java.lang.NullPointerException: This exception has no message.

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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)

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