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From "Morris, Sean [MV]" <smor...@mvhigh.net>
Subject NullPointer Exception in save()
Date Fri, 11 Apr 2003 00:08:26 GMT
I have the exact same problem as the previous post.  My stacktrace yields the same information
but here is the log error:
 
ERROR - BasePeer.MapBuilder failed trying to instantiate: torque.map.AccountObjMapBuilder
java.lang.InstantiationException: Unknown JDBC driver: com.mysql.jdbc.Driver: Check your configuration
file
 at org.apache.torque.adapter.DBFactory.create(DBFactory.java:161)
 at org.apache.torque.Torque.initDatabaseMap(Torque.java:792)
 at org.apache.torque.Torque.getDatabaseMap(Torque.java:761)
 at torque.map.AccountObjMapBuilder.doBuild(AccountObjMapBuilder.java:64)
 at org.apache.torque.util.BasePeer.getMapBuilder(BasePeer.java:2061)
 at torque.BaseAccountObjPeer.getMapBuilder(BaseAccountObjPeer.java:56)
 at torque.BaseAccountObj.save(BaseAccountObj.java:892)
 at torque.AccountObjTest.testSave(AccountObjTest.java:31)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:324)
 at junit.framework.TestCase.runTest(TestCase.java:154)
 at junit.framework.TestCase.runBare(TestCase.java:127)
 at junit.framework.TestResult$1.protect(TestResult.java:106)
 at junit.framework.TestResult.runProtected(TestResult.java:124)
 at junit.framework.TestResult.run(TestResult.java:109)
 at junit.framework.TestCase.run(TestCase.java:118)
 at junit.framework.TestSuite.runTest(TestSuite.java:208)
 at junit.framework.TestSuite.run(TestSuite.java:203)
 at junit.textui.TestRunner.doRun(TestRunner.java:116)
 at junit.textui.TestRunner.start(TestRunner.java:172)
 at junit.textui.TestRunner.main(TestRunner.java:138)
rethrown as 
org.apache.torque.TorqueException: Unknown JDBC driver: com.mysql.jdbc.Driver: Check your
configuration file
 at org.apache.torque.Torque.initDatabaseMap(Torque.java:802)
 at org.apache.torque.Torque.getDatabaseMap(Torque.java:761)
 at torque.map.AccountObjMapBuilder.doBuild(AccountObjMapBuilder.java:64)
 at org.apache.torque.util.BasePeer.getMapBuilder(BasePeer.java:2061)
 at torque.BaseAccountObjPeer.getMapBuilder(BaseAccountObjPeer.java:56)
 at torque.BaseAccountObj.save(BaseAccountObj.java:892)
 at torque.AccountObjTest.testSave(AccountObjTest.java:31)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:324)
 at junit.framework.TestCase.runTest(TestCase.java:154)
 at junit.framework.TestCase.runBare(TestCase.java:127)
 at junit.framework.TestResult$1.protect(TestResult.java:106)
 at junit.framework.TestResult.runProtected(TestResult.java:124)
 at junit.framework.TestResult.run(TestResult.java:109)
 at junit.framework.TestCase.run(TestCase.java:118)
 at junit.framework.TestSuite.runTest(TestSuite.java:208)
 at junit.framework.TestSuite.run(TestSuite.java:203)
 at junit.textui.TestRunner.doRun(TestRunner.java:116)
 at junit.textui.TestRunner.start(TestRunner.java:172)
 at junit.textui.TestRunner.main(TestRunner.java:138)
Caused by: java.lang.InstantiationException: Unknown JDBC driver: com.mysql.jdbc.Driver: Check
your configuration file
 at org.apache.torque.adapter.DBFactory.create(DBFactory.java:161)
 at org.apache.torque.Torque.initDatabaseMap(Torque.java:792)
 ... 21 more
DEBUG - IDBroker thread was started.

Any ideas on why jdbc Driver might be wrong?  I use this driver daily without problems.  I
am using MySQL with the com.mysql.jdbc.Driver 3.0.
 
Thanks,
 
Sean
 
 
 
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