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https://issues.jboss.org/browse/JBIDE-8192?page=com.atlassian.jira.plugin...
]
Vitali Yemialyanchyk commented on JBIDE-8192:
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look like the issue could be the same reason as JBIDE-8027 has, but I can't state this
exactly.
of cause it is interesting to get exact steps to reproduce, i.e. the situation where this
exception is constantly reproducible.
other possible reason is Thread.currentThread().getContextClassLoader() - i.e. imo
possible to get situation where Dialects loaded by different class loaders - so one
can't be cast to other.
Could not instantiate dialect class HibernateException when Database
in CC is expanded
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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
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