Hi,

In my LS logfile I occasionally see the following (once\twice a day with >200 users/day):

Code:
20-Sep-10 01:00:10,103 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 10    |Serving request: /lightstreamer/control.js --> LS_session=Sf377070752c55f76T0009244&LS_table=3&LS_win_phase=52&LS_op=add&LS_req_phase=757&LS_mode=MERGE&LS_id=X1%20X2%20X3%20X4%20X5&LS_schema=price%20quantity&LS_data_adapter=PRICES_ADAPTER&LS_snapshot=true&LS_unique=3& from XXX.XXX.XXX.XXX:14287
20-Sep-10 01:00:10,103 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 4     |Controlling session: Sf377070752c55f76T0009244 from XXX.XXX.XXX.XXX:14287
20-Sep-10 01:00:10,478 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 1     |Serving request: /lightstreamer/control.js --> LS_session=Sf377070752c55f76T0009244&LS_table=4&LS_win_phase=52&LS_op=add&LS_req_phase=758&LS_mode=MERGE&LS_id=Control&LS_schema=item%20message&LS_data_adapter=PRICES_ADAPTER&LS_unique=4& from XXX.XXX.XXX.XXX:14287
20-Sep-10 01:00:10,478 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 2     |Controlling session: Sf377070752c55f76T0009244 from XXX.XXX.XXX.XXX:14287
20-Sep-10 01:00:10,588 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 8     |Serving request: /lightstreamer/control.js --> LS_session=S1c0c5f2d12b913daT0007822&LS_table=3&LS_win_phase=25&LS_op=add&LS_req_phase=580&LS_mode=MERGE&LS_id=&LS_schema=price%20quantity&LS_data_adapter=PRICES_ADAPTER&LS_snapshot=true&LS_unique=3& from XXX.XXX.XXX.XXX:14271
20-Sep-10 01:00:10,588 |INFO |LightstreamerLogger.requests     |SERVER POOLED THREAD 7     |Controlling session: S1c0c5f2d12b913daT0007822 from XXX.XXX.XXX.XXX:14271
You'll notice in the third 'serving request', the LS_id is blank. This causes the following error to be thrown in the MetadataAdapter:

Code:
Null or empty item list from getItems for group ''
Is this a client code (Javascript) issue or a bug in LS?

Cheers,
Colm