautomation.ignition.gateway.history.forwarders.ForwarderThread.run(ForwarderThread.java:139)
Any ideas?