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1. Re: MongoDB - null unhandled exception
rareddy Jun 18, 2013 11:24 AM (in response to pinkstondevin)Devin,
try dropping "EMBEDDABLE" property when using only single table
<model name="mongoClean"> <source name="local" translator-name="mongodb" connection-jndi-name="java:/mongoDS"/> <metadata type="DDL"><![CDATA[ CREATE FOREIGN TABLE MongoCleaning ( nyOne varchar(40), nyTwo varchar(40), nyThree varchar(40), nyFour varchar(40) ) OPTIONS(UPDATABLE 'TRUE'); ]]> </metadata> </model>
then try to do insert like
INSERT INTO MongoCleaning (nyOne, nyTwo, nyThree, nyFour) VALUES ('one', 'two', 'three', 'four');
if you have data already in another database, you can write a "SELECT INFO" and pump data into MongoDB.
now you can do
SELECT * FROM MongoCleaning
Thanks.
Ramesh..
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2. Re: MongoDB - null unhandled exception
pinkstondevin Jun 24, 2013 7:54 AM (in response to rareddy)Ramesh,
I dropped the embeddable property on my Model, it's now identical to your example above. My resource-adapter is identical to the sample provided in the translator documentation, I just changed the IP/port. I can see a connection being made by Teiid to Mongo DB (I am monitoring it when i submit a query), however I return a NullPointerException when I try to INSERT INTO like you have posted above.
This is from the server:
07:49:21,523 ERROR [org.teiid.CONNECTOR] (Worker5_QueryProcessorQueue20) XtoBNMeJSoWR Connector worker process failed for atomic-request=XtoBNMeJSoWR.0.0.4: java.lang.NullPointerException
at org.teiid.translator.mongodb.MongoDBSelectVisitor.isPartOfPrimaryKey(MongoDBSelectVisitor.java:780)
at org.teiid.translator.mongodb.MongoDBUpdateVisitor.getInsert(MongoDBUpdateVisitor.java:154)
at org.teiid.translator.mongodb.MongoDBUpdateExecution.execute(MongoDBUpdateExecution.java:109)
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:287) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:254) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:446) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:159) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:156) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [rt.jar:1.6.0_43]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [rt.jar:1.6.0_43]
at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [rt.jar:1.6.0_43]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [rt.jar:1.6.0_43]
at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_43]
07:49:21,528 ERROR [org.teiid.PROCESSOR] (Worker4_QueryProcessorQueue21) XtoBNMeJSoWR TEIID30019 Unexpected exception for request XtoBNMeJSoWR.0: java.lang.NullPointerException
at org.teiid.translator.mongodb.MongoDBSelectVisitor.isPartOfPrimaryKey(MongoDBSelectVisitor.java:780)
at org.teiid.translator.mongodb.MongoDBUpdateVisitor.getInsert(MongoDBUpdateVisitor.java:154)
at org.teiid.translator.mongodb.MongoDBUpdateExecution.execute(MongoDBUpdateExecution.java:109)
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:287) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:254) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:446) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:159) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:156) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [rt.jar:1.6.0_43]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [rt.jar:1.6.0_43]
at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214) [teiid-engine-8.4.0.Final.jar:8.4.0.Final]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [rt.jar:1.6.0_43]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [rt.jar:1.6.0_43]
at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_43]
This is from my JDBC client:
org.teiid.jdbc.TeiidSQLException: org.teiid.core.TeiidException
at org.teiid.jdbc.TeiidSQLException.create(TeiidSQLException.java:135)
at org.teiid.jdbc.TeiidSQLException.create(TeiidSQLException.java:71)
at org.teiid.jdbc.StatementImpl.postReceiveResults(StatementImpl.java:667)
at org.teiid.jdbc.StatementImpl.access$100(StatementImpl.java:63)
at org.teiid.jdbc.StatementImpl$2.onCompletion(StatementImpl.java:516)
at org.teiid.client.util.ResultsFuture.done(ResultsFuture.java:130)
at org.teiid.client.util.ResultsFuture.access$200(ResultsFuture.java:37)
at org.teiid.client.util.ResultsFuture$1.receiveResults(ResultsFuture.java:75)
at org.teiid.net.socket.SocketServerInstanceImpl.receivedMessage(SocketServerInstanceImpl.java:235)
at org.teiid.net.socket.SocketServerInstanceImpl.read(SocketServerInstanceImpl.java:271)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.teiid.net.socket.SocketServerConnectionFactory$ShutdownHandler.invoke(SocketServerConnectionFactory.java:102)
at sun.proxy.$Proxy1.read(Unknown Source)
at org.teiid.net.socket.SocketServerInstanceImpl$RemoteInvocationHandler$1.get(SocketServerInstanceImpl.java:370)
at org.teiid.jdbc.StatementImpl.executeSql(StatementImpl.java:525)
at org.teiid.jdbc.StatementImpl.execute(StatementImpl.java:1030)
at org.teiid.jdbc.StatementImpl.execute(StatementImpl.java:312)
at DataAccess.main(DataAccess.java:32)
Caused by: org.teiid.core.TeiidException
at org.teiid.client.ResultsMessage.setException(ResultsMessage.java:202)
at org.teiid.dqp.internal.process.RequestWorkItem.sendError(RequestWorkItem.java:955)
at org.teiid.dqp.internal.process.RequestWorkItem.close(RequestWorkItem.java:543)
at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:346)
at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51)
at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:248)
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269)
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.teiid.translator.mongodb.MongoDBSelectVisitor.isPartOfPrimaryKey(MongoDBSelectVisitor.java:780)
at org.teiid.translator.mongodb.MongoDBUpdateVisitor.getInsert(MongoDBUpdateVisitor.java:154)
at org.teiid.translator.mongodb.MongoDBUpdateExecution.execute(MongoDBUpdateExecution.java:109)
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:287)
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:254)
at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:446)
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:159)
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:156)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58)
... 6 more
Do I require a primary key?
Thanks!
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3. Re: MongoDB - null unhandled exception
rareddy Jun 24, 2013 11:08 AM (in response to pinkstondevin)Devin,
That was bug, I fixed later in code base after 8.4 final. You do not really need PK for Mongo, but in this case if you define a PK even though it is bogus one it will get you out that bug.
Let me know if that works.
Ramesh..