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java.lang.NoClassDefFoundError: Could not initialize class org.hsqldb.lib.FrameworkLogger	at org.hsqldb.persist.Logger.getEventLogger(Unknown Source)	at org.hsqldb.persist.Logger.logSevereEvent(Unknown Source)	at org.hsqldb.persist.Logger.closePersistence(Unknown Source)	at org.hsqldb.Database.reopen(Unknown Source)	at org.hsqldb.Database.open(Unknown Source)	at org.hsqldb.DatabaseManager.getDatabase(Unknown Source)	at org.hsqldb.DatabaseManager.newSession(Unknown Source)	at org.hsqldb.jdbc.JDBCConnection.(Unknown Source)	at org.hsqldb.jdbc.JDBCDriver.getConnection(Unknown Source)	at org.hsqldb.jdbc.JDBCDriver.connect(Unknown Source)	at java.sql.DriverManager.getConnection(DriverManager.java:582)	at java.sql.DriverManager.getConnection(DriverManager.java:185)	at org.datanucleus.store.rdbms.datasource.dbcp.DriverManagerConnectionFactory.createConnection(DriverManagerConnectionFactory.java:75)	at org.datanucleus.store.rdbms.datasource.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)	at org.datanucleus.store.rdbms.datasource.dbcp.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1158)	at org.datanucleus.store.rdbms.datasource.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:454)	at org.datanucleus.store.rdbms.RDBMSStoreManager.(RDBMSStoreManager.java:259)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:597)	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)	at org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:227)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:591)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:293)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:189)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)	at java.security.AccessController.doPrivileged(Native Method)	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)	at de.myview.document.PMFProviderHSQL.createPMF(PMFProviderHSQL.java:87)	at de.myview.document.NodeJUnitTest.setAttribute(NodeJUnitTest.java:38)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)