Congratulations Abhay!<br><br>When does your application crash? e.g. building package, inserting facts, firing all rules?<br><br><br>I&#39;m not sure how much help I can be, but your advice might help others.<br><br>Unfortunately I&#39;m not able to analyse the Android log :(<br>

<br>Cheers,<br><br>Mike<br><br>2011/6/16 Abhay B. Chaware <span dir="ltr">&lt;<a href="mailto:Abhay.Chaware@kpitcummins.com">Abhay.Chaware@kpitcummins.com</a>&gt;</span><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">

















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<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">I am have now managed to get past all the compiler errors for Drools on
android .. ( I think ) </span></font><font face="Wingdings"><span style="font-family: Wingdings;">J</span></font> .</p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">My app is failing ( crashing ) when run on android device. Looking at
the log, appears to be a heap memory problem, can anyone see anything suspicious
here in the android log, that may point to the drools code as suspect ?</span></font></p>

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<p class="MsoNormal"><span><font color="black" face="Verdana" size="2"><span style="font-size: 10pt; font-family: Verdana; color: black;">I/DEBUG
( 1280): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***</span></font></span><font color="black" face="Verdana" size="2"><span style="font-size: 10pt; font-family: Verdana; color: black;"><br style="">
<span>I/DEBUG ( 1280): Build fingerprint:
&#39;samsung/GT-I9003/GT-I9003/GT-I9003:2.2.1/FROYO/XXKB3:user/release-keys&#39;</span><br style="">
<span>I/DEBUG ( 1280): pid: 11341, tid: 11341
&gt;&gt;&gt; com.first &lt;&lt;&lt;</span><br style="">
<span>I/DEBUG ( 1280): signal 11 (SIGSEGV), fault addr
0000004c</span><br style="">
<span>I/DEBUG ( 1280): r0 00000000 r1 4831de40 r2
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<span>I/DEBUG ( 1280): ip 00000000 sp bea153a8 lr
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<span>I/DEBUG ( 1280): scr 80000012</span><br style="">
<span>I/DEBUG ( 1280):</span><br style="">
<span>I/DEBUG ( 1280): #00 pc 0006809c
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<span>I/DEBUG ( 1280): #01 pc 000681f2
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<span>I/DEBUG ( 1280): #02 pc 00068238
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<span>I/DEBUG ( 1280): #03 pc 000690a6
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<span>I/DEBUG ( 1280): #04 pc 00061a0c
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<span>I/DEBUG ( 1280): #05 pc 00063f1a
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<span>I/DEBUG ( 1280): #06 pc 0001bdd8
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<span>I/DEBUG ( 1280): #07 pc 000227d4
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<span>I/DEBUG ( 1280): #08 pc 00021674 /system/lib/libdvm.so</span><br style="">
<span>I/DEBUG ( 1280): #09 pc 0005c7d6
/system/lib/libdvm.so</span><br style="">
<span>I/DEBUG ( 1280): #10 pc 00064ef8
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<span>I/DEBUG ( 1280): #11 pc 0001bdd8
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<span>I/DEBUG ( 1280): #12 pc 000227d4
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<span>I/DEBUG ( 1280): #13 pc 00021674
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<span>I/DEBUG ( 1280): #14 pc 0005c614
/system/lib/libdvm.so</span><br style="">
<span>I/DEBUG ( 1280): #15 pc 00047cd6
/system/lib/libdvm.so</span><br style="">
<span>I/DEBUG ( 1280): #16 pc 000364b4
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<span>I/DEBUG ( 1280): #18 pc 00008ca8
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<span>I/DEBUG ( 1280): #19 pc 0000d404
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<span>I/DEBUG ( 1280):</span><br style="">
<span>I/DEBUG ( 1280): code around pc:</span><br style="">
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<span>I/DEBUG ( 1280): 8096808c 0003a3c8 000003a0
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<span>I/DEBUG ( 1280): 809680ac e078f8df 400ef855
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<span>I/DEBUG ( 1280):</span><br style="">
<span>I/DEBUG ( 1280): code around lr:</span><br style="">
<span>I/DEBUG ( 1280): 809681d4 461a9905 633e1820
fb12f7d9 46089902</span><br style="">
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<span>I/DEBUG ( 1280): 80968214 ffff026e ffff1926
fffe2288 ffff194c</span><br style="">
<span>I/DEBUG ( 1280):</span><br style="">
<span>I/DEBUG ( 1280): stack:</span><br style="">
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<span>I/DEBUG ( 1280): bea1536c 0000cd28 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea15370 bea153c4 [stack]</span><br style="">
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<span>I/DEBUG ( 1280): bea15378 8099266e
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<span>I/DEBUG ( 1280): bea15398 00240d00 [heap]</span><br style="">
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<span>I/DEBUG ( 1280): #00 bea153a8 809a2400
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<span>I/DEBUG ( 1280): bea153ac 00240d00 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea153b0 00000000</span><br style="">
<span>I/DEBUG ( 1280): bea153b4 0000cd28 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea153b8 80917040
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<span>I/DEBUG ( 1280): bea153bc 809681f7
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<span>I/DEBUG ( 1280): #01 bea153c0 4867acc0
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<span>I/DEBUG ( 1280): bea153c4 400092d0
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<span>I/DEBUG ( 1280): bea153c8 00000000</span><br style="">
<span>I/DEBUG ( 1280): bea153cc 4867acc0
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<span>I/DEBUG ( 1280): bea153d0 4831de40
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<span>I/DEBUG ( 1280): bea153d4 00240ce8 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea153d8 00000000</span><br style="">
<span>I/DEBUG ( 1280): bea153dc ade46221
/system/lib/libicuuc.so</span><br style="">
<span>I/DEBUG ( 1280): bea153e0 00000001</span><br style="">
<span>I/DEBUG ( 1280): bea153e4 00240ce8 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea153e8 4831de40
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<span>I/DEBUG ( 1280): bea153ec 809a2400
/system/lib/libdvm.so</span><br style="">
<span>I/DEBUG ( 1280): bea153f0 00240cd0 [heap]</span><br style="">
<span>I/DEBUG ( 1280): bea153f4 8096823d
/system/lib/libdvm.so</span></span></font></p>

