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authorEike Stepper2018-05-08 03:36:07 -0400
committerEike Stepper2018-05-08 03:36:07 -0400
commit0fa015ebf33aab5c73ba0a258e24205eb9e62738 (patch)
tree6049e7fa13a2f65b68fee5cfe12ab3b8f3d794d8 /plugins/org.eclipse.emf.cdo.tests/src
parent72150290befdd87c61e66cf52d085e217be614d8 (diff)
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[534438] Too many errors like java.lang.IllegalStateException: SELECT CDO_CLASS FROM CDO_OBJECTS WHERE CDO_ID=? already in cache
https://bugs.eclipse.org/bugs/show_bug.cgi?id=534438
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.tests/src')
-rw-r--r--plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_534438_Test.java70
1 files changed, 70 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_534438_Test.java b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_534438_Test.java
new file mode 100644
index 0000000000..837d2ad32b
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_534438_Test.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018 Eike Stepper (Berlin, Germany) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Eike Stepper - initial API and implementation
+ */
+package org.eclipse.emf.cdo.tests.bugzilla;
+
+import org.eclipse.emf.cdo.eresource.CDOResource;
+import org.eclipse.emf.cdo.server.internal.db.DBStore;
+import org.eclipse.emf.cdo.server.internal.db.mapping.horizontal.AbstractHorizontalMappingStrategy;
+import org.eclipse.emf.cdo.session.CDOSession;
+import org.eclipse.emf.cdo.tests.AbstractCDOTest;
+import org.eclipse.emf.cdo.tests.model1.Supplier;
+import org.eclipse.emf.cdo.transaction.CDOTransaction;
+import org.eclipse.emf.cdo.view.CDOQuery;
+
+import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
+
+import org.eclipse.emf.ecore.resource.Resource;
+
+import java.util.List;
+
+/**
+ * Bug 534438: Too many errors like java.lang.IllegalStateException: SELECT CDO_CLASS FROM CDO_OBJECTS WHERE CDO_ID=? already in cache.
+ *
+ * @author Eike Stepper
+ */
+public class Bugzilla_534438_Test extends AbstractCDOTest
+{
+ public void testDBConnectionUsedByMultipleThreads() throws Exception
+ {
+ CDOSession session = openSession();
+ CDOTransaction transaction = session.openTransaction();
+
+ for (int i = 0; i < 1000; i++)
+ {
+ CDOResource resource = transaction.createResource(getResourcePath("resource-" + i + "-fill.transformation"));
+ resource.getContents().add(getModel1Factory().createSupplier());
+ }
+
+ transaction.commit();
+
+ // Clear revision cache to force ObjectTypeTable to be used.
+ clearCache(getRepository().getRevisionManager());
+
+ // Clear object type cache to force ObjectTypeTable to be used.
+ AbstractHorizontalMappingStrategy mappingStrategy = (AbstractHorizontalMappingStrategy)((DBStore)getRepository().getStore()).getMappingStrategy();
+ LifecycleUtil.deactivate(mappingStrategy.getObjectTypeMapper());
+ LifecycleUtil.activate(mappingStrategy.getObjectTypeMapper());
+
+ CDOQuery query = transaction.createQuery("ocl", "Supplier.allInstances()->select( o | o.oclAsType(ecore::EObject).eResource()."
+ + "oclAsType(eresource::CDOResource).name.endsWith('-fill.transformation'))", getModel1Package().getSupplier());
+
+ List<Supplier> result = query.getResult();
+ msg(result.size());
+
+ for (Supplier supplier : result)
+ {
+ Resource resource = supplier.eResource();
+ resource.delete(null);
+ }
+
+ transaction.commit();
+ }
+}

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