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| NoClassDefFoundError:OracleDriver error from JavaComputeNode |
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Message
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| Vakku |
 Posted: Mon Jul 17, 2017 4:51 pm Post subject: NoClassDefFoundError:OracleDriver error from JavaComputeNode |
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Novice
Joined: 13 Oct 2008
Posts: 20
Location: California
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Hello,
I'm getting error "java.lang.NoClassDefFoundError: oracle.jdbc.OracleDriver" in JCN, when initializing the JDBC Driver.
I'm using JCN instead of regular compute node because, the StoredProcedure is having Table type objects as output/input parameters.
Have a messageflow calling the Java project referred in JCN; java is used to make connections to DB, execute a Stored procedure.
As set-up, downloaded the latest ojdbc6.jar and added as external jar reference to the java project.
It is compiling and getting deployed to brokers; but giving error at runtime at the statement "DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());".
Database is Oracle 11G and I'm using the IIB 10. Is there anything which I'm missing here? I feel many would have get into this error, but my search in mqseries doesn't return anything specific for jdbc Driver error.
Code snippet is
| Code: |
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class RIS_DC_RECEIPTS_CallStoredProcedure extends MbJavaComputeNode {
public void evaluate(MbMessageAssembly contact admin) throws MbException {
MbOutputTerminal out = getOutputTerminal("out");
MbOutputTerminal alt = getOutputTerminal("alternate");
MbMessage inMessage = contact admin.getMessage();
MbMessageAssembly outAssembly = null;
Connection connection = null;
CallableStatement callableStatement = null;
DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
connection = DriverManager.getConnection(url,userID,pwd); |
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| Vakku |
| Posted: Wed Jul 19, 2017 8:14 am Post subject: NoClassDefFoundError:OracleDriver error from JavaComputeNode |
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Novice
Joined: 13 Oct 2008
Posts: 20
Location: California
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| Could anyone please provide me some pointers on this issue? |
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| mqjeff |
| Posted: Wed Jul 19, 2017 8:28 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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classDefNotFound almost always means "the jar file is not found by the classloader".
_________________
chmod -R ugo-wx / |
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