Error when invoking completion

[ericbottard]

When trying to invoke completion like this

stream create bar --definition ":<TAB>"

We get an error similar to

java.lang.IllegalArgumentException: name must not be empty nor null
        at org.springframework.util.Assert.hasText(Assert.java:168) ~[spring-core-4.2.6.RELEASE.jar!/:4.2.6.RELEASE]
        at org.springframework.cloud.dataflow.server.repository.AbstractRdbmsKeyValueRepository.findOne(AbstractRdbmsKeyValueRepository.java:157) ~[spring-cloud-dataflow-server-core-1.0.1.BUILD-SNAPSHOT.jar!/:1.0.1.BUILD-SNAPSHOT]
        at org.springframework.cloud.dataflow.server.repository.AbstractRdbmsKeyValueRepository.findOne(AbstractRdbmsKeyValueRepository.java:50) ~[spring-cloud-dataflow-server-core-1.0.1.BUILD-SNAPSHOT.jar!/:1.0.1.BUILD-SNAPSHOT]
        at org.springframework.cloud.dataflow.server.repository.AbstractRdbmsKeyValueRepository$$FastClassBySpringCGLIB$$2d5a2a81.invoke(<generated>) ~[spring-cloud-dataflow-server-core-1.0.1.BUILD-SNAPSHOT.jar!/:1.0.1.BUILD-SNAPSHOT]