<p class="MsoNormal"><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:Arial,sans-serif">of course,
the answers are:</span></p><p class="MsoNormal"><br></p><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
(1) Is the originally posted stack trace complete? What you have<br>
posted doesn't make sense.<br></blockquote><p class="MsoNormal"><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:Arial,sans-serif">it</span><span class="apple-converted-space"><span lang="EN-US" style="font-family:Arial,sans-serif"> </span></span><span lang="EN-US" style="font-family:Arial,sans-serif">is
the stack trace complete of this exception. Now I added some other log lines.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Arial,sans-serif">If
you mean other thing, please let me know.</span><span lang="EN-US" style="font-size:12.0pt;line-height:115%;font-family:"Cambria","serif""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">DEBUG [2012-07-23 16:27:51,374] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">StorageManager.java:778</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) - Asking a con. to DB:
jdbc:postgresql://tass-server/gsn_geo_dev_c => busy: 1, max-size: 8, idle: 2</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,375] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">StorageManager.java:457</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) -
Executing query: select * from __435941104 ( Binary Field Linked:false)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,375] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">StorageManager.java:778</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) - Asking a
con. to DB: jdbc:postgresql://tass-server/gsn_geo_dev_c => busy: 2,
max-size: 8, idle: 1</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,382] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">ObservationFactory.java:226</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) -
org.dfms.model.observation.ACObservation/1343053671381/920/sim_bidv:1343053671381</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] ERROR [2012-07-23
16:27:51,385] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">ExpertSystemManager.java:162</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) - </span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java.lang.NullPointerException</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] </span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java.lang.NullPointerException</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.reteoo.ReteooFactHandleFactory.newFactHandle(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">ReteooFactHandleFactory.java:56</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.AbstractFactHandleFactory.newFactHandle(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">AbstractFactHandleFactory.java:80</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.AbstractFactHandleFactory.newFactHandle(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">AbstractFactHandleFactory.java:65</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.NamedEntryPoint.createHandle(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">NamedEntryPoint.java:720</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.NamedEntryPoint.insert(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">NamedEntryPoint.java:280</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.NamedEntryPoint.insert(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">NamedEntryPoint.java:116</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.drools.common.NamedEntryPoint.insert(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">NamedEntryPoint.java:48</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.tass.utils.ExpertSystemManager.insertObservation(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">ExpertSystemManager.java:156</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at org.tass.vsensor.ExpertVS.dataAvailable(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">ExpertVS.java:59</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.beans.InputStream.executeQuery(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">InputStream.java:277</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.beans.StreamSource.windowSlided(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">StreamSource.java:325</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.beans.windowing.SQLViewQueryRewriter.dataAvailable(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">SQLViewQueryRewriter.java:83</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.beans.windowing.TupleBasedSlidingHandler.dataAvailable(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">TupleBasedSlidingHandler.java:56</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.wrappers.AbstractWrapper.postStreamElement(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">AbstractWrapper.java:222</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.http.rest.LocalDeliveryWrapper.writeStreamElement(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">LocalDeliveryWrapper.java:147</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at
gsn.http.rest.DefaultDistributionRequest.deliverStreamElement(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">DefaultDistributionRequest.java:57</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.DataDistributer.flushStreamElement(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">DataDistributer.java:165</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at gsn.DataDistributer.run(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">DataDistributer.java:220</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] at java.lang.Thread.run(</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">Thread.java:662</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,387] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">VirtualSensor.java:112</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) -
Enforcing the limit size on the VS table by : delete from sim_tassllfvs where
sim_tassllfvs.timed <= ( SELECT * FROM ( SELECT timed FROM sim_tassllfvs
group by sim_tassllfvs.timed ORDER BY sim_tassllfvs.timed DESC LIMIT 1 offset
5000 ) AS TMP)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,387] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">StorageManager.java:778</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) - Asking a
con. to DB: jdbc:postgresql://tass-server/gsn_geo_dev_c => busy: 1,
max-size: 8, idle: 2</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">] DEBUG [2012-07-23
16:27:51,389] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:navy">VirtualSensor.java:119</span></u><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:blue">) - 0 old
rows dropped from sim_tassllfvs</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""></span></p>
<div><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:'Courier New';color:blue"> [</span><u><span lang="EN-US" style="font-size:10.0pt;line-height:115%;font-family:"Courier New";color:navy">java</span></u><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:'Courier New';color:blue">]
DEBUG [2012-07-23 16:27:51,391] [Thread-19] (</span><u><span lang="EN-US" style="font-size:10.0pt;line-height:115%;font-family:"Courier New";color:navy">InputStream.java:292</span></u><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:'Courier New';color:blue">) - Input
Stream's result has *1* stream elements</span></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">> In particular the exception (I mentioned above) happens before calling the<br>
> method "SituationManager.createAccessControlEvent":<br>
><br>
<br>
</div>This isn't possible. The call must have completed, and we're already<br>
in insert().<br>
<div class="HOEnZb"><div class="h5"><br></div></div></blockquote><p class="MsoNormal"><span lang="EN-US" style="font-size:10pt;line-height:115%;font-family:Arial,sans-serif">We are
using drools Fusion and then we are inserting some events( ACObservation )</span></p>
<div><span style="font-family:Arial,sans-serif;font-size:10pt;line-height:115%">through
entry point. Is it possible that the error is related to this insert operation?</span></div><div><br></div><div><span style="font-family:Cambria,serif;font-size:12pt;line-height:115%">Thank you and
kindly regards!</span></div><div>Carolina </div></div>