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POJava database connectivity using weblogic server using type3 driver
 

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  1. POJava database connectivity using weblogic server using type3 driver
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    <p>Here i am doing the database connectivity using type3 driver using weblogic server and oracle database.</p> <p>I came across this error when i run my code</p> <pre><code>E:\abhishek\D drive\abhishek\advance\jdbc&gt;java Type3oracle Exception in thread "main" java.sql.SQLException: getConnection, Exception = Une xpected Exception at weblogic.jdbc.rmi.RMIWrapperImpl.invocationExceptionHandler(RMIWrappe rImpl.java:102) at weblogic.jdbc.rmi.Driver.connect(Driver.java:182) at Type3oracle.main(Type3oracle.java:21) Caused by: weblogic.rmi.extensions.RemoteRuntimeException: Unexpected Exception at weblogic.jdbc.common.internal.RmiDataSource_1030_WLStub.getConnection (Unknown Source) at weblogic.jdbc.rmi.Driver.connect(Driver.java:168) ... 1 more Caused by: java.rmi.UnmarshalException: Could not unmarshal method ID; nested ex ception is: java.rmi.UnmarshalException: Method not found: 'createQueryObject(Ljava. lang.Class&lt;LT;&gt;;)' at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:234) at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef .java:348) at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef .java:259) ... 3 more Caused by: java.rmi.UnmarshalException: Method not found: 'createQueryObject(Lja va.lang.Class&lt;LT;&gt;;)' at weblogic.rmi.internal.MethodDescriptor.getCanonical(MethodDescriptor. java:197) at weblogic.rjvm.MsgAbbrevInputStream.getRuntimeMethodDescriptor(MsgAbbr evInputStream.java:495) at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:269 ) at weblogic.rmi.cluster.ClusterableServerRef.dispatch(ClusterableServerR ef.java:242) at weblogic.rjvm.RJVMImpl.dispatchRequest(RJVMImpl.java:1135) at weblogic.rjvm.RJVMImpl.dispatch(RJVMImpl.java:1017) at weblogic.rjvm.ConnectionManagerServer.handleRJVM(ConnectionManagerSer ver.java:240) at weblogic.rjvm.ConnectionManager.dispatch(ConnectionManager.java:882) at weblogic.rjvm.MsgAbbrevJVMConnection.dispatch(MsgAbbrevJVMConnection. java:453) at weblogic.rjvm.t3.MuxableSocketT3.dispatch(MuxableSocketT3.java:322) at weblogic.socket.AbstractMuxableSocket.dispatch(AbstractMuxableSocket. java:394) at weblogic.socket.NTSocketMuxer.processSockets(NTSocketMuxer.java:105) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:29) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java: 42) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:145) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:117) </code></pre> <p>Here is my code</p> <pre><code>import java.sql.*; import java.util.*; //weblogic.jar must be in the classpath and datasource with the specified name must be created and deployed and application server must be running //type 3 driver class Type3oracle { public static void main(String args[])throws Exception { Driver mydriver=(Driver)Class.forName("weblogic.jdbc.rmi.Driver").newInstance(); String url= "jdbc:weblogic:rmi"; Properties props =new Properties(); props.put("weblogic.server.url","t3://localhost:7001"); props.put("weblogic.jdbc.datasource","type3oracle"); //type3oracle is jndi name Connection con= mydriver.connect(url,props); Statement stmt = con.createStatement(); ResultSet rset=stmt.executeQuery("select * from student1"); while(rset.next()) { System.out.println(rset.getString(1)); } } } </code></pre> <p>please help me i want to run this program to connect to my table which is present in the database xe.</p>
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    1. This table or related slice is empty.
    1. USAbhishek Kumar
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    1. This table or related slice is empty.
    1. COProbably something wrong with your classpath. Have you looked here? http://stackoverflow.com/questions/1946841/getting-java-rmi-unmarshalexception-unrecognized-method-hash-method-not-suppor
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    2. CO@better_use_mkstemp i have put the classpath right the code is compiled successfully but the problem occurs when i run the program i have put the weblogic.jar in classpath
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