Good day,

I get this error when I try to start AirAvata in CentOS 7.
I try to google to solve the problem. However, I can't find any solution.

ERROR org.apache.airavata.registry.core.experiment.catalog.resources.Utils
- validationQuery

Attached the log file. Please help. Thanks.

-- 
Best Regards
Dr. Ang Tan Fong, A.M.P.
Senior Lecturer
Department of Computer System and Technology
Faculty of Computer Science and Information Technology
University of Malaya

-- 
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menerima Mesej ini kerana kesilapan, anda mesti menghapuskan Mesej ini 
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2016-03-24 12:28:24,796 [main] INFO  org.apache.airavata.common.utils.ApplicationSettings  - Settings loaded from file:/root/LocalAiravata/apache-airavata-server-0.16-SNAPSHOT/bin/airavata-server.properties
2016-03-24 12:28:24,838 [main] INFO  org.apache.airavata.server.ServerMain  - Airavata server instance starting...
2016-03-24 12:28:24,863 [Thread-0] INFO  org.apache.airavata.common.utils.AiravataZKUtils  - Starting Zookeeper server...
2016-03-24 12:28:25,984 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - connected to rabbitmq: amqp://[email protected]:5672/ for airavata_rabbitmq_exchange
2016-03-24 12:28:25,991 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - setting basic.qos / prefetch count to 64 for airavata_rabbitmq_exchange
2016-03-24 12:28:26,836 [main] INFO  org.apache.airavata.api.server.util.ExperimentCatalogInitUtil  - Database already created for Experiment Catalog !!!
2016-03-24 12:28:26,839 [main] ERROR org.apache.airavata.registry.core.experiment.catalog.resources.Utils  - validationQuery
org.apache.airavata.common.exception.ApplicationSettingsException: validationQuery
	at org.apache.airavata.common.utils.ApplicationSettings.getSettingImpl(ApplicationSettings.java:190)
	at org.apache.airavata.common.utils.ApplicationSettings.getSetting(ApplicationSettings.java:321)
	at org.apache.airavata.registry.core.experiment.catalog.resources.Utils.getValidationQuery(Utils.java:135)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:50)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	at org.apache.airavata.api.server.util.ExperimentCatalogInitUtil.initializeDB(ExperimentCatalogInitUtil.java:88)
	at org.apache.airavata.api.server.AiravataAPIServer.startAiravataServer(AiravataAPIServer.java:68)
	at org.apache.airavata.api.server.AiravataAPIServer.start(AiravataAPIServer.java:202)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
2016-03-24 12:28:28,767 [main] ERROR org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils  - Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
<openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:203)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	at org.apache.airavata.api.server.util.ExperimentCatalogInitUtil.initializeDB(ExperimentCatalogInitUtil.java:88)
	at org.apache.airavata.api.server.AiravataAPIServer.startAiravataServer(AiravataAPIServer.java:68)
	at org.apache.airavata.api.server.AiravataAPIServer.start(AiravataAPIServer.java:202)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 23 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 28 more
2016-03-24 12:28:28,768 [main] ERROR org.apache.airavata.api.server.util.ExperimentCatalogInitUtil  - <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:232)
	at org.apache.airavata.api.server.util.ExperimentCatalogInitUtil.initializeDB(ExperimentCatalogInitUtil.java:88)
	at org.apache.airavata.api.server.AiravataAPIServer.startAiravataServer(AiravataAPIServer.java:68)
	at org.apache.airavata.api.server.AiravataAPIServer.start(AiravataAPIServer.java:202)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:203)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	... 6 more
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 23 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 28 more
2016-03-24 12:28:28,800 [main] ERROR org.apache.airavata.server.ServerMain  - Server Start Error:
java.lang.RuntimeException: Database failure
	at org.apache.airavata.api.server.util.ExperimentCatalogInitUtil.initializeDB(ExperimentCatalogInitUtil.java:124)
	at org.apache.airavata.api.server.AiravataAPIServer.startAiravataServer(AiravataAPIServer.java:68)
	at org.apache.airavata.api.server.AiravataAPIServer.start(AiravataAPIServer.java:202)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:232)
	at org.apache.airavata.api.server.util.ExperimentCatalogInitUtil.initializeDB(ExperimentCatalogInitUtil.java:88)
	... 5 more
Caused by: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:203)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	... 6 more
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 23 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 28 more
2016-03-24 12:28:28,885 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - connected to rabbitmq: amqp://[email protected]:5672/ for airavata_rabbitmq_exchange
2016-03-24 12:28:28,886 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - setting basic.qos / prefetch count to 64 for airavata_rabbitmq_exchange
2016-03-24 12:28:28,914 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - connected to rabbitmq: amqp://[email protected]:5672/ for null
2016-03-24 12:28:28,914 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - setting basic.qos / prefetch count to 64 for null
2016-03-24 12:28:28,952 [main] ERROR org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils  - Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
<openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getMappingRepositoryInstance(JDBCConfigurationImpl.java:711)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:140)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:164)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:122)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:209)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	at org.apache.airavata.registry.core.experiment.catalog.impl.ExperimentCatalogImpl.<init>(ExperimentCatalogImpl.java:63)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:82)
	at org.apache.airavata.orchestrator.server.OrchestratorServerHandler.<init>(OrchestratorServerHandler.java:112)
	at org.apache.airavata.orchestrator.server.OrchestratorServer.start(OrchestratorServer.java:114)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 27 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 32 more
2016-03-24 12:28:28,953 [main] ERROR org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory  - Unable to create experiment catalog instance
