Hibernate configuration error while reading schema

Hey stackoverflow, I tried to add a Hibernate configuration to my workspace in order to reverse engineer my database. When I am opening the database point in the 'Hibernate Configurations' view, i get a Reading schema error: null with the following exception:

java.lang.NullPointerException at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter$1.compare(LazyDatabaseSchemaWorkbenchAdapter.java:76) at java.util.TimSort.countRunAndMakeAscending(Unknown Source) at java.util.TimSort.sort(Unknown Source) at java.util.Arrays.sort(Unknown Source) at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.toArray(BasicWorkbenchAdapter.java:75) at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.getChildren(LazyDatabaseSchemaWorkbenchAdapter.java:74) at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:104) at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:238) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) 

Has someone experienced this before? I am running a fresh installation of Eclipse Luna / Newest JBoss Tools and trying to connect to a PostgreSQL 9.3 DB. Thank you in advance EDIT: My hibernate.cfg.xml :

    org.postgresql.Driver ****** jdbc:postgresql://10.244.7.77:5432/netview admin public   

EDIT 2: I just realized, if i add a default schema it works, but just for this schema. EDIT 3: It works with an old version of Hibernate tools (3.6.0.M1-v20120827-0757-H1125). Now i am confused.