Unit test failure for DBCPServiceTest

When I attempt to build the DBCPService module, I see a failure with the following output:

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T E S T S
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Running org.apache.nifi.dbcp.DBCPServiceTest
Tests run: 11, Failures: 0, Errors: 2, Skipped: 4, Time elapsed: 1.492 sec <<< FAILURE! - in org.apache.nifi.dbcp.DBCPServiceTest
testDropInvalidConnectionsH2_Default(org.apache.nifi.dbcp.DBCPServiceTest) Time elapsed: 0.141 sec <<< ERROR!
org.apache.nifi.processor.exception.ProcessException: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Connection is broken: "java.io.EOFException: localhost" [90067-192])
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.h2.value.Transfer.readInt(Transfer.java:153)
at org.h2.engine.SessionRemote.done(SessionRemote.java:617)
at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:133)
at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:448)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:329)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:118)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:102)
at org.h2.Driver.connect(Driver.java:72)
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556)
at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.apache.nifi.dbcp.DBCPConnectionPool.getConnection(DBCPConnectionPool.java:249)
at org.apache.nifi.dbcp.DBCPServiceTest.testDropInvalidConnectionsH2_Default(DBCPServiceTest.java:200)

testDropInvalidConnectionsH2_Better(org.apache.nifi.dbcp.DBCPServiceTest) Time elapsed: 0.008 sec <<< ERROR!
org.apache.nifi.processor.exception.ProcessException: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Connection is broken: "java.io.EOFException: localhost" [90067-192])
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.h2.value.Transfer.readInt(Transfer.java:153)
at org.h2.engine.SessionRemote.done(SessionRemote.java:617)
at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:133)
at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:448)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:329)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:118)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:102)
at org.h2.Driver.connect(Driver.java:72)
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556)
at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.apache.nifi.dbcp.DBCPConnectionPool.getConnection(DBCPConnectionPool.java:249)
at org.apache.nifi.dbcp.DBCPServiceTest.testDropInvalidConnectionsH2_Better(DBCPServiceTest.java:252)

Results :

Tests in error:
DBCPServiceTest.testDropInvalidConnectionsH2_Better:252 » Process org.apache.c...
DBCPServiceTest.testDropInvalidConnectionsH2_Default:200 » Process org.apache....

Tests run: 11, Failures: 0, Errors: 2, Skipped: 4

I've tried running "mvn clean install" several times, always with these failures. Sometimes I see only 1 of them, sometimes both of them.