ActiveMQClient.java
public static final long DEFAULT_CLIENT_FAILURE_CHECK_PERIOD_INVM = -1;
public static final long DEFAULT_CONNECTION_TTL_INVM = -1;
public static final int DEFAULT_CONSUMER_MAX_RATE = -1;
public static final int DEFAULT_CONFIRMATION_WINDOW_SIZE = -1;
public static final int DEFAULT_PRODUCER_MAX_RATE = -1;
public static final int DEFAULT_THREAD_POOL_MAX_SIZE = -1;


ActiveMQDefaultConfiguration.java
private static long DEFAULT_CONNECTION_TTL_OVERRIDE = -1;
private static int DEFAULT_JOURNAL_POOL_FILES = -1;
private static long DEFAULT_CONNECTION_TTL_OVERRIDE = -1;
private static int DEFAULT_JOURNAL_PERF_BLAST_PAGES = -1;
private static long DEFAULT_SERVER_DUMP_INTERVAL = -1;
private static long DEFAULT_MEMORY_MEASURE_INTERVAL = -1;
private static int DEFAULT_BRIDGE_INITIAL_CONNECT_ATTEMPTS = -1;
private static int DEFAULT_BRIDGE_RECONNECT_ATTEMPTS = -1;
private static int DEFAULT_BRIDGE_PRODUCER_WINDOW_SIZE = -1;
private static int DEFAULT_CLUSTER_INITIAL_CONNECT_ATTEMPTS = -1;
private static int DEFAULT_CLUSTER_RECONNECT_ATTEMPTS = -1;
private static int DEFAULT_HAPOLICY_BACKUP_REQUEST_RETRIES = -1;
private static int DEFAULT_GROUPING_HANDLER_GROUP_TIMEOUT = -1;