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Date: Tue, 26 Nov 2013 16:55:30 +0530
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Subject: Unable to load dependent classes of a trigger
From: J Ramesh Kumar <rameshj1977@gmail.com>
To: user@cassandra.apache.org
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Hi,

I wrote a trigger and it will call internally some other classes. I added
all the dependent classes into a jar and put it into the "*conf/tiggers*".
But cassandra does not load the dependent classes which available in the
jar. How can Solve this issue ?

Thanks,
Ramesh

Traces which found in the cassandra log
----------------------------------------------------
DEBUG [Thrift:1] 2013-11-26 16:44:05,509 CustomClassLoader.java (line 115)
Class not found using parent class loader,
java.lang.ClassNotFoundException:
com.zoho.predict.trigger.AATriggersThreadLocal
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    at
org.apache.cassandra.triggers.CustomClassLoader.loadClassInternal(CustomClassLoader.java:111)
    at
org.apache.cassandra.triggers.CustomClassLoader.loadClass(CustomClassLoader.java:103)
    at
com.zoho.predict.trigger.ArchiveTrigger.getString(ArchiveTrigger.java:68)
    at
com.zoho.predict.trigger.ArchiveTrigger.augment(ArchiveTrigger.java:49)
    at
org.apache.cassandra.triggers.TriggerExecutor.execute(TriggerExecutor.java:123)
    at
org.apache.cassandra.triggers.TriggerExecutor.execute(TriggerExecutor.java:73)
    at
org.apache.cassandra.service.StorageProxy.mutateWithTriggers(StorageProxy.java:547)
    at
org.apache.cassandra.cql3.statements.ModificationStatement.executeWithoutCondition(ModificationStatement.java:379)
    at
org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:363)
    at
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:101)
    at
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:117)
    at
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:108)
    at
org.apache.cassandra.thrift.CassandraServer.execute_cql3_query(CassandraServer.java:1933)
    at
org.apache.cassandra.thrift.Cassandra$Processor$execute_cql3_query.getResult(Cassandra.java:4394)
    at
org.apache.cassandra.thrift.Cassandra$Processor$execute_cql3_query.getResult(Cassandra.java:4378)
    at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
    at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
    at
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:194)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

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<div dir=3D"ltr"><div id=3D"zmPre31560000027460027" class=3D"" style=3D"ove=
rflow:auto;height:580px;width:875px"><div id=3D"content31560000027460027" s=
tyle=3D"overflow:auto;height:578px"><div id=3D"bcnt31560000027460027" style=
=3D"padding:10px;outline:0px none" tabindex=3D"0" class=3D"">
<div><div style=3D"font-size:10pt">Hi,<br><br>I
 wrote a trigger and it will call internally some other classes. I added
 all the dependent classes into a jar and put it into the &quot;<b>conf/tig=
gers</b>&quot;. But cassandra does not load the dependent classes which ava=
ilable in the jar. How can Solve this issue ?<br><br>Thanks,<br>Ramesh<br>
<br>Traces which found in the cassandra log <br>---------------------------=
-------------------------<br>DEBUG [Thrift:1] 2013-11-26 16:44:05,509 Custo=
mClassLoader.java (line 115) Class not found using parent class loader,<br>
java.lang.ClassNotFoundException: com.zoho.predict.trigger.AATriggersThread=
Local<br>=A0=A0=A0 at java.net.URLClassLoader$1.run(URLClassLoader.java:366=
)<br>=A0=A0=A0 at java.net.URLClassLoader$1.run(URLClassLoader.java:355)<br=
>=A0=A0=A0 at java.security.AccessController.doPrivileged(Native Method)<br=
>
=A0=A0=A0 at java.net.URLClassLoader.findClass(URLClassLoader.java:354)<br>=
=A0=A0=A0 at java.lang.ClassLoader.loadClass(ClassLoader.java:425)<br>=A0=
=A0=A0 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)<br>=
=A0=A0=A0 at java.lang.ClassLoader.loadClass(ClassLoader.java:358)<br>
=A0=A0=A0 at org.apache.cassandra.triggers.CustomClassLoader.loadClassInter=
nal(CustomClassLoader.java:111)<br>=A0=A0=A0 at org.apache.cassandra.trigge=
rs.CustomClassLoader.loadClass(CustomClassLoader.java:103)<br>=A0=A0=A0 at =
com.zoho.predict.trigger.ArchiveTrigger.getString(ArchiveTrigger.java:68)<b=
r>
=A0=A0=A0 at com.zoho.predict.trigger.ArchiveTrigger.augment(ArchiveTrigger=
.java:49)<br>=A0=A0=A0 at org.apache.cassandra.triggers.TriggerExecutor.exe=
cute(TriggerExecutor.java:123)<br>=A0=A0=A0 at org.apache.cassandra.trigger=
s.TriggerExecutor.execute(TriggerExecutor.java:73)<br>
=A0=A0=A0 at org.apache.cassandra.service.StorageProxy.mutateWithTriggers(S=
torageProxy.java:547)<br>=A0=A0=A0 at org.apache.cassandra.cql3.statements.=
ModificationStatement.executeWithoutCondition(ModificationStatement.java:37=
9)<br>=A0=A0=A0 at org.apache.cassandra.cql3.statements.ModificationStateme=
nt.execute(ModificationStatement.java:363)<br>
=A0=A0=A0 at org.apache.cassandra.cql3.QueryProcessor.processStatement(Quer=
yProcessor.java:101)<br>=A0=A0=A0 at org.apache.cassandra.cql3.QueryProcess=
or.process(QueryProcessor.java:117)<br>=A0=A0=A0 at org.apache.cassandra.cq=
l3.QueryProcessor.process(QueryProcessor.java:108)<br>
=A0=A0=A0 at org.apache.cassandra.thrift.CassandraServer.execute_cql3_query=
(CassandraServer.java:1933)<br>=A0=A0=A0 at org.apache.cassandra.thrift.Cas=
sandra$Processor$execute_cql3_query.getResult(Cassandra.java:4394)<br>=A0=
=A0=A0 at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql3_quer=
y.getResult(Cassandra.java:4378)<br>
=A0=A0=A0 at org.apache.thrift.ProcessFunction.process(ProcessFunction.java=
:39)<br>=A0=A0=A0 at org.apache.thrift.TBaseProcessor.process(TBaseProcesso=
r.java:39)<br>=A0=A0=A0 at org.apache.cassandra.thrift.CustomTThreadPoolSer=
ver$WorkerProcess.run(CustomTThreadPoolServer.java:194)<br>
=A0=A0=A0 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolEx=
ecutor.java:1145)<br>=A0=A0=A0 at java.util.concurrent.ThreadPoolExecutor$W=
orker.run(ThreadPoolExecutor.java:615)<br>=A0=A0=A0 at java.lang.Thread.run=
(Thread.java:744)<br>
<br></div></div></div></div></div>
<div id=3D"postload" style=3D"height:0px;overflow:hidden">
</div></div>

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