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a working memory should be single threaded, so not sure how this could
be a race condition?<br>
<br>
Mark<br>
s erel wrote:
<blockquote
 cite="mid:1a1500b50707020820w71c39a50v1224c4871b3537b5@mail.gmail.com"
 type="cite">
  <div>I've done a little debugging. The code fails in&nbsp;the following
segment:</div>
  <div>&nbsp;</div>
  <div>public static class HashTableIterator</div>
  <div>...</div>
  <div>&nbsp;while ( this.entry == null ) {<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.row++;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if ( this.row == this.length ) {<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return null;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.entry = this.table[this.row]; <strong>//
---&gt; index out of bounds exception</strong><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</div>
  <div>}<br>
&nbsp;</div>
  <div>this.row has the same value as this.length despite the condition
above it. Probably a race condition issue.</div>
  <div><br>
&nbsp;</div>
  <div><span class="gmail_quote">On 7/2/07, <b class="gmail_sendername">Mark
Proctor</b> &lt;<a moz-do-not-send="true"
 href="mailto:mproctor@codehaus.org">mproctor@codehaus.org</a>&gt;
wrote:</span>
  <blockquote class="gmail_quote"
 style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">
    <div text="#000000" bgcolor="#ffffff">Not really :(<br>
    <br>
In your situation I tend to keep removing rules and data while still
making sure the error happens, to get it down to a minimum. Please do
try, as this isn't an error that should happen. Or alterntaively you
can open drools-core and drools-compiler in eclipse and execuse and
debug this yourself - in your situation this might best. you can put in
a breakpoint to listen for that particular exception.
    <br>
    <span class="sg"><br>
Mark</span>
    <div><span class="e" id="q_113877c1506bdf73_2"><br>
s erel wrote:
    <blockquote type="cite">
      <div>It's hard for me to provide a self contained project. The
drl is&nbsp;long and&nbsp;uses several business objects. It's the same drl as
we've been using for 306 minus the keyword changes. </div>
      <div>Is there anything else i can check or provide you in order
to solve this matter.</div>
      <div>&nbsp;</div>
      <div>Thanks<br>
&nbsp;</div>
      <div><span class="gmail_quote">On 7/1/07, <b
 class="gmail_sendername">Mark Proctor</b> &lt;<a moz-do-not-send="true"
 onclick="return top.js.OpenExtLink(window,event,this)"
 href="mailto:mproctor@codehaus.org" target="_blank">mproctor@codehaus.org
      </a>&gt; wrote:</span>
      <blockquote class="gmail_quote"
 style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">
        <div text="#000000" bgcolor="#ffffff">Can you provide us a self
contained project which creates this error? Unless we can recreate it,
it will be very hard to track it down. Please attach the project to a
jira and we'll make it a priority. <br>
        <br>
Mark<br>
s erel wrote:
        <blockquote type="cite">
          <div><span>
          <div>Hello,</div>
          <div>&nbsp;</div>
          <div>I've just started integrating&nbsp;MR3&nbsp;into my project (I've
previously used&nbsp;3.06).&nbsp;The drl&nbsp;compiles and everything seems fine, but
during </div>
          <div>tests the following exception is thrown for time to time:</div>
          <div>&nbsp;</div>
          <div>java.lang.ArrayIndexOutOfBoundsException: 17<br>
&nbsp;at
org.drools.util.AbstractHashTable$HashTableIterator.next(AbstractHashTable.java:250)<br>
&nbsp;at org.drools.reteoo.Rete$ObjectTypeConf.buildCache(Rete.java:434)<br>
&nbsp;at
org.drools.reteoo.Rete$ObjectTypeConf.getObjectTypeNodes(Rete.java:425)<br>
&nbsp;at org.drools.reteoo.Rete.assertObject(Rete.java:172)<br>
&nbsp;at
org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190)<br>
&nbsp;at
org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute
(ReteooWorkingMemory.java:163)<br>
&nbsp;at
org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1135)<br>
&nbsp;at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:781)<br>
&nbsp;at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:584)<br>
&nbsp;at
org.drools.jsr94.rules.StatefulRuleSessionImpl.addObject(StatefulRuleSessionImpl.java:162)</div>
          <div>&nbsp;</div>
          <div>This only happens during high load tests.</div>
          <div>Can anyone help me?</div>
          <div>&nbsp;</div>
          <div>Thanks</div>
          <div>&nbsp;</div>
          </span></div>
          <pre><hr size="4" width="90%">
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&nbsp;</div>
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