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<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">-abhay</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

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<p class="MsoNormal"><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"> Abhay B. Chaware
<br>
<b><span style="font-weight: bold;">Sent:</span></b> Monday, June 13, 2011 9:43
AM<br>
<b><span style="font-weight: bold;">To:</span></b> &#39;Rules
 Users List&#39;<br>
<b><span style="font-weight: bold;">Subject:</span></b> FW: [rules-users] Drools
in non-eclipse environment</span></font></p>

</div><div><div></div><div class="h5">

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<div>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Any ideas folks ?</span></font></p>

</div>

<div>

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</span></font></div>

<p class="MsoNormal"><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"> Abhay B. Chaware
<br>
<b><span style="font-weight: bold;">Sent:</span></b> Friday, June 10, 2011 12:54
PM<br>
<b><span style="font-weight: bold;">To:</span></b> &#39;Rules
 Users List&#39;<br>
<b><span style="font-weight: bold;">Subject:</span></b> RE: [rules-users] Drools
in non-eclipse environment</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">The ride’s real fun </span></font><font face="Wingdings"><span style="font-family: Wingdings;">J</span></font> </p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Got apache harmony’s beans.jar to work .. now , when I am reading
the serialized knowledgebase object on android, quite obvious, it is throwing
this error – </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">java.lang.UnsupportedOperationException: can&#39;t load this type of class
file</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">since my serialized knowledgebase object is in java format .. and not
dex. Can this serialized version be converted into .dex format using the
“dx” utility – pre or post serialization ? I tried the
“dx” tool on the serialized object, but it doesn’t seem to understand
the format.</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">-abhay</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

