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java.lang.NullPointerException: 	at com.solarmetric.datasource.DataSourceImpl$AbstractPool.createConnection(DataSourceImpl.java:986)	at com.solarmetric.datasource.DataSourceImpl$AbstractPool.findConnection(DataSourceImpl.java:855)	at com.solarmetric.datasource.DataSourceImpl$AbstractPool.getConnection(DataSourceImpl.java:574)	at com.solarmetric.datasource.DataSourceImpl.getConnection(DataSourceImpl.java:332)	at com.solarmetric.datasource.DataSourceImpl.getConnection(DataSourceImpl.java:325)	at com.solarmetric.kodo.impl.jdbc.runtime.DataSourceConnector.getConnection(DataSourceConnector.java:63)	at com.solarmetric.kodo.impl.jdbc.schema.DBDictionaryFactory.getDictionary(DBDictionaryFactory.java:179)	at com.solarmetric.kodo.impl.jdbc.JDBCSimpleConfiguration.getDictionary(JDBCSimpleConfiguration.java:370)	at com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerFactory.createSQLExecutionManager(SQLExecutionManagerFactory.java:65)	at com.solarmetric.kodo.impl.jdbc.schema.SchemaTool.(SchemaTool.java:83)	at com.solarmetric.kodo.impl.jdbc.schema.SchemaTool.main(SchemaTool.java:1122)	at com.solarmetric.kodo.impl.jdbc.schema.SchemaTool.main(SchemaTool.java:1102)	at com.solarmetric.kodo.impl.jdbc.schema.SchemaTool.main(SchemaTool.java:1075)