org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:232)
	at org.apache.airavata.registry.core.experiment.catalog.impl.ExperimentCatalogImpl.<init>(ExperimentCatalogImpl.java:63)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:82)
	at org.apache.airavata.orchestrator.server.OrchestratorServerHandler.<init>(OrchestratorServerHandler.java:112)
	at org.apache.airavata.orchestrator.server.OrchestratorServer.start(OrchestratorServer.java:114)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getMappingRepositoryInstance(JDBCConfigurationImpl.java:711)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:140)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:164)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:122)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:209)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	... 7 more
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 27 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 32 more
2016-03-24 12:28:28,953 [main] ERROR org.apache.airavata.orchestrator.server.OrchestratorServerHandler  - org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
org.apache.airavata.registry.cpi.RegistryException: org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:86)
	at org.apache.airavata.orchestrator.server.OrchestratorServerHandler.<init>(OrchestratorServerHandler.java:112)
	at org.apache.airavata.orchestrator.server.OrchestratorServer.start(OrchestratorServer.java:114)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:232)
	at org.apache.airavata.registry.core.experiment.catalog.impl.ExperimentCatalogImpl.<init>(ExperimentCatalogImpl.java:63)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:82)
	... 5 more
Caused by: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getMappingRepositoryInstance(JDBCConfigurationImpl.java:711)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:140)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:164)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:122)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:209)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	... 7 more
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 27 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 32 more
2016-03-24 12:28:28,954 [main] ERROR org.apache.airavata.server.ServerMain  - Server Start Error:
org.apache.airavata.orchestrator.core.exception.OrchestratorException: Error while initializing orchestrator service
	at org.apache.airavata.orchestrator.server.OrchestratorServerHandler.<init>(OrchestratorServerHandler.java:123)
	at org.apache.airavata.orchestrator.server.OrchestratorServer.start(OrchestratorServer.java:114)
	at org.apache.airavata.server.ServerMain.startAllServers(ServerMain.java:292)
	at org.apache.airavata.server.ServerMain.performServerStart(ServerMain.java:141)
	at org.apache.airavata.server.ServerMain.main(ServerMain.java:124)
Caused by: org.apache.airavata.registry.cpi.RegistryException: org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:86)
	at org.apache.airavata.orchestrator.server.OrchestratorServerHandler.<init>(OrchestratorServerHandler.java:112)
	... 4 more
Caused by: org.apache.airavata.registry.cpi.RegistryException: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:232)
	at org.apache.airavata.registry.core.experiment.catalog.impl.ExperimentCatalogImpl.<init>(ExperimentCatalogImpl.java:63)
	at org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory.getDefaultExpCatalog(RegistryFactory.java:82)
	... 5 more
Caused by: <openjpa-2.2.0-r422266:1244990 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:102)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
	at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1510)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
	at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
	at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:104)
	at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
	at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:968)
	at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:959)
	at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getMappingRepositoryInstance(JDBCConfigurationImpl.java:711)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:140)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:164)
	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:122)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:209)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.getEntityManager(ExpCatResourceUtils.java:69)
	at org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils.isGatewayExist(ExpCatResourceUtils.java:221)
	... 7 more
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
	at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
	at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
	... 27 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.Util.getInstance(Util.java:387)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370)
	at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
	at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:658)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1558)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
	... 32 more
2016-03-24 12:28:29,193 [main] INFO  org.apache.curator.framework.imps.CuratorFrameworkImpl  - Starting
2016-03-24 12:28:29,618 [main-EventThread] INFO  org.apache.curator.framework.state.ConnectionStateManager  - State change: CONNECTED
2016-03-24 12:28:29,705 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQStatusConsumer  - connected to rabbitmq: amqp://[email protected]:5672/ for airavata_task_launch_rabbitmq_exchange
2016-03-24 12:28:29,794 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - connected to rabbitmq: amqp://[email protected]:5672/ for airavata_rabbitmq_exchange
2016-03-24 12:28:29,796 [main] INFO  org.apache.airavata.messaging.core.impl.RabbitMQProducer  - setting basic.qos / prefetch count to 64 for airavata_rabbitmq_exchange
2016-03-24 12:28:29,840 [Thread-6] INFO  org.apache.airavata.gfac.server.GfacServer  - Starting Gfac Server on Port 8950
2016-03-24 12:28:29,840 [Thread-6] INFO  org.apache.airavata.gfac.server.GfacServer  - Listening to Gfac Clients ....
2016-03-24 12:28:30,373 [Thread-8] INFO  org.apache.airavata.credential.store.server.CredentialStoreServer  - Starting Credential store Server on Port 8960
2016-03-24 12:28:30,374 [Thread-8] INFO  org.apache.airavata.credential.store.server.CredentialStoreServer  - Listening to Credential store clients ....

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