JDBC_PING doesn't work on mssql

with below property file to initialize jchannel <config xmlns="urn:org:jgroups" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:org:jgroups http://www.jgroups.org/schema/JGroups-2.12.xsd "> <TCP bind_port="8800" discard_incompatible_packets="true" enable_bundling="true" log_discard_msgs="false" loopback="true" max_bundle_size="64K" max_bundle_timeout="30" oob_thread_pool.enabled="true" oob_thread_pool.keep_alive_time="5000" oob_thread_pool.max_threads="8" oob_thread_pool.min_threads="1" oob_thread_pool.queue_enabled="false" oob_thread_pool.queue_max_size="100" oob_thread_pool.rejection_policy="discard" recv_buf_size="${tcp.recv_buf_size:20M}" send_buf_size="${tcp.send_buf_size:640K}" sock_conn_timeout="300" thread_pool.enabled="true" thread_pool.keep_alive_time="5000" thread_pool.max_threads="10" thread_pool.min_threads="1" thread_pool.queue_enabled="false" thread_pool.queue_max_size="100" thread_pool.rejection_policy="discard" timer.keep_alive_time="3000" timer.max_threads="10" timer.min_threads="4" timer.queue_max_size="500" timer_type="new" use_send_queues="true" /> <JDBC_PING break_on_coord_rsp="true" connection_driver="com.microsoft.sqlserver.jdbc.SQLServerDriver" connection_password="vitria" connection_url="jdbc:sqlserver://10.111.3.75:1526;databaseName=wyang;" connection_username="sa" ergonomics="false" max_rank="0" timeout="20000" /> <MERGE2 max_interval="30000" min_interval="10000" /> <FD_SOCK /> <FD max_tries="5" shun="true" timeout="10000" /> <FD_ALL /> <VERIFY_SUSPECT timeout="15000" /> <BARRIER /> <pbcast.NAKACK discard_delivered_msgs="true" exponential_backoff="500" use_mcast_xmit="false" use_stats_for_retransmission="false" /> <UNICAST timeout="300,600,1200" /> <VIEW_SYNC avg_send_interval="60000" /> <pbcast.STABLE desired_avg_gossip="50000" max_bytes="4M" stability_delay="1000" /> <pbcast.GMS join_timeout="30000" print_local_addr="true" view_bundling="true" /> <UFC max_credits="2M" min_threshold="0.4" /> <MFC max_credits="2M" min_threshold="0.4" /> <FRAG2 frag_size="60K" /> <!--pbcast.STREAMING_STATE_TRANSFER / --> <pbcast.STATE_TRANSFER /> <!-- pbcast.FLUSH / --> </config>