NPE in Preferences>SSL Keystore

[mleduque]

When opening the Preference window and choosing SSL Keystore, there is an Error event about a NPE.
The NPE happens server-side.

java.lang.NullPointerException: null
at java.io.FileInputStream.(FileInputStream.java:138) ~[na:1.7.0_55]
at java.io.FileInputStream.(FileInputStream.java:101) ~[na:1.7.0_55]
at com.codenvy.ide.ext.datasource.server.ssl.KeyStoreObject.extractKeyStoreFromFile(KeyStoreObject.java:82) ~[codenvy-ext-datasource-server-3.0.0-M16-SNAPSHOT.jar:3.0.0-M16-SNAPSHOT]
at com.codenvy.ide.ext.datasource.server.ssl.KeyStoreObject.(KeyStoreObject.java:67) ~[codenvy-ext-datasource-server-3.0.0-M16-SNAPSHOT.jar:3.0.0-M16-SNAPSHOT]
at com.codenvy.ide.ext.datasource.server.ssl.TrustStoreObject.(TrustStoreObject.java:37) ~[codenvy-ext-datasource-server-3.0.0-M16-SNAPSHOT.jar:3.0.0-M16-SNAPSHOT]
at com.codenvy.ide.ext.datasource.server.ssl.SslKeyStoreService.getTrustStore(SslKeyStoreService.java:53) ~[codenvy-ext-datasource-server-3.0.0-M16-SNAPSHOT.jar:3.0.0-M16-SNAPSHOT]