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Re: [eclipselink-users] Re: SQLException: No suitable driver found for jdbc:derby:test; create=true
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Hi Andreas,
I remember having some trouble using the Derby Plug-in with an EclipseLink
OSGi application before. I cannot remember exactly what the issue was, but I
think it was related to what was published by the plugin.
I suggest trying something like the Derby plug-in project provided in our
Demo. The full instructions for the demo can be found here:
http://dev.eclipse.org/viewsvn/index.cgi/trunk/examples/org.eclipse.persistence.example.jpa.rcp.comics/ReadMe.txt?root=RT_Eclipselink&view=log
The reference to org.eclipse.persistence.derby will be the one you are looking for.
-Tom
Andreas Lüdeke wrote:
Hi Tom,
i debugged all once more and my assumption that the derby driver is on
my classpath seems to be wrong. what i has done was adding the derby
plugin as dependency to my plugin and (just in order to ensure) as buddy
to org.eclipse.persistence.core/jpa, javax.persistence.
To ensure that JPA is able to find the EmbeddedDriver class i provided
my plugin classLoader as PersistentUnitProperty:
Map<String, Object> properties = new HashMap<String, Object>();
properties.put(PersistenceUnitProperties.CLASSLOADER, this.getClass()
.getClassLoader());
EntityManagerFactory emf = new PersistenceProvider()
.createEntityManagerFactory("net.ludeke.test.eclipselink",
properties);
EntityManager em = emf.createEntityManager();
But when i debug the DriverManager the the Classloader for the
org.eclipse.persistence.core Plugin is used and not the one i provided
via the PersistenUnitProperty.
Is that the expected behavior?
I hope that these details could help you a little bit.
Best Regards
Andreas
On Wed, 2008-12-17 at 10:57 -0500, Tom Ware wrote:
Hi Andreas,
Is the Derby JDBC jar specifically on your classpath, or are you using an
OSGi or RCP configuration?
-Tom
Andreas Lüdeke wrote:
Hi,
one more comment on this: the EmbeddedDriver is in the classpath and the
class could be resolved. It seems that the exception is thrown when the
url (jdbc:derby:test;create=true) is been parsed. I didnt't know why
this could happen, also using the ClientDriver and an corresponding url
has not worked (i got the same exception) for me.
I am using the current eclipse plugin from the derby home page.
hopefully one of you could give me an hint what i do wrong.
Best regards
Andreas
On Wed, Dec 17, 2008 at 8:28 AM, Andreas Lüdeke <andreas@xxxxxxxxxx
<mailto:andreas@xxxxxxxxxx>> wrote:
Hi,
i currently try tu run an first example with eclipselink in eclipse
rcp. I already had a look at your default example in svn and used
this as starting point. So my peristence.xml looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0"
xmlns="http://java.sun.com/xml/ns/persistence";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd";>
<persistence-unit name="net.ludeke.test.eclipselink">
<class>net.ludeke.test.eclipselink.Test
</class>
<properties>
<property name="eclipselink.target-database"
value="Derby" />
<property name="eclipselink.jdbc.driver"
value="org.apache.derby.jdbc.EmbeddedDriver" />
<property name="eclipselink.jdbc.url"
value="jdbc:derby:test;create=true" />
<property name="eclipselink.jdbc.user" value="" />
<property name="eclipselink.jdbc.password" value="" />
<!-- Logging -->
<property name="eclipselink.logging.level" value="FINEST" />
</properties>
</persistence-unit>
</persistence>
But when i try to initialize my EntityManager i got the following Error:
[EL Info]: 2008.12.17
08:24:45.498--ServerSession(28987414)--Thread(Thread[main,6,main])--EclipseLink,
version: Eclipse Persistence Services - 1.0.2 (Build 20081024)
[EL Config]: 2008.12.17
08:24:45.511--ServerSession(28987414)--Connection(7417577)--Thread(Thread[main,6,main])--connecting(DatabaseLogin(
platform=>DerbyPlatform
user name=> ""
datasource URL=> "jdbc:derby:test;create=true"
))
[EL Warning]: 2008.12.17
08:24:45.714--ServerSession(28987414)--Thread(Thread[main,6,main])--java.sql.SQLException:
No suitable driver found for jdbc:derby:test;create=true
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:97)
at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:164)
at
org.eclipse.persistence.internal.databaseaccess.DatasourceAccessor.connectInternal(DatasourceAccessor.java:324)
at
org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.connectInternal(DatabaseAccessor.java:264)
at
org.eclipse.persistence.internal.databaseaccess.DatasourceAccessor.connect(DatasourceAccessor.java:407)
at
org.eclipse.persistence.sessions.server.ConnectionPool.buildConnection(ConnectionPool.java:130)
at
org.eclipse.persistence.sessions.server.ConnectionPool.startUp(ConnectionPool.java:367)
at
org.eclipse.persistence.sessions.server.ServerSession.connect(ServerSession.java:500)
at
org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.login(DatabaseSessionImpl.java:606)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:211)
at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:246)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:69)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:118)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:112)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:100)
at
net.ludeke.test.eclipselink.NavigationView.<init>(NavigationView.java:34)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:170)
at
org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:867)
at
org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at
org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
at
org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:259)
at
org.eclipse.ui.internal.registry.ViewDescriptor.createView(ViewDescriptor.java:63)
at
org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:328)
at
org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:230)
at
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:306)
at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
at
org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
at
org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
at
org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at
org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
at
org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
at
org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)
at
org.eclipse.ui.internal.PartStack.createControl(PartStack.java:649)
at
org.eclipse.ui.internal.PartStack.createControl(PartStack.java:576)
at
org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568)
at
org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:271)
at
org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:964)
at
org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2593)
at
org.eclipse.ui.internal.WorkbenchWindow$25.run(WorkbenchWindow.java:2873)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at
org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2854)
at
org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:759)
at
org.eclipse.ui.internal.Workbench$21.runWithException(Workbench.java:1027)
at
org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
at
org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
at
org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
at
org.eclipse.ui.internal.Workbench$27.runWithException(Workbench.java:1361)
at
org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
at
org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2293)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
at
org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at
net.ludeke.test.eclipselink.Application.start(Application.java:20)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
Could somebody explain why this doesn't work?
Best regards
Andreas
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