this is the log file from lightstreamer restart until the error showed

Code:
23-أغس-14 15:12:05,909|INFO |LightstreamerLogger.init         |main                       |Lightstreamer Server 5.1.2 build 1623.14
23-أغس-14 15:12:05,953|WARN |LightstreamerLogger.init         |main                       |Lightstreamer is running with a Demo license, which has a limit of 20 concurrent users and can be used for evaluation, development, and testing, but not for production. If you need to evaluate Lightstreamer without this user limit, or need any information on the other license types, please contact info@lightstreamer.com
23-أغس-14 15:12:05,962|INFO |LightstreamerLogger.init         |main                       |Lightstreamer Server starting in Vivace edition.
23-أغس-14 15:12:05,963|INFO |LightstreamerLogger.external     |Thread-1                   |Instance ID: sCOQtNKbG0qatdZ690M7
23-أغس-14 15:12:06,089|INFO |LightstreamerLogger.init         |main                       |Started RMI server for JMX on port 8888.
23-أغس-14 15:12:06,147|INFO |LightstreamerLogger.init         |main                       |Bound RMI Connector for JMX on port 8888 (communication on port 8888).
23-أغس-14 15:12:06,185|INFO |LightstreamerLogger.init         |main                       |Bound RMI Connector for Platform mbeans on port 8888 (communication on port 8888).
23-أغس-14 15:12:06,190|INFO |LightstreamerLogger.init         |main                       |SERVER pool size set by default at 10.
23-أغس-14 15:12:06,284|INFO |LightstreamerLogger.init         |main                       |data_provider element without name attribute; using DEFAULT as the default name.
23-أغس-14 15:12:06,286|INFO |LightstreamerLogger.init         |Init for DEMO              |Loading Metadata Adapter DEMO
23-أغس-14 15:12:06,288|INFO |LightstreamerLogger.init         |or PROXY_HELLOWORLD.DEFAULT|Loading Data Adapter PROXY_HELLOWORLD.DEFAULT
23-أغس-14 15:12:06,288|INFO |LightstreamerLogger.init         |Init for PROXY_HELLOWORLD  |Loading Metadata Adapter PROXY_HELLOWORLD
23-أغس-14 15:12:06,287|INFO |LightstreamerLogger.init         |Init for DEMO.MONITOR      |Loading Data Adapter DEMO.MONITOR
23-أغس-14 15:12:06,294|INFO |LightstreamerLogger.init         |Init for DEMO.CHAT_ROOM    |Loading Data Adapter DEMO.CHAT_ROOM
23-أغس-14 15:12:06,296|INFO |LightstreamerLogger.init         |Init for DEMO.QUOTE_ADAPTER|Loading Data Adapter DEMO.QUOTE_ADAPTER
23-أغس-14 15:12:06,287|INFO |LightstreamerLogger.init         | for DEMO.PORTFOLIO_ADAPTER|Loading Data Adapter DEMO.PORTFOLIO_ADAPTER
23-أغس-14 15:12:06,286|INFO |LightstreamerLogger.init         |t for DEMO.SIMPLE_MESSENGER|Loading Data Adapter DEMO.SIMPLE_MESSENGER
23-أغس-14 15:12:06,295|INFO |LightstreamerLogger.init         |Init for PROXY_HELLOWORLD  |Finished loading Metadata Adapter PROXY_HELLOWORLD
23-أغس-14 15:12:06,294|INFO |LightstreamerLogger.init         |Init for DEMO.MONITOR      |Finished loading Data Adapter DEMO.MONITOR
23-أغس-14 15:12:06,313|INFO |.remote.transport.SocketTransport|or PROXY_HELLOWORLD.DEFAULT|Connecting...
23-أغس-14 15:12:06,315|INFO |.remote.transport.SocketTransport|Notify Socket Connector    |Waiting for a connection on port 6662...
23-أغس-14 15:12:06,316|INFO |.remote.transport.SocketTransport|uest/Reply Socket Connector|Waiting for a connection on port 6661...
