InvalidExampleException on liquibase:update

Steps to reproduce:

#pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>LiquibaseBug</groupId>
<artifactId>LiquibaseBug</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-maven-plugin</artifactId>
<version>3.2.0</version>
<configuration>
<changeLogFile>src/changelog.xml</changeLogFile>
<driver>org.hsqldb.jdbcDriver</driver>
<url>jdbc:hsqldb:file:~/test</url>
<username>sa</username>
<password></password>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>1.8.0.10</version>
</dependency>
</dependencies>
</project>

#changelog.xml

<?xml version="1.0" encoding="UTF-8"?>

<databaseChangeLog
xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">

<preConditions>
<runningAs username="liquibase"/>
</preConditions>

<changeSet id="1" author="nvoxland">
<createTable tableName="person">
<column name="id" type="int" autoIncrement="true">
<constraints primaryKey="true" nullable="false"/>
</column>
<column name="firstname" type="varchar(50)"/>
<column name="lastname" type="varchar(50)">
<constraints nullable="false"/>
</column>
<column name="state" type="char(2)"/>
</createTable>
</changeSet>

<changeSet id="2" author="nvoxland">
<addColumn tableName="person">
<column name="username" type="varchar(8)"/>
</addColumn>
</changeSet>
<changeSet id="3" author="nvoxland">
<addLookupTable
existingTableName="person" existingColumnName="state"
newTableName="state" newColumnName="id" newColumnDataType="char(2)"/>
</changeSet>

</databaseChangeLog>

Output:

jordan$ mvn liquibase:update
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building LiquibaseBug 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] — liquibase-maven-plugin:3.2.0:update (default-cli) @ LiquibaseBug —
[INFO] ------------------------------------------------------------------------
[INFO] Executing on Database: jdbc:hsqldb:file:~/test
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.796 s
[INFO] Finished at: 2015-01-16T20:26:00-05:00
[INFO] Final Memory: 9M/81M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.liquibase:liquibase-maven-plugin:3.2.0:update (default-cli) on project LiquibaseBug: Error setting up or running Liquibase: liquibase.exception.UnexpectedLiquibaseException: liquibase.snapshot.InvalidExampleException: Found multiple catalog/schemas matching null.PUBLIC -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
jordans-mbp-2:LiquibaseBug jordan$ mvn --version
Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4; 2014-08-11T16:58:10-04:00)
Maven home: /usr/local/Cellar/maven/3.2.3/libexec
Java version: 1.6.0_65, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.9.5", arch: "x86_64", family: "mac"