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<hr size="2" width="100%" align="center">

</span></font></div>

<p class="MsoNormal"><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">
<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>
[mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>] <b><span style="font-weight: bold;">On
Behalf Of </span></b>Michael Anstis<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, June 09, 2011 6:37
PM<br>
<b><span style="font-weight: bold;">To:</span></b> Rules
 Users List<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Drools
in non-eclipse environment</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><a href="http://meteatamel.wordpress.com/2010/08/25/android-api-and-java-beans-package/" target="_blank">http://meteatamel.wordpress.com/2010/08/25/android-api-and-java-beans-package/</a><br>

<br>
<a href="http://meteatamel.wordpress.com/2010/09/28/android-api-and-java-beans-package-2/" target="_blank">http://meteatamel.wordpress.com/2010/09/28/android-api-and-java-beans-package-2/</a><br>
<br>
Enjoy the ride ;)</span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">2011/6/9 Abhay B. Chaware &lt;<a href="mailto:Abhay.Chaware@kpitcummins.com" target="_blank">Abhay.Chaware@kpitcummins.com</a>&gt;</span></font></p>


<div link="blue" vlink="blue">

<div>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">woo hooo ! I got past that problem </span></font><font color="navy" face="Wingdings" size="2"><span style="font-size: 10pt; font-family: Wingdings; color: navy;">J</span></font><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">  But a new
one’s here now.</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Looks like MVEL is not liking something </span></font><font color="navy" face="Wingdings" size="2"><span style="font-size: 10pt; font-family: Wingdings; color: navy;">J</span></font><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">  </span></font></p>


<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">W/dalvikvm(29977): VFY: unable to resolve static method 164:
Ljava/beans/Introspector;.decapitalize (Ljava/lang/String;)Ljava/lang</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">/String;</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">W/dalvikvm(29977): threadid=1: thread exiting with uncaught
exception (group=0x40020ac0)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977): FATAL EXCEPTION: main</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977): java.lang.NoClassDefFoundError:
java.beans.Introspector</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.core.util.asm.ClassFieldInspector.calcFieldName(ClassFieldInspector.java:298)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
org.drools.core.util.asm.ClassFieldInspector.addToMapping(ClassFieldInspector.java:216)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.core.util.asm.ClassFieldInspector.processClassWithoutByteCode(ClassFieldInspector.ja</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">va:148)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
org.drools.core.util.asm.ClassFieldInspector.&lt;init&gt;(ClassFieldInspector.java:83)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.core.util.asm.ClassFieldInspector.&lt;init&gt;(ClassFieldInspector.java:64)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
org.drools.base.ClassFieldAccessorFactory.getClassFieldReader(ClassFieldAccessorFactory.java:11</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">8)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.base.ClassFieldAccessorCache$CacheEntry.getReadAccessor(ClassFieldAccessorCache.java</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">:168)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
org.drools.base.ClassFieldAccessorCache.getReadAcessor(ClassFieldAccessorCache.java:101)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:404)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):
       at
org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:374)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.common.AbstractRuleBase.readExternal(AbstractRuleBase.java:295)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.reteoo.ReteooRuleBase.readExternal(ReteooRuleBase.java:236)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at org.drools.impl.KnowledgeBaseImpl.readExternal(KnowledgeBaseImpl.java:108)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:2127)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:929)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):        at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:2285)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2240)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at com.ts.DBconnector.execPackageByPath(DBconnector.java:219)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at com.first.FirstActivity.onCreate(FirstActivity.java:77)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.ActivityThread.access$2300(ActivityThread.java:125)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.os.Handler.dispatchMessage(Handler.java:99)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.os.Looper.loop(Looper.java:123)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at android.app.ActivityThread.main(ActivityThread.java:4627)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at java.lang.reflect.Method.invokeNative(Native Method)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at java.lang.reflect.Method.invoke(Method.java:521)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)</span></font></p>

