[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-8192) Could not instantiate dialect class HibernateException when Database in CC is expanded

Could not instantiate dialect class HibernateException when Database in CC is expanded -------------------------------------------------------------------------------------- Key: JBIDE-8192 URL: https://issues.jboss.org/browse/JBIDE-8192 Project: Tools (JBoss Tools) Issue Type: Bug Components: Help Affects Versions: 3.1.x Environment: JBDS 4.0.0.CR1 H88, Linux 64 Reporter: Jiri Peterka Assignee: Vitali Yemialyanchyk Fix For: LATER For example when creating dynamic web project and hibernate console (for precise steps see JBIDE-8189) when trying to expand HB CC -> Database for the FIRST TIME there is an HibernateException (see below). After "Rebuild Configuration" everything goes to normal. Exception is not always here but I saw it several times during few days. org.hibernate.HibernateException: Could not instantiate dialect class at org.hibernate.dialect.resolver.DialectFactory.constructDialect(DialectFactory.java:163) at org.hibernate.dialect.resolver.DialectFactory.buildDialect(DialectFactory.java:109) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:146) at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2163) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2155) at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter$2.execute(LazyDatabaseSchemaWorkbenchAdapter.java:110) at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:63) at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:72) at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.readDatabaseSchema(LazyDatabaseSchemaWorkbenchAdapter.java:107) at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.getChildren(LazyDatabaseSchemaWorkbenchAdapter.java:63) at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:106) at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:235) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) Caused by: java.lang.ClassCastException: org.hibernate.dialect.HSQLDialect cannot be cast to org.hibernate.dialect.Dialect at org.hibernate.dialect.resolver.DialectFactory.constructDialect(DialectFactory.java:157) ... 12 more rebuild