Error in Time Based Sliding Handler about gsn

[sarni]

Error.log

  DEBUG [2010-02-23 14:02:10,871] [VSensorLoader-Thread0] (TupleBasedSlidingHandler.java:331)     - The original Query : select 
                                          max(timed) as timed,
                                          sum(bt_deg_hr) /24 as bt_deg_day, 
                                          sum(am_deg_hr) /24 as am_deg_day,  
                                          sum(bm_deg_hr) /24 as bm_deg_day,  
                                          sum(ab_deg_hr) /24 as ab_deg_day,  
                                          sum(at_deg_hr) /24 as at_deg_day,  
                                          sum(bb_deg_hr) /24 as bb_deg_day 
                                          from wrapper

  DEBUG [2010-02-23 14:02:10,871] [VSensorLoader-Thread0] (TupleBasedSlidingHandler.java:332)     - The merged query : select 
                                          max(timed) as timed,
                                          sum(bt_deg_hr) /24 as bt_deg_day, 
                                          sum(am_deg_hr) /24 as am_deg_day,  
                                          sum(bm_deg_hr) /24 as bm_deg_day,  
                                          sum(ab_deg_hr) /24 as ab_deg_day,  
                                          sum(at_deg_hr) /24 as at_deg_day,  
                                          sum(bb_deg_hr) /24 as bb_deg_day 
                                          from wrapper
                                   where timed in (select timed from __562920518 where timed <= (select timed from _sql_view_helper_ where u_id='_303704454') and timed >= (select timed from _sql_view_helper_ where u_id='_303704454') - 86400000 )  order by timed desc  of the StreamSource s1 of the InputStream: input1
  DEBUG [2010-02-23 14:02:10,871] [VSensorLoader-Thread0] (StorageManager.java:1251)     - Asking for connections to default DB=> busy: 3, max-size:8, idle:3
  DEBUG [2010-02-23 14:02:10,871] [VSensorLoader-Thread0] (StorageManager.java:457)     - Creating a view:create view _303704454 AS ( select 
                                          max(timed) as timed,
                                          sum(bt_deg_hr) /24 as bt_deg_day, 
                                          sum(am_deg_hr) /24 as am_deg_day,  
                                          sum(bm_deg_hr) /24 as bm_deg_day,  
                                          sum(ab_deg_hr) /24 as ab_deg_day,  
                                          sum(at_deg_hr) /24 as at_deg_day,  
                                          sum(bb_deg_hr) /24 as bb_deg_day 
                                          from wrapper
                                   where timed in (select timed from __562920518 where timed <= (select timed from _sql_view_helper_ where u_id='_303704454') and timed >= (select timed from _sql_view_helper_ where u_id='_303704454') - 86400000 )  order by timed desc  ) 
  ERROR [2010-02-23 14:02:10,886] [VSensorLoader-Thread0] (SQLViewQueryRewriter.java:45)     - Table 'gsn.wrapper' doesn't exist
  com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'gsn.wrapper' doesn't exist
          at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
          at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
          at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
          at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
          at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
          at com.mysql.jdbc.Util.getInstance(Util.java:381)
          at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
          at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
          at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3558)
          at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3490)
          at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959)
          at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2109)
          at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2643)
          at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2077)
          at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1356)
          at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:169)
          at gsn.storage.StorageManager.executeCreateView(StorageManager.java:459)
          at gsn.storage.StorageManager.executeCreateView(StorageManager.java:448)
          at gsn.beans.windowing.SQLViewQueryRewriter.initialize(SQLViewQueryRewriter.java:43)
          at gsn.beans.windowing.TupleBasedSlidingHandler.addStreamSource(TupleBasedSlidingHandler.java:49)
          at gsn.wrappers.AbstractWrapper.addListener(AbstractWrapper.java:75)
          at gsn.beans.StreamSource.setWrapper(StreamSource.java:169)
          at gsn.VSensorLoader.prepareStreamSource(VSensorLoader.java:375)
          at gsn.VSensorLoader.prepareStreamSource(VSensorLoader.java:357)
          at gsn.VSensorLoader.createInputStreams(VSensorLoader.java:310)
          at gsn.VSensorLoader.loadPlugin(VSensorLoader.java:125)
          at gsn.VSensorLoader.run(VSensorLoader.java:97)
          at java.lang.Thread.run(Thread.java:619)

[sarni]

deg_days.xml

            <?xml version="1.0" encoding="UTF-8"?>
    <virtual-sensor name="deg_days" protected="false" priority="11" publish-to-microsoft-research-sensor-map="false">
        <processing-class>
        <class-name>gsn.vsensor.ScheduledStreamExporterVirtualSensor</class-name>
                    <init-params>
                            <param name="rate">86400000</param>
                            <param name="%start-time">2009-12-09T00:00:0.000+11:00</param>
                            <param name="url">jdbc:mysql://localhost:3306/csaw</param>
                            <param name="user">root</param>
                            <param name="password">URthe1</param>
                            <param name="driver">com.mysql.jdbc.Driver</param>
                            <param name="table">csaw_deg_days</param>
            </init-params>
            <output-specification rate="1"/>
            <web-input/>
            <output-structure>
                <field name="at_deg_day" type="double"></field>
                <field name="am_deg_day" type="double"></field>
                <field name="ab_deg_day" type="double"></field>
                <field name="bt_deg_day" type="double"></field>
                <field name="bm_deg_day" type="double"></field>
                <field name="bb_deg_day" type="double"></field>
           </output-structure>
        </processing-class>
        <description>Data logging virtual sensor for CSAW flooring project with using 
                    the Scheduled Bridge processing class</description>
        <life-cycle pool-size="5"/>
        <addressing>
            <predicate key="geographical">127 Adelphi Rd.</predicate>
            <predicate key="LATITUDE">-41.600763</predicate>
            <predicate key="LONGITUDE">146.908344</predicate>
        </addressing>
        <storage history-size="30"/>
        <streams>
            <stream name="input1" rate="1000">
                <source alias="s1" storage-size="24h" slide="2" sampling-rate="1.0">
                    <address wrapper="local">
                                            <predicate key="query">select * from deg_hrs</predicate>
                    </address>
                    <query>select 
                                            max(timed) as timed,
                                            sum(bt_deg_hr) /24 as bt_deg_day, 
                                            sum(am_deg_hr) /24 as am_deg_day,  
                                            sum(bm_deg_hr) /24 as bm_deg_day,  
                                            sum(ab_deg_hr) /24 as ab_deg_day,  
                                            sum(at_deg_hr) /24 as at_deg_day,  
                                            sum(bb_deg_hr) /24 as bb_deg_day 
                                            from wrapper
                                    </query>
                </source>
                <query>select * from s1 </query>
            </stream>
        </streams>
    </virtual-sensor>

[ebiiii]

I wasn't able to reproduce the bug with the latest version of GSN. Most likely it got corrected at some point. I'll close the issue, but feel free to open it again if you find another case where it appears.