<div>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">E/AndroidRuntime(29977):       
at dalvik.system.NativeStart.main(Native Method)</span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

</div>

<div>

<div class="MsoNormal" style="text-align: center;" align="center"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">

<hr size="2" width="100%" align="center">

</span></font></div>

<p class="MsoNormal"><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"> <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a> [mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>]
<b><span style="font-weight: bold;">On Behalf Of </span></b>Michael Anstis<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, June 09, 2011 4:51
PM</span></font></p>

<div>

<div>

<p class="MsoNormal"><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"><br>
<b><span style="font-weight: bold;">To:</span></b> Rules
 Users List<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Drools
in non-eclipse environment</span></font></p>

</div>

</div>

</div>

<div>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Great news :)<br>
<br>
Please do feedback... if you get it working I&#39;ll make a blog entry on your
behalf as you are not the first (or last) to try Drools on Android.<br>
<br>
With kind regards,<br>
<br>
Mike</span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">2011/6/9 Abhay B.
Chaware &lt;<a href="mailto:Abhay.Chaware@kpitcummins.com" target="_blank">Abhay.Chaware@kpitcummins.com</a>&gt;</span></font></p>

<div link="blue" vlink="blue">

<div>

<div>

<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">That’s exactly what I am trying out at the moment .. option
– b.  Pre-compile, serialize and unserialize …I’ll share
the results.</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Also rule
file’s there at the location mentioned. So that’s not a problem.</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">I’ve gone
through the blog you mentioned … and as you indicated, it’s only
jbpm .. no rules …</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">thanks</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">abhay</span></font></p>

</div>

<div>

<div class="MsoNormal" style="text-align: center;" align="center"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">

<hr size="2" width="100%" align="center">

</span></font></div>

<p class="MsoNormal"><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"> <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a> [mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>]
<b><span style="font-weight: bold;">On Behalf Of </span></b>Michael Anstis<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, June 09, 2011 4:07
PM</span></font></p>

<div>

<div>

<p class="MsoNormal"><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"><br>
<b><span style="font-weight: bold;">To:</span></b> Rules
 Users List<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Drools
in non-eclipse environment</span></font></p>

</div>

</div>

</div>

<div>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Preparing to be
shouted down, but isn&#39;t it impossible to compile DRL on Android and the
suggestion is to load pre-serialised KnowledgeBases?<br>
<br>
Also, as another observation, are you sure the DRL was indeed found and the NPE
is not caused by
&quot;com.ts.DBconnector.readKnowledgeBase(DBconnector.java:143)&quot; perhaps
passing a null to KnowledgeBuilder?<br>
<br>
Have you looked at <a href="http://blog.athico.com/2011/03/jbpm5-lightweight-running-on-android.html" target="_blank">http://blog.athico.com/2011/03/jbpm5-lightweight-running-on-android.html</a>,
which might give some pointers - although it is only jBPM and not rules
themselves.<br>
<br>
With kind regards,<br>
<br>
Mike</span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">On 9 June 2011
11:11, Abhay B. Chaware &lt;<a href="mailto:Abhay.Chaware@kpitcummins.com" target="_blank">Abhay.Chaware@kpitcummins.com</a>&gt; wrote:</span></font></p>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">This is what I
did.<br>
<br>
               Properties properties =
new Properties();<br>
             
 properties.put(&quot;drools.dialect.java.compiler&quot;,
&quot;JANINO&quot;);<br>
             
 KnowledgeBuilderConfiguration kbConfig = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(
properties, (ClassLoader[]) null );<br>
               KnowledgeBuilder
kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(kbConfig);</span></font></p>

