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POjava.lang.ClassCastException: com.mchange.v2.c3p0.impl.NewProxyConnection
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copied!<p>i am getting the following </p> <pre><code>java.lang.ClassCastException: com.mchange.v2.c3p0.impl.NewProxyConnection </code></pre> <p>when the following code executes. could you please help me how to solve.</p> <pre><code> ComboPooledDataSource connPool = new ComboPooledDataSource(); connPool .setJdbcUrl(PropertyReader.getSystemProperty(DB_URL)); connPool .setUser(PropertyReader.getSystemProperty(DB_USER)); connPool .setPassword(Decryption.getDecryptedPwd(DB_PASSWORD)); connPool .setMaxPoolSize(MAX_POOL_SIZE); connPool .setMaxIdleTime(MAX_IDLE_TIME); connPool .setMinPoolSize(MIN_POOL_SIZE); connPool .setMaxAdministrativeTaskTime(15); java.sql.Connection conn = connPool.getConnection(); oracle.sql.CLOB c = CLOB.createTemporary(conn, false, CLOB.DURATION_SESSION); Writer writer = c.setCharacterStream(0L); writer.write(String.valueOf(pNoListDelimited).toCharArray()); writer.flush(); writer.close(); </code></pre> <p>Exception stack trace </p> <pre><code> java.lang.ClassCastException: com.mchange.v2.c3p0.impl.NewProxyConnection at oracle.sql.CLOB.createTemporary(CLOB.java:676) at oracle.sql.CLOB.createTemporary(CLOB.java:640) …… ….. at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269) at java.util.concurrent.FutureTask.run(FutureTask.java:123) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676) at java.lang.Thread.run(Thread.java:595) </code></pre>

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