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Sam Hutchins commented on DERBY-7114: ------------------------------------- We still get this from time to time, with Derby 10.17.1.0 and JDK 21.0.2 > class org.apache.derby.iapi.store.raw.PageKey cannot be cast to class > org.apache.derby.iapi.store.raw.ContainerKey > ------------------------------------------------------------------------------------------------------------------ > > Key: DERBY-7114 > URL: https://issues.apache.org/jira/browse/DERBY-7114 > Project: Derby > Issue Type: Bug > Affects Versions: 10.14.2.0 > Environment: Java 8/11, Windows/macOS > Reporter: Sam Hutchins > Priority: Major > > Hi, > > We're using the embedded driver, and we sometimes see this exception in the > wild: > > {code:java} > java.lang.RuntimeException: java.sql.SQLException: Java exception: 'class > org.apache.derby.iapi.store.raw.PageKey cannot be cast to class > org.apache.derby.iapi.store.raw.ContainerKey > (org.apache.derby.iapi.store.raw.PageKey and > org.apache.derby.iapi.store.raw.ContainerKey are in unnamed module of loader > 'app'): java.lang.ClassCastException'.java.lang.RuntimeException: > java.sql.SQLException: Java exception: 'class > org.apache.derby.iapi.store.raw.PageKey cannot be cast to class > org.apache.derby.iapi.store.raw.ContainerKey > (org.apache.derby.iapi.store.raw.PageKey and > org.apache.derby.iapi.store.raw.ContainerKey are in unnamed module of loader > 'app'): java.lang.ClassCastException'. at > uk.co.screamingfrog.db.utils.DBHelpers.handleSQLException(SourceFile:68) > ~[dbutils-1.0-SNAPSHOT.jar:?] at > uk.co.screamingfrog.seospider.db.LinksTableOperations.a(SourceFile:341) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.db.LinksTableOperations.b(SourceFile:215) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.storage.db.k.c(SourceFile:82) > ~[ScreamingFrogSEOSpider.jar:?] at java.util.HashMap.computeIfAbsent(Unknown > Source) ~[?:?] at uk.co.screamingfrog.seospider.storage.db.k.b(SourceFile:76) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.storage.db.k.a(SourceFile:41) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.g.f.b(SourceFile:184) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.g.f.a(SourceFile:81) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.g.f.f(SourceFile:56) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.g.m.h_(SourceFile:58) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.h.d.c(SourceFile:22) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.seospider.h.e.c(SourceFile:66) > ~[ScreamingFrogSEOSpider.jar:?] at seo.spider.spider.a.n(SourceFile:114) > ~[ScreamingFrogSEOSpider.jar:?] at seo.spider.spider.a.k(SourceFile:91) > ~[ScreamingFrogSEOSpider.jar:?] at > uk.co.screamingfrog.utils.utils.PriorityRunnable.run(SourceFile:25) > ~[utils-1.0-SNAPSHOT.jar:?] at > java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[?:?] at > java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[?:?] at > java.lang.Thread.run(Unknown Source) [?:?]Caused by: java.sql.SQLException: > Java exception: 'class org.apache.derby.iapi.store.raw.PageKey cannot be cast > to class org.apache.derby.iapi.store.raw.ContainerKey > (org.apache.derby.iapi.store.raw.PageKey and > org.apache.derby.iapi.store.raw.ContainerKey are in unnamed module of loader > 'app'): java.lang.ClassCastException'. at > org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.Util.javaException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.closeOnTransactionError(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.next(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > uk.co.screamingfrog.seospider.db.LinksTableOperations.a(SourceFile:314) > ~[ScreamingFrogSEOSpider.jar:?] ... 17 moreCaused by: > org.apache.derby.iapi.error.StandardException: Java exception: 'class > org.apache.derby.iapi.store.raw.PageKey cannot be cast to class > org.apache.derby.iapi.store.raw.ContainerKey > (org.apache.derby.iapi.store.raw.PageKey and > org.apache.derby.iapi.store.raw.ContainerKey are in unnamed module of loader > 'app'): java.lang.ClassCastException'. at > org.apache.derby.iapi.error.StandardException.newException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.SQLExceptionFactory.wrapArgsForTransportAcrossDRDA(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.Util.javaException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.closeOnTransactionError(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.next(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > uk.co.screamingfrog.seospider.db.LinksTableOperations.a(SourceFile:314) > ~[ScreamingFrogSEOSpider.jar:?] ... 17 moreCaused by: > java.lang.ClassCastException: class org.apache.derby.iapi.store.raw.PageKey > cannot be cast to class org.apache.derby.iapi.store.raw.ContainerKey > (org.apache.derby.iapi.store.raw.PageKey and > org.apache.derby.iapi.store.raw.ContainerKey are in unnamed module of loader > 'app') at > org.apache.derby.impl.store.raw.data.FileContainer.setIdentity(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.services.cache.ConcurrentCache.find(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.raw.data.FileContainer.getUserPage(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.raw.data.FileContainer.getPage(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.raw.data.BaseContainerHandle.getPage(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BranchControlRow.getChildPageAtSlot(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BranchControlRow.search(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BranchControlRow.search(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BTreeScan.positionAtStartForForwardScan(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BTreeForwardScan.positionAtStartPosition(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BTreeForwardScan.fetchRows(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.store.access.btree.BTreeScan.fetchNext(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.sql.execute.TableScanResultSet.loopControl(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.sql.execute.TableScanResultSet.getNextRowCore(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.sql.execute.IndexRowToBaseRowResultSet.getNextRowCore(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet.getNextRowCore(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.getNextRow(Unknown > Source) ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > org.apache.derby.impl.jdbc.EmbedResultSet.next(Unknown Source) > ~[derby-10.14.2.0.jar:?] at > uk.co.screamingfrog.seospider.db.LinksTableOperations.a(SourceFile:314) > ~[ScreamingFrogSEOSpider.jar:?] ... 17 more {code} > > We've seen it happen in 2 separate products, and with multiple paths in. I'm > not sure how to reproduce it though, I'm afraid. -- This message was sent by Atlassian Jira (v8.20.10#820010)