The extract below is from the log file you sent; it looks like the dspace role cannot connect to your database. Maybe it's something as simple as an incorrect password? Make sure that the password for db.password
in dspace-src/dspace/config/dspace.cfg (or dspace-src/local.cfg if dspace 6.x) matches the password you configured for the dspace user of your Postgres database.
Refer to the database setup part of https://wiki.duraspace.org/display/DSDOC6x/Installing+DSpace#InstallingDSpace-RelationalDatabase:(PostgreSQLorOracle)
[java] java.sql.SQLException: Cannot create PoolableConnectionFactory (FATAL: role "dspace" is not permitted to log in)
[java] at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2294)
[java] at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2039)
[java] at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533)
[java] at org.dspace.storage.rdbms.DatabaseUtils.setupFlyway(DatabaseUtils.java:473)
[java] at org.dspace.storage.rdbms.DatabaseUtils.main(DatabaseUtils.java:98)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:498)
[java] at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:229)
[java] at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:81)
[java] Caused by: org.postgresql.util.PSQLException: FATAL: role "dspace" is not permitted to log in
[java] at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2458)
[java] at org.postgresql.core.v3.QueryExecutorImpl.readStartupMessages(QueryExecutorImpl.java:2589)
[java] at org.postgresql.core.v3.QueryExecutorImpl.<init>(QueryExecutorImpl.java:116)
[java] at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:225)
[java] at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:55)
[java] at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:219)
[java] at org.postgresql.Driver.makeConnection(Driver.java:407)
[java] at org.postgresql.Driver.connect(Driver.java:275)
[java] at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:39)
[java] at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:256)
[java] at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2304)
[java] at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2290)
[java] ... 10 more
[java]
[java] Attempting to connect to database
[java]
[java] Error running 'test':
[java] - java.sql.SQLException: Cannot create PoolableConnectionFactory (FATAL: role "dspace" is not permitted to log in)
[java]
[java] Please see the DSpace documentation for assistance.
[java]
[java] java.sql.SQLException: Cannot create PoolableConnectionFactory (FATAL: role "dspace" is not permitted to log in)
[java] at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2294)
[java] at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2039)
[java] at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533)
[java] at org.dspace.storage.rdbms.DatabaseUtils.main(DatabaseUtils.java:105)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:498)
[java] at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:229)
[java] at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:81)
[java] Caused by: org.postgresql.util.PSQLException: FATAL: role "dspace" is not permitted to log in
[java] at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2458)
[java] at org.postgresql.core.v3.QueryExecutorImpl.readStartupMessages(QueryExecutorImpl.java:2589)
[java] at org.postgresql.core.v3.QueryExecutorImpl.<init>(QueryExecutorImpl.java:116)
[java] at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:225)
[java] at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:55)
[java] at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:219)
[java] at org.postgresql.Driver.makeConnection(Driver.java:407)
[java] at org.postgresql.Driver.connect(Driver.java:275)
[java] at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:39)
[java] at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:256)
[java] at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2304)
[java] at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2290)
[java] ... 9 more
[java] 2017-02-24 11:04:52,933 WARN org.dspace.services.sessions.SessionRequestServiceImpl @ Request interceptor (org.dspace.services.events.SystemEventService$EventRequestInterceptor@1c50622) failed to execute on end (request-190-1487927092443): null
BUILD FAILED