<div>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">   
         
 kbuilder.add(ResourceFactory.newInputStreamResource(is),
ResourceType.DRL);</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">I am getting same
error with KnowledgeBuilderConfiguration ..<br>
<br>
W/System.err(27303): java.lang.NullPointerException<br>
W/System.err(27303):    at
org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:47)<br>
W/System.err(27303):    at
org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1161)<br>
W/System.err(27303):    at
org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:637)<br>
W/System.err(27303):    at
org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:267)<br>
W/System.err(27303):    at
org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:459)<br>
W/System.err(27303):    at
org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)<br>
W/System.err(27303):    at
com.ts.DBconnector.readKnowledgeBase(DBconnector.java:143)<br>
W/System.err(27303):    at
com.first.FirstActivity.onCreate(FirstActivity.java:64)<br>
W/System.err(27303):    at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)<br>
W/System.err(27303):    at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)<br>
W/System.err(27303):    at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)<br>
W/System.err(27303):    at android.app.ActivityThread.access$2300(ActivityThread.java:125)<br>
<br>
<br>
________________________________________<br>
From: <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>
[<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>]
On Behalf Of Wolfgang Laun [<a href="mailto:wolfgang.laun@gmail.com" target="_blank">wolfgang.laun@gmail.com</a>]<br>
Sent: Thursday, June 09, 2011 2:46 PM</span></font></p>

<div>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">To: Rules Users List<br>
Subject: Re: [rules-users] Drools in non-eclipse environment</span></font></p>

</div>

<div>

<p class="MsoNormal" style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">You might try
this:<br>
<br>
    Properties props = new Properties();<br>
    props.put( &quot;drools.dialect.java.compiler&quot;,
&quot;JANINO&quot; );<br>
<br>
   KnowledgeBuilderConfiguration kbConfig =<br>
     
 KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration( props, (ClassLoader[])
null );<br>
<br>
Requires the janino jar in your classpath, which I have as<br>
  ~/.m2/repository/janino/janino/2.5.15/janino-2.5.15.jar<br>
<br>
-W</span></font></p>

</div>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">On 9 June 2011
10:29, Abhay B. Chaware &lt;<a href="mailto:Abhay.Chaware@kpitcummins.com" target="_blank">Abhay.Chaware@kpitcummins.com</a>&lt;mailto:<a href="mailto:Abhay.Chaware@kpitcummins.com" target="_blank">Abhay.Chaware@kpitcummins.com</a>&gt;&gt;
wrote:<br>
I am using drools 5.1.0<br>
<br>
Let me explain what I am trying to do.  I am trying to write a drools app
on to android platform.  In my app, I have added following jars in the
application classpath -<br>
<br>
antlr-runtime.jar<br>
drools-api.jar<br>
drools-compiler.jar<br>
drools-core.jar<br>
mvel2.jar<br>
<br>
Do I need any other jar files ?<br>
<br>
upon drilling down into the Null Pointer Exception, it appears that it is
throwing NPE at following line inside RuleBuilder.java<br>
<br>
<br>
  RuleConditionBuilder builder =
(RuleConditionBuilder)context.getDialect().getBuilder(ruleDescr.getLhs().getClass());<br>
<br>
and on further drilling, I found that &quot;context.getDialect()&quot; is
retuning NULL.<br>
<br>
Then I put some debug inside PackageBuilder.java<br>
<br>
upon drilling down for the error, found out that it is not able to set the
context&#39;s dialect.<br>
ctr.getDialect(pkgRegistry.getDialect()) gives &quot;null&quot; ...<br>
<br>
DialectCompiletimeRegistry ctr = pkgRegistry.getDialectCompiletimeRegistry();<br>
RuleBuildContext context = new RuleBuildContext(this, ruleDescr, ctr, pkg,
ctr.getDialect(pkgRegistry.getDialect()));<br>
<br>
Is there any default setting /configuration that I am obviously missing ?<br>
<br>
what could be the problem ?<br>
<br>
-abhay<br>
<br>
<br>
________________________________________</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">From: <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&lt;mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&gt;
[<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&lt;mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&gt;]
On Behalf Of Swindells, Thomas [<a href="mailto:TSwindells@nds.com" target="_blank">TSwindells@nds.com</a>&lt;mailto:<a href="mailto:TSwindells@nds.com" target="_blank">TSwindells@nds.com</a>&gt;]</span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Sent: Thursday,
June 09, 2011 1:40 PM<br>
To: Rules Users List<br>
Subject: Re: [rules-users] Drools in non-eclipse environment<br>
<br>
Which version of drools is this?<br>
For drools 5.0.1 we just use maven to resolve the dependencies for us and it
works fine. I can&#39;t obviously see any eclipse compiler in the jars that we
distribute with our application.<br>
<br>
Thomas<br>
<br>
&gt; -----Original Message-----</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&gt; From: <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&lt;mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>&gt;
[mailto:<a href="mailto:rules-users-" target="_blank">rules-users-</a>&lt;mailto:<a href="mailto:rules-users-" target="_blank">rules-users-</a>&gt;<br>
&gt; <a href="mailto:bounces@lists.jboss.org" target="_blank">bounces@lists.jboss.org</a>&lt;mailto:<a href="mailto:bounces@lists.jboss.org" target="_blank">bounces@lists.jboss.org</a>&gt;]
On Behalf Of Abhay B. Chaware</span></font></p>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&gt; Sent: 09 June
2011 08:06</span></font></p>