23-أغس-14 15:12:06,355|INFO |LightstreamerLogger.init         |t for DEMO.SIMPLE_MESSENGER|Finished loading Data Adapter DEMO.SIMPLE_MESSENGER
23-أغس-14 15:12:06,373|INFO |LightstreamerLogger.init         |Init for DEMO.QUOTE_ADAPTER|Finished loading Data Adapter DEMO.QUOTE_ADAPTER
23-أغس-14 15:12:06,380|INFO |LightstreamerLogger.init         |Init for DEMO.CHAT_ROOM    |Finished loading Data Adapter DEMO.CHAT_ROOM
23-أغس-14 15:12:06,380|INFO |LightstreamerLogger.init         |Init for DEMO              |Finished loading Metadata Adapter DEMO
23-أغس-14 15:12:06,386|INFO |LightstreamerLogger.init         | for DEMO.PORTFOLIO_ADAPTER|Finished loading Data Adapter DEMO.PORTFOLIO_ADAPTER
23-أغس-14 15:12:08,013|INFO |LightstreamerMonitorText         |Timer-0                    |Total threads = 31, Total heap = 64487424 (free = 49320152), Sessions = 0 (max = 0), New sessions = [+0, -0], Connections = 0 (max = 0), New connections = [+0, -0], In-pool threads = 10, Active threads = 0, Available threads = 10, Queued tasks = 0, Pool queue wait = 0, NIO write queue = 0, NIO write queue wait = 0, NIO write selectors = 0, NIO total selectors = 0, Subscribed items = 0, Inbound throughput = 0 updates/s (pre-filtered = 0), Outbound throughput = 0 updates/s (0 kbit/s, max = 0), Lost updates = 0 (total = 0), Total bytes sent = 0, Client messages throughput = 0 msgs/s (0 kbit/s, max = 0), Total messages handled = 0, Extra sleep = 0, Notify delay = 0
23-أغس-14 15:12:11,654|INFO |.remote.transport.SocketTransport|uest/Reply Socket Connector|Connected on port 6661
23-أغس-14 15:12:11,656|INFO |.remote.transport.SocketTransport|Notify Socket Connector    |Connected on port 6662
23-أغس-14 15:12:11,657|INFO |.remote.transport.SocketTransport|or PROXY_HELLOWORLD.DEFAULT|Connected
23-أغس-14 15:12:11,658|INFO |LightstreamerLogger.init         |or PROXY_HELLOWORLD.DEFAULT|Finished loading Data Adapter PROXY_HELLOWORLD.DEFAULT

23-أغس-14 15:12:11,832|INFO |mote.request_reply.NotifyReceiver|#1 Notify Receiver         |Notify receiver '#1' starting...
23-أغس-14 15:12:11,836|INFO |emote.request_reply.RequestSender|#1 Request Sender          |Request sender '#1' starting...
23-أغس-14 15:12:11,837|INFO |mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Reply receiver '#1' starting...
23-أغس-14 15:12:11,840|INFO |LightstreamerLogger.init         |main                       |Events pool size set by default at 4.
23-أغس-14 15:12:11,847|INFO |LightstreamerLogger.init         |main                       |Pump pool size set by default at 4.
23-أغس-14 15:12:11,857|INFO |LightstreamerLogger.init         |main                       |Lightstreamer on Java Virtual Machine: Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM, 25.20-b23, 1.8.0_20-b26 on Windows 7
23-أغس-14 15:12:11,857|INFO |LightstreamerLogger.init         |main                       |Lightstreamer Server 5.1.2 build 1623.14 starting...
23-أغس-14 15:12:11,868|INFO |LightstreamerLogger.init         |main                       |Server "Lightstreamer HTTP Server" listening to *:8080 ...
23-أغس-14 15:12:12,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:13,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:14,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:15,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:16,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:17,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:17,931|INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 10    |Serving request: /lightstreamer/create_session.txt --> LS_adapter_set=PROXY_HELLOWORLD&LS_content_length=50000000&LS_report_info=true on "Lightstreamer HTTP Server" from 0:0:0:0:0:0:0:1:2946
23-أغس-14 15:12:17,965|INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 8     |Starting new session: S9e9350aa22010fddT1217957 on "Lightstreamer HTTP Server" from 0:0:0:0:0:0:0:1:2946
23-أغس-14 15:12:18,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:19,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:20,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:21,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:22,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:22,993|INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 8     |Serving request: /lightstreamer/send_message.txt --> LS_session=S9e9350aa22010fddT1217957&LS_message=fghgfh on "Lightstreamer HTTP Server" from 0:0:0:0:0:0:0:1:2947
23-أغس-14 15:12:22,997|INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 8     |Sending message to session: S9e9350aa22010fddT1217957 on "Lightstreamer HTTP Server" from 0:0:0:0:0:0:0:1:2947
23-أغس-14 15:12:23,000|INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 8     |Refused request: Session error: Unsupported function on "Lightstreamer HTTP Server" from 0:0:0:0:0:0:0:1:2947
23-أغس-14 15:12:23,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:24,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:25,559|INFO |LightstreamerLogger.requests     |FOR PUMPS PARKING DESTROYER|Closed session S9e9350aa22010fddT1217957 with internal cause code: 38 (Interrupted).
23-أغس-14 15:12:25,681|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
23-أغس-14 15:12:26,682|DEBUG|mote.request_reply.NotifyReceiver|#1 Reply Receiver          |Received reply: 'KEEPALIVE'...
..... remain of the post ===> see the following post