</div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&gt; To: <a href="mailto:rules-users@lists.jboss.org" target="_blank">rules-users@lists.jboss.org</a>&lt;mailto:<a href="mailto:rules-users@lists.jboss.org" target="_blank">rules-users@lists.jboss.org</a>&gt;</span></font></p>


<div>

<div>

<p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&gt; Subject:
[rules-users] Drools in non-eclipse environment<br>
&gt;<br>
&gt; Has anyone tried using drools in non-eclipse env ? meaning that<br>
&gt; org.eclipse.jdt.core_3.5.1.v_972_R35x.jar is not in the classpath ?<br>
&gt;<br>
&gt; Documentation says this :<br>
&gt;<br>
&gt; (<a href="http://docs.huihoo.com/drools/4.0.7/ch02s05.html" target="_blank">http://docs.huihoo.com/drools/4.0.7/ch02s05.html</a>)<br>
&gt;<br>
&gt; if you do not have Eclipse JDT Core in your classpath you must override
the<br>
&gt; compiler setting before you instantiate this PackageBuilder, you can
either<br>
&gt; do that with a packagebuilder properties file the ChainedProperties class
will<br>
&gt; find, or you can do it programmatically as shown below; note this time I
use<br>
&gt; properties to inject the value for startup.<br>
&gt;<br>
&gt; They also provide an example, but I am not able to figure out exactly how
to<br>
&gt; use this example/info.<br>
&gt;<br>
&gt; Here is my code :<br>
&gt;<br>
&gt;               KnowledgeBuilder kbuilder
=<br>
&gt; KnowledgeBuilderFactory.newKnowledgeBuilder();<br>
&gt;              
kbuilder.add(ResourceFactory.newInputStreamResource(is),<br>
&gt; ResourceType.DRL);<br>
&gt;<br>
&gt; where &quot;is&quot; is input stream containing the rule file ( .drl)<br>
&gt;<br>
&gt; How do I override the compiler setting ?<br>
&gt;<br>
&gt; I am getting a null pointer exception ( see below ) and I suspect that<br>
&gt; overriding the packagebuilderconfiguration will fix it ?<br>
&gt;<br>
&gt; W/System.err(25511): java.lang.NullPointerException<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:47)<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1161)<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:637)<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java<br>
&gt; :267)<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder<br>
&gt; .java:459)<br>
&gt; W/System.err(25511):    at<br>
&gt; org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.ja<br>
&gt; va:28)<br>
&gt; W/System.err(25511):    at<br>
&gt; com.ts.DBconnector.readKnowledgeBase(DBconnector.java:146)<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; rules-users mailing list</span></font></p>

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